/* static/css/main.css */

:root {
    /* Colors — Primary */
    --color-dark: #1A1A1A;
    --color-dark-hover: #3A3A3A;
    --color-cream: #FAF8F5;
    --color-warm-gray: #5A554A;
    --color-warm-gray-mid: #5A554A;
    --color-warm-bg: #E8E3DB;
    --color-border: #D9D4C9;
    --color-white: #FFFFFF;
    --color-light-gray: #E0E0E0;
    --color-link: #1F65B7;

    /* Colors — Alpha variants of dark */
    --color-dark-90: rgba(26, 26, 26, 0.90);
    --color-dark-94: rgba(26, 26, 26, 0.94);
    --color-dark-95: rgba(26, 26, 26, 0.95);
    --color-dark-85: rgba(26, 26, 26, 0.85);
    --color-dark-80: rgba(26, 26, 26, 0.80);

    /* Font stacks */
    --font-serif: 'EB Garamond', 'Georgia', 'Times New Roman', serif;
    --font-serif-short: 'EB Garamond', serif;
    --font-system: -apple-system, BlinkMacSystemFont, 'Helvetica Neue', 'Arial', sans-serif;
    --font-body: 'Inter', 'Google Sans', sans-serif;

    /* Transitions */
    --ease-default: 0.3s ease;
    --ease-fast: 0.2s ease;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.25);

    /* Letter spacing */
    --tracking-tight: 0.03em;
    --tracking-normal: 0.06em;
    --tracking-wide: 0.08em;
    --tracking-wider: 0.1em;
    --tracking-widest: 0.12em;
}

html {
    width: 100%;
    height: 100%;
    overflow: hidden; 
}

body {
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    overflow: hidden;
    position: fixed; 
    top: 0;
    left: 0;
    background-color: #f0f0f0;
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

* {
    -webkit-tap-highlight-color: transparent;
}



canvas {
    display: block; 
    width: 100%; 
    height: 100%;
}

/* Title Overlay Styles - Loading Screen */
#title-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-warm-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: opacity 0.5s ease-out, visibility 0.5s ease-out;
}

#title-overlay.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 30px;
}

.museum-title {
    font-family: var(--font-serif);
    font-size: 2.5rem;
    color: var(--color-dark);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    font-weight: 500;
    margin: 0;
    line-height: 1.2;
    text-align: center;
}

.landing-subtitle {
    font-family: var(--font-system);
    font-size: 16px;
    color: var(--color-warm-gray-mid);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    text-align: center;
    margin: 4px 0 0 0;
}

.catalogue-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--color-dark);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    font-weight: 500;
    margin: 0;
    line-height: 1.2;
    text-align: left;
}

.artifacts-preview {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.preview-artifact {
    position: absolute;
    width: clamp(200px, 22vw, 400px);
    height: clamp(140px, 22vh, 300px);
    object-fit: contain;
    transition: all 0.5s ease;
    pointer-events: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.preview-artifact:nth-child(1) {
    top: 10%;
    left: clamp(3%, 5vw, 10%);
}

.preview-artifact:nth-child(2) {
    top: 10%;
    right: clamp(3%, 5vw, 10%);
}

.preview-artifact:nth-child(3) {
    bottom: 10%;
    left: clamp(3%, 5vw, 10%);
}

.preview-artifact:nth-child(4) {
    bottom: 10%;
    right: clamp(3%, 5vw, 10%);
}

.preview-artifact:hover {
    transform: scale(1.05);
    filter: drop-shadow(0 8px 25px rgba(0, 0, 0, 0.15));
}

@media (hover: none) and (pointer: coarse) {
    .preview-artifact:hover {
        transform: none;
        filter: none;
    }
}

/* Responsive styles for loading screen */
@media (max-width: 768px) {
    .museum-title {
        font-size: 2.5rem;
    }

    .landing-subtitle {
        font-size: 12px;
    }

    .gac-logo {
        height: 0.9rem;
    }

    .catalogue-title {
        font-size: 1.3rem;
    }

    .preview-artifact {
        width: 200px;
        height: 140px;
    }

    .preview-artifact:nth-child(1) {
        top: 15%;
        left: 5%;
    }

    .preview-artifact:nth-child(2) {
        top: 15%;
        right: 5%;
    }

    .preview-artifact:nth-child(3) {
        bottom: 15%;
        left: 5%;
    }

    .preview-artifact:nth-child(4) {
        bottom: 15%;
        right: 5%;
    }
}

@media (max-width: 480px) {
    .museum-title {
        font-size: 2.2rem;
    }

    .catalogue-title {
        font-size: 1.1rem;
    }

    .preview-artifact {
        width: 160px;
        height: 110px;
    }

    .preview-artifact:nth-child(1) {
        top: 16%;
        left: 5%;
    }

    .preview-artifact:nth-child(2) {
        top: 16%;
        right: 5%;
    }

    .preview-artifact:nth-child(3) {
        bottom: 16%;
        left: 5%;
    }

    .preview-artifact:nth-child(4) {
        bottom: 16%;
        right: 5%;
    }
}

@media (max-height: 414px) and (orientation: landscape) {
    .loading-container {
        gap: 16px;
    }

    .museum-title {
        font-size: 1.6rem;
    }

    .start-button {
        font-size: 0.9rem;
        padding: 10px 24px;
    }

    .loading-text {
        font-size: 1.2rem;
    }

    .preview-artifact {
        width: 120px;
        height: 90px;
    }

    .preview-artifact:nth-child(1) {
        top: 5%;
        left: 3%;
    }

    .preview-artifact:nth-child(2) {
        top: 5%;
        right: 3%;
    }

    .preview-artifact:nth-child(3) {
        bottom: 5%;
        left: 3%;
    }

    .preview-artifact:nth-child(4) {
        bottom: 5%;
        right: 3%;
    }

    .catalogue-header {
        padding: 15px 20px;
    }
}

.loading-text {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 1.6rem;
    color: var(--color-dark) !important;
    margin: 0;
    letter-spacing: var(--tracking-wide);
    text-align: center;
}

.loading-text.loaded {
    animation: fadeOutIn 0.5s ease-out forwards;
}

@keyframes fadeOutIn {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0;
    }
    100% {
        opacity: 1;
    }
}

.start-button {
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 1.2rem;
    background: transparent;
    color: var(--color-dark);
    border: none;
    border-radius: 0;
    padding: 16px 36px;
    cursor: pointer;
    transition: all var(--ease-default);
    text-transform: uppercase;
    letter-spacing: var(--tracking-widest);
    opacity: 0;
    display: none;
    position: relative;
}

.start-button::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 100%;
    height: 2px;
    background: var(--color-dark);
    transition: all var(--ease-default);
    transform: translateX(-50%);
}

.start-button:hover {
    color: var(--color-dark);
    transform: translateY(-2px);
}

.start-button:hover::after {
    background: #666666;
}

/* AI Interaction UI */
#ai-interaction-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: none;
    pointer-events: none;
    font-family: var(--font-serif-short);
}

#ai-speaking-indicator {
    position: absolute;
    bottom: 130px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-cream);
    color: var(--color-dark);
    padding: 12px 20px;
    border-radius: 24px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-serif-short);
    font-size: 15px;
    font-weight: 400;
    text-align: center;
    visibility: hidden;
    opacity: 0;
    transition: all 0.3s ease-in-out;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    line-height: 1.5;
    pointer-events: none;
    max-width: 85%;
}

.ai-speaking-label {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-dark);
    color: var(--color-cream);
    padding: 4px 12px;
    font-size: 10px;
    font-family: var(--font-system);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    font-weight: 600;
    border-radius: 10px;
    white-space: nowrap;
}

#ai-speaking-indicator.visible {
    visibility: visible;
    opacity: 1;
}

.sound-bars {
    display: flex;
    align-items: center;
    margin-right: 10px;
    height: 16px;
}

.sound-bars .bar {
    width: 3px;
    height: 100%;
    margin: 0 2px;
    background-color: var(--color-dark);
    animation: sound-wave 1.2s infinite ease-in-out;
}

.sound-bars .bar:nth-child(2) { animation-delay: -1.1s; }
.sound-bars .bar:nth-child(3) { animation-delay: -1.0s; }
.sound-bars .bar:nth-child(4) { animation-delay: -0.9s; }
.sound-bars .bar:nth-child(5) { animation-delay: -0.8s; }

@keyframes sound-wave {
    0%, 40%, 100% { transform: scaleY(0.1); }
    20% { transform: scaleY(1.0); }
}

#ai-controls {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    background: var(--color-dark-94);
    padding: 12px;
    border-radius: 40px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    pointer-events: auto;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.ai-control-button {
    position: relative;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--color-cream);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--ease-default);
    user-select: none;
    padding: 0;
}

.ai-control-button img {
    width: 20px;
    height: 20px;
}

@media (hover: hover) {
    .ai-control-button:hover {
        background: rgba(255, 255, 255, 0.2);
        border-color: rgba(255, 255, 255, 0.3);
        transform: translateY(-2px);
    }

    .ai-control-button.active:hover {
        background: rgba(255, 255, 255, 0.85) !important;
        border-color: rgba(255, 255, 255, 0.95) !important;
    }

    a.placard-partner-link:hover .placard-partner-name,
    a.placard-partner-link:focus .placard-partner-name {
        opacity: 0.6;
    }
}

/* Label styles for responsive icons */
.ai-control-button {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 5px;
    font-size: 0.8em;
    color: var(--color-cream);
    position: relative;
}

.ai-control-button img {
    margin-bottom: 3px;
    width: 20px;
    height: 20px;
}

.ai-control-button-label {
    display: block;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: var(--font-system);
    font-size: 8px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--tracking-tight);
}

/* Mobile/Tablet: vertical layout (icon on top, label below) */
#ai-controls .ai-control-button {
    flex-direction: column;
    padding: 6px 8px;
    border-radius: 12px;
    width: auto;
    height: auto;
    min-width: 48px;
    min-height: 48px;
    gap: 2px;
}

#ai-controls .ai-control-button img {
    margin-right: 0;
    margin-bottom: 2px;
    width: 18px;
    height: 18px;
}

/* Media queries for larger screens (tablets and desktops) */
@media (min-width: 768px) {
    .ai-control-button-label {
        font-size: 10px;
        letter-spacing: 0.05em;
    }

    #ai-controls .ai-control-button {
        flex-direction: row;
        padding: 8px 12px;
        border-radius: 24px;
        min-width: 44px;
        min-height: 44px;
        gap: 0;
    }

    #ai-controls .ai-control-button img {
        margin-right: 8px;
        margin-bottom: 0;
        width: 20px;
        height: 20px;
    }

    #ai-close-button .ai-control-button-label {
        font-size: 12px;
    }
}

.ai-control-button:focus {
    outline: none;
}

.ai-control-button:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.3);
}

.ai-control-button.new-message::after {
    content: '';
    position: absolute;
    top: 2px;
    right: 2px;
    width: 10px;
    height: 10px;
    background-color: #f44336; 
    border-radius: 50%;
    border: 2px solid var(--color-dark-94);
    box-shadow: 0 0 8px rgba(244, 67, 54, 0.8);
    animation: pulse-notification 1.5s infinite ease-in-out;
    z-index: 10;
}

@keyframes pulse-notification {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 8px rgba(244, 67, 54, 0.8);
    }
    50% {
        transform: scale(1.15);
        box-shadow: 0 0 12px rgba(244, 67, 54, 1);
    }
}

.ai-control-button.speaking-pulse {
    animation: speaking-pulse-glow 2s infinite ease-in-out;
}

@keyframes speaking-pulse-glow {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0);
        border-color: rgba(255, 255, 255, 0.15);
    }
    50% {
        box-shadow: 0 0 12px 2px rgba(255, 255, 255, 0.2);
        border-color: rgba(255, 255, 255, 0.4);
    }
}

#ai-transcript-panel {
    position: absolute;
    bottom: 200px;
    right: 20px;
    width: 350px;
    max-width: 90%;
    max-height: 60vh;
    background: var(--color-cream);
    color: var(--color-dark);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.08);
    opacity: 0;
    transform: translateY(10px);
    visibility: hidden;
    transition: all 0.3s ease-in-out;
    z-index: 2010;
    padding: 20px;
    box-sizing: border-box;
    font-family: var(--font-serif-short);
    display: flex;
    flex-direction: column;
    pointer-events: auto;
}

#ai-transcript-panel.visible {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

#transcript-content {
    flex-grow: 1;
    overflow-y: auto;
    padding-right: 10px;
}

#transcript-content h3 {
    margin-top: 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding-bottom: 10px;
    font-family: var(--font-system);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-warm-gray-mid);
}

.transcript-entry {
    margin-bottom: 15px;
}

.transcript-entry strong {
    color: var(--color-warm-gray-mid);
    display: block;
    margin-bottom: 5px;
    font-family: var(--font-system);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
}

.transcript-entry p {
    margin: 0;
    line-height: 1.7;
    font-size: 18px;
    font-family: var(--font-serif-short);
}

.transcript-entry.current {
    border-radius: 8px;
    border-left: 3px solid var(--color-dark);
    padding: 10px;
    margin-left: -10px;
    margin-right: -10px;
}


#ai-suggested-questions {
    position: absolute;
    bottom: 200px;
    right: 20px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
    width: 350px;
    max-width: 90%;
    padding: 20px;
    box-sizing: border-box;
    pointer-events: auto;
    z-index: 2005;
    background: var(--color-cream);
    border-radius: 16px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    border: 1px solid rgba(0, 0, 0, 0.08);
    opacity: 0;
    transform: translateY(10px);
    visibility: hidden;
    transition: all 0.3s ease-in-out;
    font-family: var(--font-serif-short);
}

#ai-suggested-questions.visible {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

.questions-close-button {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 32px;
    height: 32px;
    border: none;
    background: var(--color-dark);
    color: var(--color-cream);
    border-radius: 50%;
    font-size: 18px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.questions-close-button:hover {
    background: #333;
}

.suggested-question-button {
    background: rgba(255, 255, 255, 0.8);
    color: var(--color-dark);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 20px;
    padding: 12px 18px;
    font-family: var(--font-serif-short);
    font-size: 18px;
    cursor: pointer;
    width: 100%;
    text-align: left;
    transition: all var(--ease-default);
    line-height: 1.5;
}

.suggested-question-button:hover {
    background: var(--color-dark);
    border-color: var(--color-dark);
    color: var(--color-cream);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.suggested-question-button:focus {
    outline: none;
}

.suggested-question-button:focus-visible {
    outline: 2px solid var(--color-dark);
    outline-offset: 2px;
    background: var(--color-dark);
    border-color: var(--color-dark);
    color: var(--color-cream);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.suggested-question-button.mic-button {
    background-color: var(--color-dark);
    color: var(--color-cream);
    border-color: var(--color-dark);
    font-family: var(--font-system);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    font-size: 13px;
    padding: 14px 20px;
    text-align: center;
}

.suggested-question-button.mic-button:hover {
    background-color: var(--color-dark-hover);
    border-color: var(--color-dark-hover);
    color: var(--color-cream);
    transform: none;
}

.suggested-question-button.mic-button.listening {
    background-color: var(--color-dark-hover);
    color: var(--color-cream);
    border-color: var(--color-dark-hover);
    animation: pulse-mic 1.5s infinite;
}

@keyframes pulse-mic {
    0% {
        box-shadow: 0 0 0 0 rgba(26, 26, 26, 0.5);
    }
    70% {
        box-shadow: 0 0 0 10px rgba(26, 26, 26, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(26, 26, 26, 0);
    }
}

/* Voice Recording Modal */
.voice-recording-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.voice-recording-modal.visible {
    opacity: 1;
    visibility: visible;
}

.voice-modal-content {
    background: #2A2A2A;
    border-radius: 16px;
    padding: 32px 48px;
    min-width: 320px;
    max-width: 500px;
    text-align: center;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    transform: scale(0.9);
    transition: transform var(--ease-default);
}

.voice-recording-modal.visible .voice-modal-content {
    transform: scale(1);
}

.voice-modal-indicator {
    margin-bottom: 24px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.voice-sound-bars {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 50px;
}

.voice-bar {
    width: 6px;
    height: 20px;
    background: var(--color-cream);
    border-radius: 3px;
    animation: voice-bar-pulse 1s ease-in-out infinite;
}

.voice-bar:nth-child(1) { animation-delay: 0s; }
.voice-bar:nth-child(2) { animation-delay: 0.1s; }
.voice-bar:nth-child(3) { animation-delay: 0.2s; }
.voice-bar:nth-child(4) { animation-delay: 0.3s; }
.voice-bar:nth-child(5) { animation-delay: 0.4s; }

@keyframes voice-bar-pulse {
    0%, 100% {
        height: 20px;
        opacity: 0.6;
    }
    50% {
        height: 50px;
        opacity: 1;
    }
}

.voice-processing-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(250, 248, 245, 0.3);
    border-top-color: var(--color-cream);
    border-radius: 50%;
    animation: voice-spinner 0.8s linear infinite;
}

@keyframes voice-spinner {
    to {
        transform: rotate(360deg);
    }
}

.voice-error-icon {
    width: 50px;
    height: 50px;
    background: #D94F4F;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: bold;
    color: var(--color-cream);
}

.voice-modal-transcript {
    font-family: var(--font-system);
    font-size: 18px;
    line-height: 1.5;
    color: var(--color-cream);
    min-height: 54px;
    margin-bottom: 16px;
    padding: 0 8px;
    word-wrap: break-word;
}

.voice-modal-transcript.interim {
    color: rgba(250, 248, 245, 0.7);
}

.voice-modal-transcript:empty {
    min-height: 0;
    margin-bottom: 0;
}

.voice-modal-status {
    font-family: var(--font-system);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: rgba(250, 248, 245, 0.7);
    margin-bottom: 24px;
}

.voice-modal-content.error .voice-modal-status {
    color: #D94F4F;
}

.voice-modal-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.voice-modal-stop {
    background: var(--color-cream);
    border: none;
    color: var(--color-dark);
    padding: 14px 36px;
    border-radius: 28px;
    font-family: var(--font-system);
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    transition: all var(--ease-fast);
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.voice-modal-stop .stop-icon {
    width: 12px;
    height: 12px;
    background: var(--color-dark);
    border-radius: 2px;
}

.voice-modal-stop:hover {
    background: var(--color-white);
    transform: scale(1.02);
}

.voice-modal-stop:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(250, 248, 245, 0.5);
}

.voice-modal-stop:active {
    transform: scale(0.98);
}

.voice-modal-cancel {
    background: transparent;
    border: 1px solid rgba(250, 248, 245, 0.4);
    color: var(--color-cream);
    padding: 12px 32px;
    border-radius: 24px;
    font-family: var(--font-system);
    font-size: 14px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    transition: all var(--ease-fast);
}

.voice-modal-cancel:hover {
    background: rgba(250, 248, 245, 0.1);
    border-color: rgba(250, 248, 245, 0.6);
}

.voice-modal-cancel:focus {
    outline: none;
    box-shadow: 0 0 0 2px rgba(250, 248, 245, 0.4);
}

.suggested-question-button.mic-button .mic-icon {
    margin-right: 6px;
}

#audio-toggle,
#music-toggle,
#share-button,
#search-button {
    position: fixed;
    top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    cursor: pointer;
    user-select: none;
    z-index: 5001;
    background: rgba(245, 240, 232, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 50%;
    padding: 4px;
    box-sizing: border-box;
    transition: all var(--ease-default);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

#audio-toggle { right: 72px; }
#music-toggle { right: 128px; }
#share-button { right: 184px; }
#search-button {
    right: 296px;
    display: none;
    background: var(--color-dark-94);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-lg);
    transition: none;
}
#search-button.search-active { display: flex !important; }

#audio-toggle:hover,
#music-toggle:hover,
#share-button:hover {
    background: #E8E3DA;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

#search-button:hover {
    background: rgba(40, 40, 40, 0.95);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

#audio-toggle:focus,
#music-toggle:focus,
#share-button:focus,
#search-button:focus {
    outline: none;
}

#audio-toggle:focus-visible,
#music-toggle:focus-visible,
#share-button:focus-visible {
    outline: 2px solid var(--color-dark);
    outline-offset: 2px;
    background: #E8E3DA;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

#search-button:focus-visible {
    outline: 2px solid var(--color-cream);
    outline-offset: 2px;
    background: rgba(40, 40, 40, 0.95);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

#audio-toggle img,
#music-toggle img,
#share-button img,
#search-button img {
    width: 28px;
    height: 28px;
}

/* Zoom Indicator Styles */
.zoom-indicator {
    position: fixed;
    top: 72px;
    right: 20px;
    background: var(--color-cream);
    color: var(--color-dark);
    padding: 10px 16px;
    border-radius: 8px;
    font-family: var(--font-system);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    z-index: 1000;
    transition: opacity var(--ease-default);
    pointer-events: none;
    opacity: 0;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Transition Fade Overlay */
#transition-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #000;
    opacity: 0;
    pointer-events: none;
    z-index: 9999;
    transition: opacity 0.4s ease-in-out;
}

#transition-overlay.visible {
    opacity: 1;
    pointer-events: all;
}

/* Loading Screen Overlay */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-warm-bg);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    opacity: 1;
    pointer-events: all;
}

.loading-screen.visible {
    display: flex;
}

.loading-bar-container {
    width: 160px;
    height: 2px;
    background: rgba(26, 26, 26, 0.15);
    margin-top: 16px;
    overflow: hidden;
}

.loading-bar-fill {
    height: 100%;
    width: 0%;
    background: var(--color-dark);
    transition: width 0.3s ease-out;
}

.rotate-gesture-hint {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1002;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
    transition: opacity 0.6s ease-out;
}

.rotate-gesture-hint.hidden {
    opacity: 0;
}

.rotate-gesture-finger {
    width: 64px;
    height: 64px;
    filter: drop-shadow(0 0 6px rgba(255, 255, 255, 0.4));
    opacity: 1;
    animation: gesture-swipe 2s ease-in-out 3;
    animation-fill-mode: forwards;
}

@keyframes gesture-swipe {
    0%   { transform: translateX(50px); }
    50%  { transform: translateX(-50px); }
    100% { transform: translateX(50px); }
}

#rotation-hints {
    position: fixed;
    bottom: 50px;
    left: 20px;
    background: var(--color-cream);
    color: var(--color-dark);
    padding: var(--hints-padding, 16px);
    border-radius: 12px;
    font-family: var(--font-system);
    font-size: var(--hints-font-size, 13px);
    z-index: 1001;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    opacity: 1;
    animation: slideInFromLeft 0.3s ease-out;
}

.rotation-hint-content {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.hint-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.hint-key {
    background: var(--color-dark);
    color: var(--color-cream);
    padding: 6px 10px;
    border-radius: 6px;
    font-weight: 500;
    min-width: 50px;
    text-align: center;
    font-size: 11px;
    font-family: var(--font-system);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.hint-action {
    color: var(--color-dark);
    font-size: 13px;
    font-family: var(--font-system);
}


@keyframes slideInFromLeft {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

#rotation-hints.fading-out {
    opacity: 0;
    transition: opacity 0.5s ease-out;
    pointer-events: none;
}

/* Instructions Panel Styles (About) */
#instructions-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 5199;
    display: none;
    opacity: 0;
    transition: opacity var(--ease-default);
}

#instructions-backdrop.visible {
    display: block;
    opacity: 1;
}

#instructions-panel {
    position: fixed;
    top: 0;
        left: 0;
        width: 100vw;
        width: 100dvw;
        height: 100vh;
        height: 100dvh;
    background: var(--color-cream);
    color: var(--color-dark);
    font-family: var(--font-serif-short);
    z-index: 5200;
    display: none;
    overflow: hidden;
    }
    
    .instructions-header {
        position: sticky;
        top: 0;
        left: 0;
        right: 0;
        z-index: 20;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 32px 0 32px;
        background: var(--color-cream);
        border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.instructions-tabs {
    display: flex;
    gap: 16px;
        margin-bottom: 0;
}

.instructions-tab {
    background: none;
    border: none;
    padding: 12px 20px;
    font-family: var(--font-system);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: var(--color-warm-gray);
    cursor: pointer;
    transition: all var(--ease-fast);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}

.instructions-tab:hover {
    color: var(--color-dark);
}

.instructions-tab.active {
    color: var(--color-dark);
    border-bottom-color: var(--color-dark);
}

.instructions-close-button {
    background: none;
    border: 1px solid rgba(0, 0, 0, 0.15);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-dark);
    cursor: pointer;
    transition: all var(--ease-fast);
    padding: 0;
    margin-bottom: 8px;
}

.instructions-close-button:hover {
    background: rgba(0, 0, 0, 0.06);
    border-color: var(--color-dark);
    transform: scale(1.06);
}

.instructions-scroll-container {
    height: calc(100vh - 65px);
    height: calc(100dvh - 65px);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    padding: 40px 24px calc(64px + env(safe-area-inset-bottom, 0px)) 24px;
}

.instructions-container {
    max-width: 760px;
    margin: 0 auto;
}
.instructions-content.instructions-tab-content {
    display: none;
}

.instructions-content.instructions-tab-content.active {
    display: flex;
    flex-direction: column;
        gap: 24px;
        text-align: center;
    }
    
    .instructions-title {
        margin: 0 0 10px 0;
        text-align: center;
        color: var(--color-dark);
        font-weight: 500;
        font-size: 2rem;
        letter-spacing: 0.02em;
        font-family: var(--font-serif-short);
}

.about-video {
    width: 100%;
    aspect-ratio: 16 / 9;
    border-radius: 12px;
        margin-bottom: 8px;
    background: #000;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    }
    
    .about-text {
        color: var(--color-dark);
        font-size: 18px;
        line-height: 1.75;
        margin: 0;
        font-family: var(--font-serif-short);
        text-align: left;
}

.controls-section {
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: left;
    background: rgba(0, 0, 0, 0.02);
        border: 1px solid rgba(0, 0, 0, 0.06);
        border-radius: 12px;
        padding: 20px 24px;
}

.controls-section-title {
    font-size: 1.2rem;
    font-weight: 500;
    color: var(--color-dark);
    margin: 0 0 6px 0;
    font-family: var(--font-serif-short);
    letter-spacing: 0.02em;
}

#instructions-panel .hint-item {
    display: flex;
    align-items: center;
    gap: 16px;
}

#instructions-panel .hint-key {
    background: var(--color-dark);
    color: var(--color-cream);
    padding: 7px 12px;
    border-radius: 6px;
    font-weight: 500;
    min-width: 100px;
    text-align: center;
    font-size: 12px;
    font-family: var(--font-system);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    flex-shrink: 0;
}

#instructions-panel .hint-action {
    color: var(--color-dark);
    font-size: 16px;
    font-family: var(--font-serif-short);
    line-height: 1.5;
}

.interior-attribution {
    margin-top: 4px !important;
        font-size: 12px;
    font-family: var(--font-system);
    text-align: center;
}

.interior-attribution a {
    color: var(--color-warm-gray);
    text-decoration: underline;
    cursor: pointer;
    transition: color var(--ease-fast);
}

.interior-attribution a:hover {
    color: var(--color-dark);
}

.ai-disclaimer {
    padding-top: 20px;
        border-top: 1px solid rgba(0, 0, 0, 0.08);
        text-align: center;
}

.ai-disclaimer p {
    font-size: 12px;
    color: var(--color-warm-gray);
    margin: 0;
    font-family: var(--font-system);
    line-height: 1.6;
}

.ai-disclaimer .ai-policy-link {
    color: var(--color-link);
    text-decoration: underline;
    cursor: pointer;
    transition: color var(--ease-fast);
}

.ai-disclaimer .ai-policy-link:hover {
    color: #13447A;
}

.instructions-footer {
    margin-top: 36px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding-bottom: 90px;
}

.instructions-feedback-button {
    display: none;
    background: none;
    color: var(--color-warm-gray);
    border: none;
    padding: 8px 16px;
    font-family: var(--font-system);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    text-decoration: underline;
    text-underline-offset: 3px;
    cursor: pointer;
    transition: color var(--ease-fast);
    margin: 0 auto;
}

.instructions-feedback-button.visible {
    display: block;
}

.instructions-feedback-button:hover {
    color: var(--color-dark);
}

.instructions-ok-button {
    background: var(--color-dark);
    color: var(--color-cream);
    border: 1px solid var(--color-dark);
    border-radius: 28px;
        padding: 14px 36px;
    font-family: var(--font-system);
    font-size: 13px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    transition: all var(--ease-default);
    margin: 0 auto;
    display: block;
}

.instructions-ok-button:hover {
    background: var(--color-dark-hover);
    border-color: var(--color-dark-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

@media (max-height: 500px) and (orientation: landscape) {
    .instructions-header {
            padding: 8px 16px 0 16px;
    }

                .instructions-scroll-container {
                    height: calc(100vh - 48px);
                    height: calc(100dvh - 48px);
                    padding: 16px 16px calc(28px + env(safe-area-inset-bottom, 0px)) 16px;
    }

    .instructions-tab {
        padding: 6px 12px;
        font-size: 11px;
    }

                .instructions-close-button {
                    width: 30px;
                    height: 30px;
                    margin-bottom: 4px;
                }
        
                .instructions-content.instructions-tab-content.active {
                    gap: 12px;
    }

    .instructions-title {
        margin: 0 0 6px 0;
        font-size: 1.2rem;
        }
        
        .about-video {
            max-width: 440px;
            margin: 0 auto 8px auto;
    }

    .about-text {
        font-size: 14px;
            line-height: 1.55;
    }

    .ai-disclaimer {
        padding-top: 10px;
    }

    .ai-disclaimer p {
        font-size: 10px;
    }

    .controls-section {
        padding: 12px 16px;
            gap: 8px;
    }

    .controls-section-title {
        font-size: 1rem;
        margin: 0 0 4px 0;
    }

    #instructions-panel .hint-action {
        font-size: 13px;
    }

    .instructions-ok-button {
        padding: 8px 22px;
        font-size: 11px;
        margin-top: 6px;
    }
}

@media (max-height: 680px) and (orientation: portrait) {
    .instructions-header {
            padding: 12px 18px 0 18px;
    }

                .instructions-scroll-container {
                    padding: 24px 18px calc(48px + env(safe-area-inset-bottom, 0px)) 18px;
    }

    .instructions-title {
        margin: 0 0 8px 0;
        font-size: 1.5rem;
    }

    .about-text {
        font-size: 15px;
            line-height: 1.6;
    }

    .ai-disclaimer {
        padding-top: 12px;
    }

    .instructions-ok-button {
        padding: 10px 26px;
            font-size: 12px;
    }
}

@media (max-height: 380px) and (orientation: landscape) {
    .instructions-header {
            padding: 6px 12px 0 12px;
    }

                .instructions-scroll-container {
                    height: calc(100vh - 42px);
                    height: calc(100dvh - 42px);
                    padding: 10px 12px calc(20px + env(safe-area-inset-bottom, 0px)) 12px;
    }

    .instructions-tab {
        padding: 4px 10px;
        font-size: 10px;
    }

                .instructions-close-button {
                    width: 26px;
                    height: 26px;
                    margin-bottom: 2px;
                }
        
                .instructions-content.instructions-tab-content.active {
                    gap: 8px;
    }

    .instructions-title {
        margin: 0 0 4px 0;
        font-size: 1rem;
    }

                .about-video {
                    max-width: 320px;
                    margin: 0 auto 6px auto;
                }
    .about-text {
        font-size: 12px;
        line-height: 1.45;
    }

    .ai-disclaimer {
        padding-top: 8px;
    }

    .ai-disclaimer p {
        font-size: 9px;
    }

    .controls-section {
        padding: 8px 12px;
            gap: 6px;
    }

    .controls-section-title {
        font-size: 0.85rem;
        margin: 0 0 2px 0;
    }

    #instructions-panel .hint-key {
        min-width: 60px;
        padding: 3px 6px;
        font-size: 9px;
    }

    #instructions-panel .hint-action {
        font-size: 12px;
    }

    .instructions-ok-button {
        padding: 6px 18px;
        font-size: 10px;
        margin-top: 4px;
    }

    .instructions-feedback-button {
        font-size: 9px;
        padding: 4px 12px;
    }
}

#info-button {
    position: fixed;
    top: 16px;
    right: 240px;
    width: 48px;
    height: 48px;
    cursor: pointer;
    z-index: 5001;
    display: none;
    align-items: center;
    justify-content: center;
    background: rgba(245, 240, 232, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-radius: 50%;
    padding: 4px;
    box-sizing: border-box;
    transition: all var(--ease-default);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

#info-button:hover {
    background: #E8E3DA;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

#info-icon {
    width: 28px;
    height: 28px;
}

#ai-close-button {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 100px;
    height: 48px;
    cursor: pointer;
    z-index: 5001;
    display: none;
    align-items: center;
    justify-content: center;
    background: var(--color-dark-94);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    box-sizing: border-box;
    transition: all var(--ease-default);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-lg);
}

#ai-close-button:hover {
    background: rgba(40, 40, 40, 0.95);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

#ai-close-button img {
    width: 20px;
    height: 20px;
    margin-right: 8px;
}

#ai-close-button .ai-control-button-label {
    display: block !important;
    color: var(--color-cream);
    font-family: var(--font-system);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Exit button always horizontal layout (icon + text side by side) */
#ai-close-button {
    flex-direction: row !important;
}

#mobile-panels-button {
    display: inline-flex;
}

#mobile-panels-button.active,
#ai-transcript-button.active,
#ai-questions-button.active,
#ai-scale-button.active {
    background: rgba(255, 255, 255, 0.92) !important;
    border-color: rgba(255, 255, 255, 1) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

#mobile-panels-button.active img,
#ai-transcript-button.active img,
#ai-questions-button.active img,
#ai-scale-button.active img {
    filter: brightness(0) saturate(100%);
}

#mobile-panels-button.active .ai-control-button-label,
#ai-transcript-button.active .ai-control-button-label,
#ai-questions-button.active .ai-control-button-label,
#ai-scale-button.active .ai-control-button-label {
    color: var(--color-dark);
}

.combined-mobile-panel {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--color-cream);
    color: var(--color-dark);
    border-left: 3px solid var(--color-dark);
    border-radius: 0 8px 8px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    padding: 20px 22px;
    z-index: 2400;
    display: none;
    flex-direction: column;
    gap: 0;
    max-width: 80%;
    width: auto;
    min-width: 240px;
    max-height: 70vh;
    overflow-y: auto;
}

.combined-mobile-panel.mobile-visible {
    display: flex !important;
    animation: mobileFadeIn 0.3s ease-out;
}

@media (min-width: 769px) {
    .combined-mobile-panel {
        display: none;
        top: calc(var(--panel-top-offset, 80px) + 60px);
        left: 20px;
        transform: none;
        max-width: 220px;
        width: auto;
        max-height: var(--combined-panel-max-height, calc(100vh - var(--panel-top-offset, 100px) - 220px));
    }

    .combined-mobile-panel.mobile-visible {
        display: flex !important;
    }

    #rotation-hints {
        display: none;
    }

    #rotation-hints.mobile-visible {
        display: block !important;
    }
}

@media (min-width: 1025px) {
    .combined-mobile-panel {
        max-width: 240px;
    }

    .hint-paper-card {
        max-width: 560px;
    }
}

.placard-title {
    font-family: var(--font-serif-short);
    font-size: 1.55rem;
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-dark);
    margin: 0 0 5px 0;
    letter-spacing: -0.01em;
}

.placard-subtitle {
    font-family: var(--font-system);
    font-size: 0.85rem;
    font-weight: 400;
    color: var(--color-warm-gray-mid);
    margin: 0 0 10px 0;
    line-height: 1.4;
}

.placard-description {
    font-family: var(--font-serif-short);
    font-size: 0.9rem;
    font-weight: 500;
    font-style: italic;
    color: #3A3630;
    margin: 0 0 16px 0;
    line-height: 1.5;
}

.placard-footer {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-top: 12px;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    margin-top: auto;
}

.placard-partner-label {
    font-family: var(--font-system);
    font-size: 0.6rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-warm-gray);
}

.placard-partner-row {
    display: flex;
    align-items: center;
    gap: 10px;
}

a.placard-partner-link {
    text-decoration: none;
    cursor: pointer;
}

a.placard-partner-link .placard-partner-name {
    text-decoration: underline;
    text-underline-offset: 2px;
}

.placard-external-icon {
    flex-shrink: 0;
    margin-left: 3px;
}

.placard-partner-logo {
    height: 28px;
    width: auto;
    max-width: 90px;
    object-fit: contain;
    flex-shrink: 0;
}

.placard-partner-name {
    font-family: var(--font-system);
    font-size: 0.8rem;
    font-weight: 500;
    color: #3A3630;
    line-height: 1.3;
    letter-spacing: 0.02em;
}


/* Information Panels Container */

/* Artifact Information Panel Styles */
.artifact-info-panel {
    background: var(--color-cream);
    color: var(--color-dark);
    font-size: var(--panel-font-size, 13px);
    font-family: var(--font-serif-short);
    padding: var(--panel-padding, 14px 18px);
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    min-width: var(--panel-min-width, 180px);
    max-width: var(--panel-max-width, 250px);
    text-align: left;
    transition: all var(--ease-default);
    user-select: none;
    pointer-events: auto;
    opacity: 0;
    transform: scale(0.8) translateX(-50px);
}

.artifact-info-panel.visible {
    opacity: 1;
    transform: scale(1) translateX(0);
}


/* Consistent dark border for all artifact info panels */

/* Catalogue Manager Styles - Gallery/Museum Interface */
#catalogue-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    /* Warm cream background - like postcards.mono.studio */
    background: var(--color-warm-bg);
    z-index: 5000;
    display: flex;
    flex-direction: column;
    font-family: var(--font-serif);
    transition: all 0.3s ease-in-out;
}

.catalogue-hidden {
    opacity: 0;
    visibility: hidden;
    transform: translateY(-20px);
}

.catalogue-visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Catalogue Header - Refined Gallery Style */
.catalogue-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 20px 40px;
    background: rgba(232, 227, 219, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    gap: 40px;
    z-index: 100;
    min-height: 80px;
    box-sizing: border-box;
    position: relative;
}

.header-left-section {
    display: flex;
    align-items: center;
    gap: 30px;
    flex: 1;
}

.header-title-container {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.museum-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: var(--color-dark);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    font-weight: 500;
    margin: 0;
    line-height: 1.2;
}

.catalogue-header-instructions {
    font-family: var(--font-system);
    font-size: 12px;
    font-weight: 500;
    color: var(--color-warm-gray-mid);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 4px;
}


/* Catalogue Grid - Blueprint Filing System */

/* Artifact Cards - Blueprint Filing Cabinet Style */

/* Catalogue Animation Effects */
@keyframes catalogueSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}


/* Guide Subtitle for Catalogue */
.guide-subtitle {
    position: fixed;
    bottom: 20px;
    right: 30px;
    background: var(--color-dark-95);
    color: var(--color-cream);
    padding: 18px 24px;
    border-radius: 8px;
    font-family: var(--font-serif);
    font-size: 15px;
    font-weight: 400;
    font-style: italic;
    text-align: left;
    z-index: 5010;
    max-width: 400px;
    min-width: 300px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.25);
    border: none;
    opacity: 0;
    visibility: hidden;
    transform: translateX(20px) translateY(20px);
    transition: all 0.3s ease-in-out;
    pointer-events: none;
    line-height: 1.6;
}

.guide-subtitle.visible {
    opacity: 1;
    visibility: visible;
    transform: translateX(0) translateY(0);
}

.guide-subtitle-label {
    position: absolute;
    top: -10px;
    left: 16px;
    background: var(--color-cream);
    color: var(--color-dark);
    padding: 4px 12px;
    font-size: 10px;
    font-family: var(--font-system);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    font-weight: 500;
    border-radius: 10px;
    font-style: normal;
    white-space: nowrap;
}

/* Search Suggestions - Blueprint Style */

.partner-panel {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--color-cream);
    color: var(--color-dark);
    padding: 12px 16px;
    border-radius: 12px;
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    z-index: 2000;
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.partner-panel img {
    height: 40px;
    margin-right: 15px;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.8);
    padding: 5px;
    box-sizing: border-box;
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.gac-logo {
    height: 1.1rem;
    width: auto;
    display: inline-block;
    vertical-align: middle;
}

/* WebGL Canvas Container Styles */
.webgl-canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    touch-action: none;
    transition: opacity 0.5s ease, transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.webgl-canvas-container canvas {
    display: block;
    width: 100%;
    height: 100%;
    cursor: grab;
    touch-action: none;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    image-rendering: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.webgl-canvas-container canvas:active {
    cursor: grabbing;
}

/* Carousel Container Styles */


/* Carousel Row Wrapper */

/* Per-row arrow buttons */

/* Carousel Row Styles - CSS Animation Based */

/* Hide scrollbar */

/* Inner wrapper for GSAP animation */

/* Carousel Item Styles */

/* Keyboard focus styles for accessibility */

/* Ensure focused items are visible above fade gradients */


/* Header Controls */


/* Artifact Info Panel Overlay */

/* Search Overlay */
.search-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 5100;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--ease-default);
}

.search-overlay-visible {
    opacity: 1;
    visibility: visible;
}

.search-panel {
    background: var(--color-cream);
    border: none;
    border-radius: 6px;
    width: 90%;
    max-width: 900px;
    max-height: 85vh;
    padding: 0;
    position: relative;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Discover Title & Subtitle */
.discover-title {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 500;
    color: var(--color-dark);
    text-align: center;
    margin: 0 0 0.5rem 0;
    letter-spacing: 0.02em;
    padding: 2.5rem 2rem 0 2rem;
}

.discover-subtitle {
    font-family: var(--font-system);
    font-size: 0.85rem;
    color: #4A4540;
    text-align: center;
    margin: 0;
    letter-spacing: var(--tracking-tight);
    padding: 0 2rem 1rem 2rem;
}

/* Discover Search Input */
.discover-search-container {
    padding: 0 2rem 1.5rem 2rem;
}

.discover-search-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--color-border);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.8);
    color: var(--color-dark);
    font-size: 0.95rem;
    font-family: var(--font-system);
    font-weight: 400;
    letter-spacing: 0.02em;
    transition: all var(--ease-fast);
    box-sizing: border-box;
}

.discover-search-input:focus {
    outline: none;
    border-color: var(--color-dark);
    background: var(--color-white);
    box-shadow: 0 0 0 3px rgba(26, 26, 26, 0.08);
}

.discover-search-input::placeholder {
    color: #888888;
    letter-spacing: 0.02em;
}

/* Discover Search Results */
.discover-search-results {
    padding: 0 2rem;
    max-height: 400px;
    overflow-y: auto;
}

.discover-search-results .discover-count {
    padding: 0 0 1rem 0;
}

.discover-search-results .artifact-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-bottom: 1rem;
}

.discover-no-results {
    text-align: center;
    padding: 2rem 0;
    color: #4A4540;
}

.discover-no-results p {
    margin: 0 0 0.5rem 0;
    font-family: var(--font-system);
    font-size: 0.9rem;
}

.discover-no-results-hint {
    font-size: 0.8rem !important;
    color: #888888;
}

.discover-count {
    font-family: var(--font-system);
    font-size: 0.75rem;
    color: var(--color-warm-gray-mid);
    text-align: center;
    margin: 0;
    letter-spacing: var(--tracking-tight);
    padding: 0 2rem 1.5rem 2rem;
}

/* Discovery Options Grid - Question-based interface */
.discovery-options-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    padding: 0 2rem;
    margin-bottom: 1.5rem;
    overflow: visible;
}

.discovery-option-button {
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.5rem 1rem;
    cursor: pointer;
    transition: all var(--ease-default);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    position: relative;
    min-height: 160px;
    justify-content: center;
}

.discovery-option-button:hover {
    background: var(--color-dark);
    border-color: var(--color-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.discovery-option-button:hover .discovery-option-icon {
    transform: scale(1.1);
}

.discovery-option-button:hover .discovery-option-text {
    color: var(--color-cream);
}

.discovery-option-button:focus {
    outline: none;
}

.discovery-option-button:focus-visible {
    outline: 2px solid var(--color-dark);
    outline-offset: 2px;
    background: var(--color-dark);
    border-color: var(--color-dark);
}

.discovery-option-button:focus-visible .discovery-option-text {
    color: var(--color-cream);
}

.discovery-option-icon {
    font-size: 2.5rem;
    transition: transform var(--ease-default);
    line-height: 1;
}

.discovery-option-text {
    font-family: var(--font-system);
    font-size: 0.8rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--tracking-normal);
    color: var(--color-dark-hover);
    text-align: center;
    transition: color var(--ease-default);
    line-height: 1.4;
}

.discovery-option-desc {
    font-family: var(--font-system);
    font-size: 0.7rem;
    font-weight: 400;
    color: #6A6A6A;
    text-align: center;
    transition: color var(--ease-default);
    line-height: 1.4;
    margin-top: 0.25rem;
}

.discovery-option-button:hover .discovery-option-desc {
    color: rgba(250, 248, 245, 0.7);
}

.discovery-option-button:focus-visible .discovery-option-desc {
    color: rgba(250, 248, 245, 0.7);
}

/* Categories Container */

/* Categories Grid */

/* Search Toggle */

/* Search Input Container */

.discover-nav-header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 0.75rem 1rem 0;
    position: sticky;
    top: 0;
    z-index: 10;
}

.discover-nav-header.has-back {
    justify-content: space-between;
}

.discover-nav-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: #5A5549;
    cursor: pointer;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--ease-fast);
    padding: 0;
    line-height: 1;
    flex-shrink: 0;
}

.discover-nav-close:hover {
    background: rgba(0, 0, 0, 0.06);
    color: var(--color-dark);
}

.discover-nav-back {
    background: none;
    border: 1px solid #C9C4B8;
    border-radius: 24px;
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 500;
    letter-spacing: 0.04em;
    color: #5A5549;
    cursor: pointer;
    transition: all var(--ease-fast);
    font-family: var(--font-system);
}

.discover-nav-back:hover {
    background: rgba(0, 0, 0, 0.03);
    border-color: var(--color-dark);
    color: var(--color-dark);
}

.discover-nav-close:focus-visible,
.discover-nav-back:focus-visible {
    outline: 2px solid var(--color-dark);
    outline-offset: 2px;
}

.discover-footer {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    padding: 0.8rem 2rem;
    border-top: 1px solid rgba(0, 0, 0, 0.08);
    background: rgba(0, 0, 0, 0.02);
}

.discover-pagination {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.discover-page-btn {
    background: var(--color-dark-90);
    color: var(--color-cream);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    padding: 0;
    width: 44px;
    height: 44px;
    font-size: 18px;
    font-weight: 400;
    cursor: pointer;
    transition: all var(--ease-default);
    font-family: var(--font-system);
    display: flex;
    align-items: center;
    justify-content: center;
}

.discover-page-btn:hover:not(:disabled) {
    background: rgba(40, 40, 40, 0.95);
    border-color: rgba(255, 255, 255, 0.2);
}

.discover-page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.discover-page-info {
    font-family: var(--font-system);
    font-size: 13px;
    font-weight: 600;
    color: #3A3530;
    letter-spacing: 0.05em;
    min-width: 80px;
    text-align: center;
}


/* ==========================================================================
    CATALOGUE HINT OVERLAY - Paper-Style Welcome Card
    ========================================================================== */

.catalogue-hint-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 5200;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
    pointer-events: none;
    display: flex;
    align-items: center;
    justify-content: center;
}

.catalogue-hint-overlay.visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

/* Backdrop */
.hint-paper-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 26, 26, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

/* Paper Card */
.hint-paper-card {
    position: fixed;
    top: 50%;
    left: 50%;
    background: var(--color-cream);
    border-radius: 4px;
    box-shadow:
        0 25px 80px rgba(0, 0, 0, 0.35),
        0 0 0 1px rgba(0, 0, 0, 0.05);
    max-width: 520px;
    width: 90%;
    overflow: hidden;
    transform: translate(-50%, -50%) scale(0.95);
    opacity: 0;
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.catalogue-hint-overlay.visible .hint-paper-card {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

/* Paper Texture Effect */
.hint-paper-texture {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 24px,
            rgba(0, 0, 0, 0.015) 24px,
            rgba(0, 0, 0, 0.015) 25px
        );
    pointer-events: none;
    opacity: 0.5;
}

/* Paper Content */
.hint-paper-content {
    position: relative;
    padding: 40px 36px;
}

/* Header */
.hint-paper-header {
    text-align: center;
    margin-bottom: 32px;
}

.hint-paper-ornament {
    font-size: 1.2rem;
    color: #B8A88A;
    margin-bottom: 12px;
    letter-spacing: 0.3em;
}

.hint-paper-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 500;
    color: var(--color-dark);
    margin: 0 0 16px 0;
    letter-spacing: 0.02em;
    line-height: 1.3;
}

.hint-paper-divider {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, #C9C4B8, transparent);
    margin: 0 auto;
}

/* Features Grid */
.hint-paper-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 32px;
}

.hint-paper-feature {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 16px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

/* Feature Demo Containers */
.hint-feature-demo {
    width: 64px;
    height: 64px;
    flex-shrink: 0;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(232, 227, 219, 0.5);
    border-radius: 8px;
    overflow: hidden;
}

/* Feature Text */
.hint-feature-text {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.hint-feature-text strong {
    font-family: var(--font-system);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-dark);
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
}

.hint-feature-text span {
    font-family: var(--font-serif);
    font-size: 1rem;
    color: var(--color-warm-gray-mid);
    line-height: 1.4;
}

/* ===== EXPLORE DEMO ANIMATION ===== */
.hint-demo-explore {
    flex-direction: column;
}

.hint-demo-hand {
    position: absolute;
    color: var(--color-dark);
    animation: hint-hand-drag 3s ease-in-out infinite;
    z-index: 2;
}

.hint-demo-artifacts {
    display: flex;
    gap: 4px;
    font-size: 1.2rem;
    animation: hint-artifacts-slide 3s ease-in-out infinite;
}

@keyframes hint-hand-drag {
    0%, 100% { transform: translate(-8px, 0); }
    50% { transform: translate(8px, 0); }
}

@keyframes hint-artifacts-slide {
    0%, 100% { transform: translateX(8px); }
    50% { transform: translateX(-8px); }
}

/* ===== CLICK DEMO ANIMATION ===== */
.hint-demo-click {
    position: relative;
}

.hint-demo-artifact-large {
    font-size: 1.8rem;
    z-index: 1;
}

.hint-demo-pulse {
    position: absolute;
    width: 40px;
    height: 40px;
    border: 2px solid rgba(26, 26, 26, 0.3);
    border-radius: 50%;
    animation: hint-pulse-ring 2s ease-out infinite;
}

.hint-demo-cursor {
    position: absolute;
    bottom: 8px;
    right: 8px;
    color: var(--color-dark);
    animation: hint-cursor-click 2s ease-in-out infinite;
    z-index: 3;
}

.hint-demo-touch-finger {
    font-size: 1.2rem;
    line-height: 1;
}

@keyframes hint-pulse-ring {
    0% { transform: scale(0.5); opacity: 0.8; }
    100% { transform: scale(1.5); opacity: 0; }
}

@keyframes hint-cursor-click {
    0%, 40%, 100% { transform: scale(1); }
    50% { transform: scale(0.85); }
}

/* ===== SPEAK DEMO ANIMATION ===== */
.hint-demo-speak {
    position: relative;
}

.hint-demo-artifact-speak {
    font-size: 1.6rem;
    z-index: 1;
}

.hint-demo-speech-bubble {
    position: absolute;
    top: 4px;
    right: 4px;
    background: var(--color-dark);
    border-radius: 8px;
    padding: 4px 6px;
    animation: hint-bubble-appear 2.5s ease-in-out infinite;
}

.hint-demo-sound-bars {
    display: flex;
    align-items: center;
    gap: 2px;
    height: 12px;
}

.hint-demo-sound-bars span {
    width: 3px;
    background: var(--color-cream);
    border-radius: 1px;
    animation: hint-sound-wave 1s ease-in-out infinite;
}

.hint-demo-sound-bars span:nth-child(1) { animation-delay: 0s; height: 4px; }
.hint-demo-sound-bars span:nth-child(2) { animation-delay: 0.15s; height: 8px; }
.hint-demo-sound-bars span:nth-child(3) { animation-delay: 0.3s; height: 6px; }
.hint-demo-sound-bars span:nth-child(4) { animation-delay: 0.45s; height: 10px; }

@keyframes hint-bubble-appear {
    0%, 20% { opacity: 0; transform: scale(0.8) translateY(4px); }
    30%, 80% { opacity: 1; transform: scale(1) translateY(0); }
    90%, 100% { opacity: 0; transform: scale(0.8) translateY(-4px); }
}

@keyframes hint-sound-wave {
    0%, 100% { transform: scaleY(0.5); }
    50% { transform: scaleY(1); }
}

/* Footer */
.hint-paper-footer {
    text-align: center;
}

.hint-paper-button {
    background: var(--color-dark);
    color: var(--color-cream);
    border: none;
    border-radius: 24px;
    padding: 14px 32px;
    font-family: var(--font-system);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    cursor: pointer;
    transition: all var(--ease-default);
}

.hint-paper-button:hover {
    background: var(--color-dark-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.hint-paper-button:active {
    transform: translateY(0);
}

/* Mobile Responsive */
@media (max-width: 600px) {
    .hint-paper-card {
        width: 95%;
        max-width: 480px;
    }

    .hint-paper-content {
        padding: 28px 24px;
    }

    .hint-paper-title {
        font-size: 1.4rem;
    }

    .hint-paper-features {
        gap: 16px;
        margin-bottom: 24px;
    }

    .hint-paper-feature {
        padding: 12px;
        gap: 14px;
    }

    .hint-feature-demo {
        width: 52px;
        height: 52px;
    }

    .hint-feature-text strong {
        font-size: 0.75rem;
    }

    .hint-feature-text span {
        font-size: 0.9rem;
    }

    .hint-paper-button {
        padding: 12px 28px;
        font-size: 0.8rem;
    }

    .hint-demo-artifact-large {
        font-size: 1.4rem;
    }

    .hint-demo-artifact-speak {
        font-size: 1.3rem;
    }

    .hint-demo-artifacts {
        font-size: 1rem;
    }
}

/* Tablet Responsive */
@media (min-width: 601px) and (max-width: 1024px) {
    .hint-paper-card {
        max-width: 500px;
    }
}

/* ==========================================================================
    MEDIA QUERIES - Organized by breakpoint (desktop-first)
    ========================================================================== */

/* --------------------------------------------------------------------------
   LARGE DESKTOP (min-width: 992px)
   -------------------------------------------------------------------------- */

/* --------------------------------------------------------------------------
   TABLET LANDSCAPE (768px - 991px)
   -------------------------------------------------------------------------- */

/* --------------------------------------------------------------------------
   TABLET PORTRAIT & SMALL TABLET (481px - 1024px)
   Mobile-style buttons and panel behavior (includes iPad Pro)
   -------------------------------------------------------------------------- */
@media (min-width: 481px) and (max-width: 1024px) {
    
    .catalogue-zoom-controls {
        display: none !important;
    }
    
    /* Hide desktop tooltip on tablet */
    .artifact-hover-tooltip {
        display: none !important;
    }
    
    .artifact-info-panel,
    .partner-panel,
    #rotation-hints {
        display: none;
    }
    
    #ai-transcript-panel {
        left: 50%;
        right: auto;
        top: 50%;
        bottom: auto;
        transform: translate(-50%, -50%);
        width: 85%;
        max-width: 400px;
    }

    #ai-transcript-panel.visible {
        transform: translate(-50%, -50%);
    }

    #ai-suggested-questions {
        left: 50%;
        right: auto;
        top: 50%;
        bottom: auto;
        transform: translate(-50%, -50%);
        width: 85%;
        max-width: 400px;
    }

    #ai-suggested-questions.visible {
        transform: translate(-50%, -50%);
    }

    .ai-control-button.active {
        background: rgba(255, 255, 255, 0.92) !important;
        border-color: rgba(255, 255, 255, 1) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        transform: translateY(-2px);
    }

    .ai-control-button.active img {
        filter: brightness(0) saturate(100%);
    }

    .ai-control-button.active .ai-control-button-label {
        color: var(--color-dark);
    }
}

/* --------------------------------------------------------------------------
   SMALL TABLET (481px - 880px)
   Info Modal Responsive Sizing - Tablet
   -------------------------------------------------------------------------- */
@media (min-width: 481px) and (max-width: 880px) {
    :root {
        --modal-max-width: 600px;
        --modal-width: 85%;
        --modal-max-height: 75vh;
        --modal-title-size: 1.2rem;
        --modal-meta-size: 0.7rem;
        --modal-section-title-size: 0.7rem;
        --modal-content-size: 0.82rem;
        --modal-content-line-height: 1.5;
        --modal-section-gap: 16px;
        --modal-header-padding: 20px 24px;
        --modal-body-padding: 24px;
        --modal-footer-padding: 18px 24px;
        --modal-button-padding: 12px 24px;
        --modal-button-size: 11px;
    }
    
    .catalogue-header {
        top: 0;
        padding: 15px 20px;
        gap: 20px;
    }

    .museum-title {
        font-size: 1.3rem;
    }

    .catalogue-title {
        font-size: 1.3rem;
    }
}

/* --------------------------------------------------------------------------
   LARGE PHONE / SMALL TABLET (480px - 767px)
   -------------------------------------------------------------------------- */

@media (min-width: 481px) and (max-width: 500px) {
    #search-button.search-active {
        display: flex !important;
        right: auto;
        left: 16px;
    }
}

/* ==========================================================================
    CONSOLIDATED RESPONSIVE OVERRIDES
    These must come AFTER the min-width tablet blocks above so that
    max-width rules correctly override them in the cascade.
    ========================================================================== */

/* --------------------------------------------------------------------------
   TABLET AND BELOW (max-width: 768px)
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    .rotate-gesture-finger {
        width: 48px;
        height: 48px;
    }

    @keyframes gesture-swipe {
        0%   { transform: translateX(35px); }
        50%  { transform: translateX(-35px); }
        100% { transform: translateX(35px); }
    }

    .catalogue-zoom-controls {
        display: none !important;
    }

    .artifact-hover-tooltip {
        display: none !important;
    }

    .catalogue-header {
        top: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 76px 15px 12px 15px;
        min-height: auto;
    }

    .catalogue-header::before {
        display: none;
    }

    .catalogue-title {
        font-size: 1.1rem;
        line-height: 1.2;
    }

    .catalogue-header-instructions {
        font-size: 11px;
    }

    :root {
        --modal-max-width: 500px;
        --modal-width: 85%;
        --modal-max-height: auto;
        --modal-title-size: 1.1rem;
        --modal-meta-size: 0.65rem;
        --modal-section-title-size: 0.65rem;
        --modal-content-size: 0.75rem;
        --modal-content-line-height: 1.5;
        --modal-section-gap: 14px;
        --modal-header-padding: 16px 20px;
        --modal-body-padding: 18px;
        --modal-footer-padding: 14px 20px;
        --modal-button-padding: 12px 20px;
        --modal-button-size: 11px;
    }

    #rotation-hints {
        bottom: 70px;
        left: 10px;
        right: 10px;
        padding: 12px;
        font-size: 13px;
    }

    .hint-key {
        min-width: 40px;
        font-size: 11px;
        padding: 3px 6px;
    }

    .hint-action {
        font-size: 12px;
    }

    .start-button {
        font-size: 1rem;
        padding: 14px 28px;
    }


    .artifact-info-panel {
        font-size: 12px;
        padding: 10px 12px;
        min-width: 150px;
        max-width: 200px;
    }

    .artifact-info-panel div:first-child {
        font-size: 13px !important;
    }

    .artifact-info-panel div:last-child {
        font-size: 11px !important;
    }

    .catalogue-filter-bar {
        gap: 10px;
        padding: 10px 16px;
        bottom: 20px;
    }

    .filter-dropdown-label {
        display: none;
    }

    .filter-dropdown {
        min-width: 80px;
        font-size: 11px;
        padding: 6px 24px 6px 10px;
    }

    .filter-result-count {
        font-size: 11px;
        padding: 0 6px;
    }

    .filter-reset-button {
        padding: 6px 12px;
        font-size: 9px;
    }

    .search-panel {
        padding: 0;
        width: 95%;
        max-height: 90vh;
    }

    .discover-title {
        font-size: 1.3rem;
        padding: 1.5rem 1rem 0 1rem;
    }

    .discover-subtitle {
        font-size: 0.75rem;
        padding: 0 1rem 0.75rem 1rem;
    }

    .discover-search-container {
        padding: 0 1rem 1rem 1rem;
    }

    .discover-search-input {
        padding: 10px 14px;
        font-size: 0.9rem;
    }

    .discover-search-results {
        padding: 0 1rem;
        max-height: 300px;
    }

    .discover-count {
        font-size: 0.7rem;
        padding: 0 1rem 1rem 1rem;
    }

    .discovery-options-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
        padding: 0 1rem;
        margin-bottom: 1rem;
    }

    .discovery-option-button {
        padding: 1rem 0.75rem;
        min-height: 120px;
    }

    .discovery-option-icon {
        font-size: 1.8rem;
    }

    .discovery-option-text {
        font-size: 0.7rem;
    }

    .discovery-option-desc {
        font-size: 0.6rem;
        display: none;
    }

    .artifact-list {
        flex-direction: column;
        gap: 0.75rem;
        padding: 0 1rem;
        padding-bottom: 20px;
    }

    .artifact-list-item {
        padding: 12px;
        gap: 12px;
        flex-direction: row;
        align-items: center;
    }

    .artifact-list-thumbnail {
        width: 60px;
        height: 60px;
    }

    .artifact-list-name {
        font-size: 12px;
        line-height: 1.2;
    }

    .discover-footer {
        padding: 1rem;
        gap: 0.75rem;
    }

    .discover-nav-close {
        width: 40px;
        height: 40px;
    }

    .discover-nav-back {
        min-height: 40px;
    }

    .discover-page-btn {
        padding: 10px 16px;
        font-size: 14px;
        min-width: 44px;
    }

    .discover-page-info {
        font-size: 12px;
        min-width: 60px;
    }

    .catalogue-no-results-message {
        font-size: 1.3rem;
        padding: 0 1.5rem;
    }

    .catalogue-no-results-hint {
        font-size: 0.95rem;
        padding: 0 1.5rem;
        max-width: 320px;
    }

    .annotation-dot {
        width: 16px;
        height: 16px;
    }

    .annotation-dot::before {
        width: 6px;
        height: 6px;
    }

    .annotation-label {
        font-size: 12px;
        padding: 6px 8px 6px 12px;
        white-space: normal;
        max-width: min(260px, calc(100vw - 60px));
        text-align: center;
        line-height: 1.3;
    }

    .annotation-hotspot.expanded .annotation-dot,
    .annotation-hotspot.active .annotation-dot {
        width: 20px;
        height: 20px;
    }
}

/* --------------------------------------------------------------------------
   MOBILE (max-width: 480px)
   -------------------------------------------------------------------------- */
@media (max-width: 480px) {
    .voice-modal-content {
        min-width: 280px;
        padding: 24px 32px;
        margin: 0 16px;
    }

    .voice-modal-transcript {
        font-size: 16px;
        min-height: 48px;
    }

    .voice-bar {
        width: 5px;
    }

    :root {
        --modal-max-width: 400px;
        --modal-width: 90%;
        --modal-title-size: 1rem;
        --modal-meta-size: 0.65rem;
        --modal-header-padding: 16px 18px;
        --modal-footer-padding: 14px 18px;
        --modal-button-padding: 12px 18px;
        --modal-button-size: 10px;
    }

    #audio-toggle,
    #music-toggle,
    #share-button,
    #info-button,
    #search-button {
        top: 16px;
        width: 48px;
        height: 48px;
        z-index: 5100;
    }

    #audio-toggle { right: 72px; }
    #music-toggle { right: 128px; }
    #share-button { right: 184px; }
    #info-button { right: 240px; }

    #search-button.search-active {
        display: flex;
        right: auto;
        left: 16px;
        background: var(--color-dark-94);
        border: 1px solid rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        box-shadow: var(--shadow-lg);
    }

    #ai-close-button {
        top: 16px;
        left: 16px;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        padding: 0;
    }

    #ai-close-button img {
        margin-right: 0;
    }

    #ai-close-button .ai-control-button-label {
        display: none !important;
    }

    .artifact-info-panel,
    .partner-panel,
    #rotation-hints {
        display: none;
    }

    #ai-transcript-panel {
        left: 50%;
        right: auto;
        top: 50%;
        bottom: auto;
        transform: translate(-50%, -50%);
        width: 85%;
        max-width: 350px;
    }

    #ai-transcript-panel.visible {
        transform: translate(-50%, -50%);
    }

    #ai-suggested-questions {
        left: 50%;
        right: auto;
        top: 50%;
        bottom: auto;
        transform: translate(-50%, -50%);
        width: 85%;
        max-width: 350px;
    }

    #ai-suggested-questions.visible {
        transform: translate(-50%, -50%);
    }

    @keyframes mobileFadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    .artifact-info-panel {
        font-size: 11px;
        padding: 8px 10px;
        min-width: 130px;
        max-width: 180px;
    }

    .artifact-info-panel div:first-child {
        font-size: 12px !important;
    }

    .artifact-info-panel div:last-child {
        font-size: 10px !important;
    }

    .catalogue-header {
        top: 0;
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        padding: 76px 15px 12px 15px;
        min-height: auto;
    }

    .catalogue-header::before {
        display: none;
    }

    .guide-subtitle {
        bottom: 15px;
        right: 15px;
        padding: 10px 16px;
        font-size: 13px;
        max-width: 70%;
        min-width: 200px;
    }

    .guide-subtitle-label {
        font-size: 10px;
        padding: 3px 8px;
    }

    .header-left-section {
        flex-direction: column;
        gap: 8px;
        align-items: stretch;
    }

    .header-title-container {
        width: 100%;
    }

    .museum-title {
        font-size: 1.1rem;
        line-height: 1.2;
        margin-bottom: 2px;
    }

    .catalogue-title {
        font-size: 1.1rem;
        line-height: 1.2;
        margin-bottom: 2px;
    }

    .catalogue-zoom-controls {
        display: none !important;
    }

    .search-panel {
        padding: 1.5rem;
        width: 95%;
    }

    .discover-nav-header {
        padding: 0.5rem 0.75rem 0;
    }

    #ai-speaking-indicator {
        bottom: 100px;
        font-size: 11px;
        padding: 8px 14px;
    }

    .ai-speaking-label {
        padding: 2px 8px;
        font-size: 8px;
    }

    #ai-controls {
        bottom: 10px;
        max-width: 90%;
    }

    .ai-control-button {
        width: 44px;
        height: 44px;
    }

    .ai-control-button img {
        width: 20px;
        height: 20px;
    }

    .ai-control-button.active {
        background: rgba(255, 255, 255, 0.92) !important;
        border-color: rgba(255, 255, 255, 1) !important;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
        transform: translateY(-2px);
    }

    .ai-control-button.active img {
        filter: brightness(0) saturate(100%);
    }

    .ai-control-button.active .ai-control-button-label {
        color: var(--color-dark);
    }

    .catalogue-no-results-message {
        font-size: 1.1rem;
        padding: 0 1.2rem;
        letter-spacing: var(--tracking-tight);
    }

    .catalogue-no-results-hint {
        font-size: 0.85rem;
        padding: 0 1.2rem;
        max-width: 280px;
    }
}

/* Mobile Filter Button - Only visible on mobile when catalogue is active */
.mobile-filter-button {
    display: none;
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-dark-94);
    color: var(--color-cream);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    padding: 12px 28px;
    font-family: var(--font-system);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    z-index: 5100;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: var(--shadow-lg);
    transition: all var(--ease-default);
    align-items: center;
    gap: 8px;
    opacity: 0;
    visibility: hidden;
}

.mobile-filter-button:hover {
    background: rgba(40, 40, 40, 0.95);
    border-color: rgba(255, 255, 255, 0.2);
}

.mobile-filter-button .filter-badge {
    background: var(--color-cream);
    color: var(--color-dark);
    font-size: 10px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 10px;
    min-width: 16px;
    text-align: center;
}

/* Mobile Filter Modal */
.mobile-filter-modal {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.98);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 20px 20px 0 0;
    padding: 24px 20px 30px 20px;
    z-index: 5200;
    box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.3);
    transform: translateY(100%);
    transition: transform var(--ease-default);
}

.mobile-filter-modal.visible {
    display: block;
    transform: translateY(0);
}

.mobile-filter-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-filter-modal-title {
    font-family: var(--font-system);
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-cream);
}

.mobile-filter-modal-count {
    font-family: var(--font-system);
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

.mobile-filter-modal-close {
    background: transparent;
    border: none;
    color: var(--color-cream);
    font-size: 24px;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
}

.mobile-filter-modal-body {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mobile-filter-row {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.mobile-filter-label {
    font-family: var(--font-system);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: rgba(255, 255, 255, 0.5);
}

.mobile-filter-select {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-cream);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    padding: 14px 16px;
    font-family: var(--font-system);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 width=%2712%27 height=%2712%27 viewBox=%270 0 12 12%27%3E%3Cpath fill=%27%23FAF8F5%27 d=%27M6 8L2 4h8z%27/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    width: 100%;
    box-sizing: border-box;
}

.mobile-filter-select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
}

.mobile-filter-select option {
    background: var(--color-dark);
    color: var(--color-cream);
}

.mobile-filter-modal-footer {
    display: flex;
    gap: 12px;
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-filter-reset {
    flex: 1;
    background: transparent;
    color: rgba(255, 255, 255, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 14px 20px;
    font-family: var(--font-system);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    transition: all var(--ease-fast);
}

.mobile-filter-reset:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--color-cream);
}

.mobile-filter-apply {
    flex: 2;
    background: var(--color-cream);
    color: var(--color-dark);
    border: none;
    border-radius: 12px;
    padding: 14px 20px;
    font-family: var(--font-system);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    cursor: pointer;
    transition: all var(--ease-fast);
}

.mobile-filter-apply:hover {
    background: #E8E3DA;
}

/* Mobile filter modal backdrop */
.mobile-filter-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 5150;
}

.mobile-filter-backdrop.visible {
    display: block;
}

/* --------------------------------------------------------------------------
   EXTRA SMALL MOBILE (max-width: 375px)
   -------------------------------------------------------------------------- */
@media (max-width: 375px) {

    .combined-mobile-panel {
        min-width: 220px;
        padding: 16px 18px;
    }

    .placard-title {
        font-size: 1.3rem;
    }

    .placard-subtitle {
        font-size: 0.8rem;
    }

    .placard-description {
        font-size: 0.8rem;
    }

    .placard-partner-logo {
        height: 24px;
    }

    .placard-partner-name {
        font-size: 0.75rem;
    }

                .instructions-header {
                    padding: 14px 20px 0 20px;
    }

                .instructions-scroll-container {
                    height: calc(100vh - 58px);
                    height: calc(100dvh - 58px);
                    padding: 24px 18px calc(48px + env(safe-area-inset-bottom, 0px)) 18px;
    }

    .instructions-tab {
        padding: 10px 14px;
            font-size: 11.5px;
    }

                .instructions-close-button {
                    width: 32px;
                    height: 32px;
                    margin-bottom: 6px;
                }
        
                .instructions-content.instructions-tab-content.active {
                    gap: 16px;
    }

    .instructions-title {
        margin: 0 0 8px 0;
        font-size: 1.5rem;
    }

    .about-text {
        font-size: 16px;
            line-height: 1.65;
    }

    .ai-disclaimer {
        padding-top: 14px;
    }

    .ai-disclaimer p {
        font-size: 11px;
    }

    .controls-section {
        padding: 16px 18px;
            gap: 10px;
    }

    .controls-section-title {
        font-size: 1.05rem;
        margin: 0 0 4px 0;
    }

    #instructions-panel .hint-key {
        min-width: 75px;
        padding: 5px 8px;
        font-size: 10.5px;
    }

    #instructions-panel .hint-action {
        font-size: 14px;
    }

    .instructions-ok-button {
        padding: 12px 30px;
            font-size: 12px;
    }
}

/* --------------------------------------------------------------------------
   TOUCH DEVICES & CAPABILITY QUERIES
   Disable hover effects for touch devices and smaller screens.
   Transitions on interactive elements are shortened to avoid the
   "sticky hover" / delayed-fade that mobile WebKit triggers after a tap.
   -------------------------------------------------------------------------- */
@media (hover: none) or (pointer: coarse), (max-width: 1024px) {

    .start-button,
    .suggested-question-button,
    .suggested-question-button.mic-button,
    #audio-toggle,
    #music-toggle,
    #share-button,
    #search-button,
    #info-button,
    #ai-close-button,
    .ai-control-button,
    .ai-control-button.active,
    .voice-modal-stop,
    .voice-modal-cancel,
    .instructions-tab,
    .instructions-ok-button,
    .instructions-feedback-button,
    .hint-paper-button,
    .discover-nav-close,
    .discover-nav-back,
    .discover-page-btn,
    .discovery-option-button,
    .catalogue-zoom-button,
    .mobile-filter-button,
    .mobile-filter-reset,
    .mobile-filter-apply,
    .filter-dropdown,
    .filter-reset-button,
    .artifact-list-item,
    .annotation-close {
        transition-duration: 0.1s;
    }

    .start-button:hover {
        color: inherit;
        transform: none;
    }

    .start-button:hover::after {
        background: var(--color-dark);
    }

    #audio-toggle:hover,
    #music-toggle:hover,
    #share-button:hover {
        background: rgba(245, 240, 232, 0.95);
        transform: none;
        box-shadow: none;
    }

    #search-button:hover {
        background: var(--color-dark-94);
        transform: none;
        box-shadow: none;
    }

    #info-button:hover {
        background: rgba(245, 240, 232, 0.95);
        transform: none;
        box-shadow: none;
    }

    #ai-close-button:hover {
        background: var(--color-dark-94);
        border-color: rgba(255, 255, 255, 0.1);
        transform: none;
        box-shadow: var(--shadow-lg);
    }

    .ai-control-button:hover,
    .ai-control-button.active:hover {
        transform: none;
    }

    .suggested-question-button:hover {
        background: rgba(255, 255, 255, 0.8);
        border-color: rgba(0, 0, 0, 0.1);
        color: var(--color-dark);
        transform: none;
        box-shadow: none;
    }

    .suggested-question-button.mic-button:hover {
        background-color: var(--color-dark);
        border-color: var(--color-dark);
        color: var(--color-cream);
        transform: none;
    }

    .voice-modal-stop:hover {
        transform: none;
    }

    .voice-modal-cancel:hover {
        background: transparent;
        border-color: rgba(250, 248, 245, 0.4);
    }

    .instructions-tab:hover {
        color: var(--color-warm-gray);
    }

    .instructions-ok-button:hover {
        background: var(--color-dark);
        border-color: var(--color-dark);
        transform: none;
        box-shadow: none;
    }

    .instructions-feedback-button:hover {
        color: var(--color-warm-gray);
    }

    .hint-paper-button:hover {
        background: var(--color-dark);
        transform: none;
        box-shadow: none;
    }

    .discover-nav-close:hover {
        background: none;
    }

    .discover-nav-back:hover {
        background: none;
        border-color: #C9C4B8;
        color: #5A5549;
    }

    .discover-page-btn:hover:not(:disabled) {
        background: var(--color-dark-90);
        border-color: rgba(255, 255, 255, 0.1);
    }

    .discovery-option-button:hover {
        background: rgba(255, 255, 255, 0.6);
        border-color: var(--color-border);
        transform: none;
        box-shadow: none;
    }

    .discovery-option-button:hover .discovery-option-icon {
        transform: none;
    }

    .discovery-option-button:hover .discovery-option-text {
        color: var(--color-dark-hover);
    }

    .discovery-option-button:hover .discovery-option-desc {
        color: #6A6A6A;
    }

    .mobile-filter-button:hover {
        background: var(--color-dark-90);
        border-color: rgba(255, 255, 255, 0.1);
    }

    .mobile-filter-reset:hover {
        background: transparent;
    }

    .mobile-filter-apply:hover {
        background: var(--color-cream);
    }

    .filter-dropdown:hover {
        background: rgba(255, 255, 255, 0.08);
        border-color: rgba(255, 255, 255, 0.15);
    }

    .filter-reset-button:hover {
        background: transparent;
        border-color: rgba(255, 255, 255, 0.15);
        color: rgba(255, 255, 255, 0.5);
    }

    .artifact-list-item:hover {
        border-color: var(--color-dark);
        transform: none;
        box-shadow: none;
    }

    .annotation-close:hover {
        color: rgba(255, 255, 255, 0.7);
    }

    .annotation-close {
        padding: 15px;
        margin: -15px -15px -15px 0;
    }

    .catalogue-zoom-button:hover {
        background: var(--color-dark-90);
        transform: none;
        border-color: rgba(255, 255, 255, 0.1);
    }
        
    .catalogue-zoom-controls {
        bottom: 15px;
        left: 15px;
        gap: 8px;
    }
    
    .catalogue-zoom-button {
        width: 40px;
        height: 40px;
    }
    
    .catalogue-zoom-button img {
        width: 20px;
        height: 20px;
    }
}

/* ==========================================================================
   NON-RESPONSIVE COMPONENT STYLES
   ========================================================================== */

/* Artifact List View */
.artifact-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 0 2rem;
    margin: 0;
    flex: 1;
    overflow: hidden;
    align-content: start;
    padding-bottom: 10px;
}

.artifact-list-item {
    display: flex;
    gap: 16px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.6);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all var(--ease-fast);
    align-items: center;
}

.artifact-list-item:hover {
    border-color: var(--color-dark);
    background: rgba(255, 255, 255, 0.9);
    transform: translateX(4px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.artifact-list-thumbnail {
    width: 70px;
    height: 70px;
    flex-shrink: 0;
    border-radius: 6px;
    overflow: hidden;
    background: linear-gradient(135deg, #E8E3DA 0%, #DED8CC 100%);
    border: none;
}

.artifact-list-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.artifact-list-name {
    flex: 1;
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-dark);
    line-height: 1.35;
    letter-spacing: 0.01em;
}

/* Artifact Hover Tooltip (Desktop) */
.artifact-hover-tooltip {
    position: fixed;
    z-index: 5001;
    background: transparent;
    color: var(--color-dark);
    padding: 0;
    font-family: var(--font-serif);
    font-size: 18px;
    font-weight: 500;
    letter-spacing: 0.02em;
    line-height: 1.3;
    max-width: 280px;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    text-align: center;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.tooltip-title {
    /* Inherits serif 18px */
}

.tooltip-partner {
    font-family: var(--font-system);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wider);
    color: var(--color-warm-gray-mid);
}

.artifact-hover-tooltip.visible {
    opacity: 1;
    visibility: visible;
}

/* Mobile Artifact Labels Container - DISABLED: using tap-to-view instead */

/* Catalogue Zoom Controls */
.catalogue-zoom-controls {
    position: fixed;
    bottom: 100px;
    left: 30px;
    display: none;
    flex-direction: row;
    gap: 10px;
    z-index: 5100;
    opacity: 1;
    pointer-events: auto;
}

.catalogue-zoom-button {
    width: 48px;
    height: 48px;
    background: var(--color-dark-90);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--ease-fast);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.catalogue-zoom-button:hover {
    background: rgba(40, 40, 40, 0.95);
    transform: scale(1.05);
    border-color: rgba(255, 255, 255, 0.2);
}

.catalogue-zoom-button:active {
    transform: scale(0.95);
}

.catalogue-zoom-button:focus {
    outline: none;
}

.catalogue-zoom-button:focus-visible {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

.catalogue-zoom-button img {
    width: 24px;
    height: 24px;
    filter: invert(1);
    opacity: 0.9;
}

/* Catalogue Instructions - 100 Lost Species Style */
/* Bottom Floating Filter Bar - Compact Dropdown Style */
.catalogue-filter-bar {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 10px 20px;
    background: var(--color-dark-94);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: 40px;
    box-shadow: var(--shadow-lg);
    z-index: 5100;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}

.catalogue-visible .catalogue-filter-bar,
#catalogue-container.catalogue-visible ~ .catalogue-filter-bar {
    opacity: 1;
    visibility: visible;
}

/* Hide filter bar when guide message is showing */
.catalogue-filter-bar.guide-message-active {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

/* Hide mobile filter button when guide message is showing */
.mobile-filter-button.guide-message-active {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
}

.filter-dropdown-container {
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-dropdown-label {
    font-family: var(--font-system);
    font-size: 9px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-wide);
    color: rgba(255, 255, 255, 0.45);
}

.filter-dropdown {
    background: rgba(255, 255, 255, 0.08);
    color: var(--color-cream);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 7px 28px 7px 12px;
    font-family: var(--font-system);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns=%27http://www.w3.org/2000/svg%27 width=%2710%27 height=%2710%27 viewBox=%270 0 12 12%27%3E%3Cpath fill=%27%23FAF8F5%27 d=%27M6 8L2 4h8z%27/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    transition: all var(--ease-fast);
    min-width: 90px;
}

.filter-dropdown:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.3);
}

.filter-dropdown:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.15);
}

.filter-dropdown option {
    background: var(--color-dark);
    color: var(--color-cream);
    padding: 8px;
}

.filter-result-count {
    font-family: var(--font-system);
    font-size: 12px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
    letter-spacing: 0.02em;
    padding: 0 8px;
    border-left: 1px solid rgba(255, 255, 255, 0.15);
    min-width: 30px;
    text-align: center;
}

.filter-reset-button {
    background: transparent;
    color: rgba(255, 255, 255, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    padding: 7px 14px;
    font-family: var(--font-system);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: var(--tracking-normal);
    cursor: pointer;
    transition: all var(--ease-fast);
}

.filter-reset-button:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
    color: #fff;
}

/* ==========================================
   Catalogue No Results Overlay
   ========================================== */

.catalogue-no-results {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
    z-index: 10;
}

.catalogue-no-results.visible {
    opacity: 1;
    visibility: visible;
}

.catalogue-no-results-message {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: #000;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin: 0 0 0.8rem 0;
    text-align: center;
    padding: 0 2rem;
}

.catalogue-no-results-hint {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    font-weight: 400;
    color: rgba(0, 0, 0, 0.5);
    letter-spacing: 0.02em;
    margin: 0;
    text-align: center;
    padding: 0 2rem;
    max-width: 420px;
}


/* ==========================================
   Zone Labels - Size Category Indicators
   ========================================== */

/* Zone-specific styling */


/* Mobile adjustments */
@media (max-width: 1024px) {

    .catalogue-filter-bar {
        display: none !important;
    }

    .mobile-filter-button {
        display: flex !important;
    }
}

/* ==========================================
   Viewed Artifact Indicator
   ========================================== */

/* ==========================================
   Scale Reference Overlay
   ========================================== */

.scale-reference {
    pointer-events: none;
    user-select: none;
    display: flex;
    align-items: flex-end;
    justify-content: flex-start;
}

.scale-reference-inner {
    display: flex;
    align-items: flex-end;
    gap: 12px;
}

.scale-silhouette {
    display: block;
    width: auto;
    object-fit: contain;
    flex-shrink: 0;
    opacity: 1;
        filter: invert(1) drop-shadow(0 0 8px rgba(255, 255, 255, 0.2));
}

.scale-measurement {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    flex-shrink: 0;
}

.scale-measurement-cap {
    width: 16px;
    height: 3px;
    background: #1a1a1a;
    flex-shrink: 0;
    border-radius: 1px;
}

.scale-measurement-line {
    width: 3px;
    flex: 1;
    background: #1a1a1a;
    border-radius: 1px;
}

.human-scale .scale-measurement-cap,
.human-scale .scale-measurement-line {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 4px rgba(0, 0, 0, 0.3);
}

.scale-measurement-label {
    position: absolute;
    right: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    color: #1a1a1a;
    font-family: system-ui, -apple-system, sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    white-space: nowrap;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    background: rgba(255, 255, 255, 0.75);
    padding: 8px 4px;
    border-radius: 4px;
    backdrop-filter: blur(4px);
}

.scale-reference-width {
    justify-content: center;
}

.scale-measurement-horizontal {
    flex-direction: row;
    align-items: center;
    height: auto;
    width: 100px;
}

.scale-measurement-horizontal .scale-measurement-cap {
    width: 3px;
    height: 16px;
}

.scale-measurement-horizontal .scale-measurement-line {
    height: 3px;
    width: auto;
    flex: 1;
}

.scale-measurement-horizontal .scale-measurement-label {
    position: absolute;
    right: auto;
    top: auto;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    writing-mode: horizontal-tb;
    text-orientation: initial;
}

/* ==========================================
   Portrait Scale Overlay
   ========================================== */

.portrait-scale-label-bar {
    position: absolute;
    left: 0;
    right: 0;
    display: flex;
    justify-content: center;
    pointer-events: none;
    user-select: none;
    z-index: 95;
}

.portrait-scale-label {
    color: #1a1a1a;
    font-family: system-ui, -apple-system, sans-serif;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.8px;
    text-transform: uppercase;
    white-space: nowrap;
    background: rgba(255, 255, 255, 0.88);
    padding: 8px 16px;
    border-radius: 8px;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    line-height: 1;
    box-shadow: var(--shadow-sm);
}

/* ==========================================
   Annotation Hotspots
   ========================================== */

#annotation-layer {
    pointer-events: none;
}

.annotation-hotspot {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: default;
    pointer-events: none;
    touch-action: none;
    opacity: 0;
    transform: scale(0.5);
    transition: opacity 0.4s ease, transform 0.4s ease;
}

.annotation-hotspot.visible {
    pointer-events: none;
    opacity: 1;
    transform: scale(1);
}

.annotation-hotspot.visible .annotation-dot {
    cursor: pointer;
    pointer-events: auto;
}

.annotation-hotspot.expanded .annotation-label {
    pointer-events: auto;
    cursor: pointer;
}

.annotation-dot {
    width: 24px;
    height: 24px;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.85) 20%, rgba(0, 0, 0, 0) 70%);
    border: none;
    border-radius: 50%;
    box-shadow: none;
    position: relative;
}

@keyframes moving-painting-pulse {
    0%, 100% {
        opacity: 0.1;
        transform: scale(0.6);
    }
    50% {
        opacity: 1;
        transform: scale(1.5);
    }
}

.annotation-dot::before,
.annotation-dot::after {
    display: none;
}

.annotation-label {
    margin-top: 8px;
    padding: 8px 12px 8px 16px;
    background: rgba(26, 26, 26, 0.92);
    color: var(--color-cream);
    font-family: var(--font-system);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: 6px;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(-6px);
    transition: all 0.25s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 8px;
    max-width: calc(100vw - 40px);
}

.annotation-close {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 18px;
    line-height: 1;
    cursor: pointer;
    padding: 0 4px;
    margin: -4px -4px -4px 0;
    transition: color var(--ease-fast);
}

.annotation-close:hover {
    color: var(--color-white);
}

.annotation-hotspot.expanded .annotation-dot {
    width: 28px;
    height: 28px;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.9) 10%, rgba(0, 0, 0, 0) 70%);
    border: none;
    box-shadow: none;
    mix-blend-mode: normal;
    animation: none;
    opacity: 1;
    transform: scale(1);
}

.annotation-hotspot.expanded .annotation-dot::before {
    display: none;
}

.annotation-hotspot.expanded .annotation-label {
    opacity: 1;
    transform: translateY(0);
    background: var(--color-dark-94);
    color: var(--color-cream);
}

.annotation-hotspot.active .annotation-dot {
    width: 32px;
    height: 32px;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.9) 10%, rgba(0, 0, 0, 0) 70%);
    border: none;
    box-shadow: none;
    animation: annotation-pulse-active 1s ease-in-out infinite;
    mix-blend-mode: normal;
    opacity: 1;
}

@keyframes annotation-pulse-active {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.3);
    }
}

.annotation-hotspot.active .annotation-dot::before {
    display: none;
}

.annotation-hotspot.active .annotation-dot::after {
    display: none;
}

.annotation-hotspot.active .annotation-label {
    opacity: 1;
    transform: translateY(0);
    background: var(--color-dark-94);
    border-color: rgba(255, 255, 255, 0.15);
    color: var(--color-cream);
}

.annotation-hotspot.speaking .annotation-dot {
    width: 28px;
    height: 28px;
    background: radial-gradient(circle, rgba(33, 150, 243, 0.9) 10%, rgba(33, 150, 243, 0) 70%);
    border: none;
    box-shadow: none;
    animation: annotation-pulse-speaking 1s ease-out infinite;
    pointer-events: auto;
    mix-blend-mode: normal;
    opacity: 1;
}

@keyframes annotation-pulse-speaking {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.3);
    }
}

.annotation-hotspot.speaking .annotation-dot::after {
    animation: none;
    opacity: 0;
}

.annotation-hotspot.speaking .annotation-label {
    opacity: 0;
    pointer-events: none;
}

.annotation-hotspot.seen .annotation-dot {
    cursor: pointer;
    pointer-events: auto;
}

.annotation-hotspot.seen .annotation-label-text::before {
    content: '\2713\00a0';
    opacity: 0.7;
}

.annotation-hotspot.seen:not(.active) .annotation-dot {
    cursor: pointer;
    pointer-events: auto;
}

.annotation-hotspot.backfacing {
    opacity: 0;
    pointer-events: none !important;
    cursor: default;
}

.annotation-hotspot.backfacing .annotation-dot,
.annotation-hotspot.backfacing .annotation-label {
    pointer-events: none !important;
    cursor: default;
}



/* Mobile Performance Optimizations */
@media (max-width: 1024px) {
    .catalogue-header, 
    .mobile-filter-button,
    .mobile-filter-modal,
    #ai-controls,
    .search-overlay {
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        background-color: rgba(26, 26, 26, 0.98) !important;
    }

    .catalogue-header {
        background-color: rgba(232, 227, 219, 0.98) !important;
    }
}

/* --------------------------------------------------------------------------
   MOBILE LANDSCAPE - Comprehensive Responsive Overrides
   Targets iPhone SE and small devices in landscape orientation.
   Placed at the end of the stylesheet to win over portrait overrides in cascade.
   -------------------------------------------------------------------------- */
@media (max-height: 500px) and (orientation: landscape) {

    /* --- Navigation Menu & Catalogue Header --- */
    .catalogue-header {
        top: 0 !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: flex-start !important;
        padding: 8px 16px !important;
        min-height: auto !important;
        gap: 14px !important;
    }

    .header-left-section {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        gap: 14px !important;
        max-width: calc(100vw - 320px) !important;
        overflow: hidden !important;
    }

    .header-title-container {
        display: flex !important;
        flex-direction: column !important;
        gap: 1px !important;
        min-width: 0 !important;
        overflow: hidden !important;
    }

    .catalogue-title,
    .museum-title {
        font-size: 1.05rem !important;
        line-height: 1.2 !important;
        margin: 0 !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
    }

    .catalogue-header-instructions {
        font-size: 8.5px !important;
        margin-top: 1px !important;
        white-space: nowrap !important;
        overflow: hidden !important;
        text-overflow: ellipsis !important;
        letter-spacing: 0.04em !important;
    }

    /* Top Navigation Buttons */
    #audio-toggle,
    #music-toggle,
    #share-button,
    #info-button,
    #search-button {
        top: 8px !important;
        width: 42px !important;
        height: 42px !important;
        z-index: 5100 !important;
    }

    #search-button {
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2) !important;
    }

    #search-button img,
    #info-button img,
    #info-icon,
    #audio-toggle img,
    #music-toggle img,
    #share-button img {
        width: 24px !important;
        height: 24px !important;
    }

    .catalogue-filter-bar {
        display: none !important;
    }

    .mobile-filter-button {
        display: flex !important;
        bottom: 12px !important;
    }

    /* --- Three-Way Overlays (Explore, Interact, Converse) --- */
    .hint-paper-card {
        max-width: 92vw !important;
        width: 92vw !important;
        max-height: 94vh !important;
        max-height: 94dvh !important;
        overflow-y: auto !important;
    }

    .hint-paper-content {
        padding: 12px 18px !important;
    }

    .hint-paper-header {
        margin-bottom: 6px !important;
    }

    .hint-paper-ornament {
        margin-bottom: 2px !important;
        font-size: 0.75rem !important;
    }

    .hint-paper-title {
        font-size: 1.1rem !important;
        margin: 0 0 4px 0 !important;
    }

    .hint-paper-divider {
        width: 40px !important;
        margin: 0 auto !important;
    }

    .hint-paper-features {
        display: flex !important;
        flex-direction: row !important;
        gap: 8px !important;
        margin-bottom: 10px !important;
    }

    .hint-paper-feature {
        flex: 1 !important;
        flex-direction: column !important;
        text-align: center !important;
        padding: 6px 4px !important;
        gap: 4px !important;
    }

    .hint-feature-demo {
        width: 38px !important;
        height: 38px !important;
        margin: 0 auto !important;
    }

    .hint-feature-text {
        align-items: center !important;
    }

    .hint-feature-text strong {
        font-size: 0.65rem !important;
    }

    .hint-feature-text span {
        font-size: 0.72rem !important;
        line-height: 1.2 !important;
    }

    .hint-demo-artifact-large {
        font-size: 1rem !important;
    }

    .hint-demo-artifact-speak {
        font-size: 0.95rem !important;
    }

    .hint-demo-artifacts {
        font-size: 0.8rem !important;
    }

    .hint-paper-button {
        padding: 7px 22px !important;
        font-size: 0.72rem !important;
    }

    /* --- Discover Modal --- */
    .search-overlay {
        align-items: stretch !important;
        padding: 0 !important;
    }

    .search-panel {
        max-height: 100vh !important;
        max-height: 100dvh !important;
        height: 100vh !important;
        height: 100dvh !important;
        max-width: 100vw !important;
        width: 100vw !important;
        border-radius: 0 !important;
        overflow: hidden !important;
        padding: 0 !important;
        display: flex !important;
        flex-direction: column !important;
    }

    .discover-nav-header {
        padding: 0.3rem 0.75rem 0 !important;
    }

    .discover-title {
        font-size: 0.95rem !important;
        padding: 0.15rem 1rem 0 1rem !important;
    }

    .discover-subtitle {
        font-size: 0.6rem !important;
        padding: 0 1rem 0.2rem 1rem !important;
    }

    .discover-search-container {
        padding: 0 1rem 0.2rem 1rem !important;
    }

    .discover-search-input {
        padding: 5px 10px !important;
        font-size: 0.75rem !important;
    }

    .discovery-options-grid {
        grid-template-columns: repeat(4, 1fr) !important;
        gap: 0.35rem !important;
        padding: 0 1rem !important;
        margin-bottom: 0.3rem !important;
    }

    .discovery-option-button {
        padding: 0.4rem 0.35rem !important;
        min-height: auto !important;
        height: auto !important;
        gap: 2px !important;
        justify-content: center !important;
    }

    .discovery-option-icon {
        font-size: 1.3rem !important;
    }

    .discovery-option-text {
        font-size: 0.55rem !important;
    }

    .discovery-option-desc {
        display: none !important;
    }

    .discover-footer {
        padding: 0.25rem 1rem !important;
        gap: 0.25rem !important;
    }

    .discover-pagination {
        gap: 1rem !important;
    }

    .discover-page-btn {
        width: 30px !important;
        height: 30px !important;
        font-size: 12px !important;
    }

    .discover-page-info {
        font-size: 10px !important;
    }

    .discover-nav-close {
        width: 28px !important;
        height: 28px !important;
    }

    .discover-nav-back {
        min-height: 28px !important;
        padding: 4px 10px !important;
        font-size: 0.65rem !important;
    }

    .discover-search-results {
        max-height: none !important;
        flex: 1 !important;
        overflow-y: auto !important;
    }

    .discover-count {
        font-size: 0.6rem !important;
        padding: 0 1rem 0.15rem 1rem !important;
    }

    .artifact-list {
        gap: 0.35rem !important;
        padding-bottom: 0 !important;
    }

    .artifact-list-item {
        padding: 5px 8px !important;
        gap: 8px !important;
    }

    .artifact-list-thumbnail {
        width: 40px !important;
        height: 40px !important;
    }

    .artifact-list-name {
        font-size: 0.78rem !important;
    }

                .instructions-header {
                    padding: 6px 12px 0 12px !important;
    }

                .instructions-scroll-container {
                    height: calc(100vh - 40px) !important;
                    height: calc(100dvh - 40px) !important;
                    padding: 10px 12px 24px 12px !important;
    }

    .instructions-tab {
        padding: 4px 8px !important;
            font-size: 10px !important;
    }

                .instructions-close-button {
                    width: 26px !important;
                    height: 26px !important;
                    margin-bottom: 2px !important;
                }
        
                .instructions-content.instructions-tab-content.active {
        gap: 6px !important;
    }

    .instructions-title {
        margin: 0 0 4px 0 !important;
        font-size: 1.05rem !important;
    }

    .about-text {
        font-size: 12px !important;
        line-height: 1.45 !important;
        margin: 0 !important;
    }

    .ai-disclaimer {
        padding-top: 4px !important;
    }

    .ai-disclaimer p {
        font-size: 9.5px !important;
    }

    .controls-section {
        gap: 5px !important;
        padding: 8px 10px !important;
    }

    .controls-section-title {
        font-size: 0.9rem !important;
        margin: 0 0 3px 0 !important;
    }

    #instructions-panel .hint-action {
        font-size: 12px !important;
    }

    .instructions-ok-button {
        padding: 7px 20px !important;
        font-size: 10.5px !important;
        margin-top: 4px !important;
    }

    /* --- Mobile Filter Modal --- */
    .mobile-filter-modal {
        top: 0 !important;
        bottom: 0 !important;
        border-radius: 0 !important;
        padding: 8px 14px !important;
        overflow-y: auto !important;
        max-height: 100vh !important;
        max-height: 100dvh !important;
        display: flex !important;
        flex-direction: column !important;
    }

    .mobile-filter-modal.visible {
        display: flex !important;
    }

    .mobile-filter-modal-header {
        margin-bottom: 6px !important;
        padding-bottom: 4px !important;
    }

    .mobile-filter-modal-title {
        font-size: 11px !important;
    }

    .mobile-filter-modal-close {
        font-size: 18px !important;
    }

    .mobile-filter-modal-body {
        gap: 5px !important;
        flex: 1 !important;
    }

    .mobile-filter-row {
        gap: 2px !important;
    }

    .mobile-filter-label {
        font-size: 8px !important;
    }

    .mobile-filter-select {
        padding: 6px 10px !important;
        font-size: 12px !important;
        border-radius: 6px !important;
    }

    .mobile-filter-modal-footer {
        margin-top: 6px !important;
        padding-top: 4px !important;
        gap: 6px !important;
    }

    .mobile-filter-reset,
    .mobile-filter-apply {
        padding: 8px 12px !important;
        font-size: 10px !important;
        border-radius: 6px !important;
    }

    /* --- Scene Panels (Questions, Transcript, Placard) --- */
    #ai-speaking-indicator {
        bottom: 60px !important;
        font-size: 9.5px !important;
        padding: 5px 10px !important;
    }

    .ai-speaking-label {
        padding: 2px 5px !important;
        font-size: 6.5px !important;
        top: -7px !important;
    }

    .sound-bars {
        height: 10px !important;
        margin-right: 5px !important;
    }

    #ai-controls {
        bottom: 6px !important;
        padding: 5px 6px !important;
        gap: 5px !important;
    }

    .ai-control-button {
        width: 32px !important;
        height: 32px !important;
        min-width: 32px !important;
    }

    .ai-control-button img {
        width: 15px !important;
        height: 15px !important;
    }

    .ai-control-button-label {
        font-size: 6.5px !important;
    }

    #ai-close-button {
        top: 8px !important;
        left: 8px !important;
        padding: 4px 8px !important;
    }

    #ai-close-button img {
        width: 14px !important;
        height: 14px !important;
    }

    #ai-suggested-questions {
        width: 60% !important;
        max-width: 480px !important;
        padding: 10px !important;
        gap: 5px !important;
        top: 50% !important;
        bottom: auto !important;
        left: 50% !important;
        right: auto !important;
        transform: translate(-50%, -50%) !important;
    }

    #ai-suggested-questions.visible {
        transform: translate(-50%, -50%) !important;
    }

    .suggested-question-button {
        font-size: 12px !important;
        padding: 7px 12px !important;
        line-height: 1.25 !important;
        border-radius: 12px !important;
    }

    .suggested-question-button.mic-button {
        padding: 8px 14px !important;
        font-size: 11px !important;
    }

    #ai-transcript-panel {
        width: 45% !important;
        max-width: 360px !important;
        max-height: 60vh !important;
        padding: 8px 10px !important;
        top: 50% !important;
        bottom: auto !important;
        left: 50% !important;
        right: auto !important;
        transform: translate(-50%, -50%) !important;
        border-radius: 10px !important;
    }

    #ai-transcript-panel.visible {
        transform: translate(-50%, -50%) !important;
    }

    #transcript-content {
        font-size: 11.5px !important;
        line-height: 1.35 !important;
    }

    #transcript-content h3 {
        font-size: 11.5px !important;
        padding-bottom: 3px !important;
        margin-bottom: 5px !important;
    }

    #transcript-content p {
        margin: 0 0 3px 0 !important;
    }

    .transcript-entry {
        margin-bottom: 6px !important;
    }

    .transcript-entry p {
        font-size: 12px !important;
        line-height: 1.35 !important;
    }

    .transcript-entry strong {
        font-size: 8.5px !important;
        margin-bottom: 2px !important;
    }

    .transcript-entry.current {
        padding: 5px 7px !important;
    }

    .combined-mobile-panel {
        max-height: 55vh !important;
        padding: 10px 12px !important;
        min-width: 200px !important;
        max-width: 70% !important;
    }

    .placard-title {
        font-size: 1.05rem !important;
        margin: 0 0 3px 0 !important;
    }

    .placard-subtitle {
        font-size: 0.68rem !important;
        margin: 0 0 5px 0 !important;
    }

    .placard-description {
        font-size: 0.72rem !important;
        margin: 0 0 6px 0 !important;
        line-height: 1.35 !important;
    }

    .placard-footer {
        padding-top: 6px !important;
        gap: 3px !important;
    }

    .placard-partner-logo {
        height: 18px !important;
    }

    .placard-partner-name {
        font-size: 0.62rem !important;
    }

    .placard-partner-label {
        font-size: 0.48rem !important;
    }
}