/* Fonts and Theme are now dynamically injected by js/script.js via data.json */

/* Define Minecraft-like CSS Variables */
:root {
    --mc-bg-color: #c6c6c6;       /* Classic Minecraft GUI gray */
    --mc-border-light: #ffffff;   /* Highlight border */
    --mc-border-dark: #555555;    /* Shadow border */
    --mc-text-dark: #3f3f3f;      /* Dark text color for GUI */
    --mc-text-light: #ffffff;     /* Light text color */
    
    /* Font Families */
    --font-title: 'MinecraftTitle', sans-serif;
    --font-body: 'MinecraftBody', sans-serif;
}

body {
    margin: 0;
    padding: 0;
    --s: 150px; /* control the size - slightly reduced to look better as a background */
}

/* Global Loader Screen */
.global-loader {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background-color: #222222;
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: sans-serif;
    font-size: 2rem;
    font-weight: bold;
    color: #ffffff;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

body.theme-loaded .global-loader {
    opacity: 0;
    visibility: hidden;
}

body {
    --c1: #255917;
    --c2: #386600;
    --c3: #3b9834;
    
    background:
      repeating-conic-gradient(from 30deg,#0000 0 120deg,var(--c3) 0 50%) 
       calc(var(--s)/2) calc(var(--s)*tan(30deg)/2),
      repeating-conic-gradient(from 30deg,var(--c1) 0 60deg,var(--c2) 0 120deg,var(--c3) 0 50%);
    background-size: var(--s) calc(var(--s)*tan(30deg));
    background-attachment: fixed; /* Creates the parallax scrolling effect */
    /* The footer and banner have their own opaque backgrounds, so this naturally acts as the main body background */
    color: var(--mc-text-dark);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.4;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header with background Banner */
.banner {
    width: 100%;
    height: 200px; /* Increased height for better banner visibility */
    background-size: cover;
    background-position: center;
    background-color: #444444; /* Fallback for missing/loading image */
    position: relative;
    border-bottom: 4px solid var(--mc-border-dark);
    flex-shrink: 0;
}

/* Title text with Minecraft shadow style */
.banner h1 {
    position: absolute;
    bottom: 10px;
    left: 30px;
    margin: 0;
    color: #ffaa00; /* Gold color */
    text-shadow: 3px 3px 0 #3f3f3f;
    font-family: var(--font-title);
    font-size: 2.5rem;
}

.header-actions {
    position: absolute;
    top: 20px;
    right: 30px;
    display: flex;
    gap: 10px;
    align-items: stretch;
}

.header-action {
    min-width: 130px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.ai-status-indicator {
    width: 12px;
    height: 12px;
    border: 2px solid var(--mc-border-light);
    border-radius: 50%;
    box-shadow: 1px 1px 0 rgba(0, 0, 0, 0.45);
}

.ai-status-indicator.is-unconfigured { background-color: #777777; }
.ai-status-indicator.is-configured { background-color: #ffaa00; }
.ai-status-indicator.is-verified { background-color: #55cc55; }
.ai-status-indicator.is-error { background-color: #ff5555; }

.chat-title-with-status {
    display: flex;
    align-items: center;
    gap: 8px;
}

.connection-status {
    min-height: 1.4em;
    margin: 12px 0 0;
    font-size: 0.85rem;
}

.connection-status.is-success { color: #55aa55; }
.connection-status.is-error { color: #cc3333; }
.connection-status.is-testing { color: var(--mc-text-dark); }

.byok-storage-note {
    margin-top: 0;
    color: var(--mc-text-dark);
    font-size: 0.9rem;
    opacity: 0.8;
}

.settings-storage-option {
    display: flex;
    align-items: flex-start;
    gap: 8px;
    margin-top: 16px;
    color: var(--mc-text-dark);
    cursor: pointer;
}

.settings-storage-option input {
    flex: 0 0 auto;
    margin-top: 3px;
    accent-color: #55aa55;
}

.settings-storage-help {
    margin: 5px 0 0 24px;
    color: #777777;
    font-size: 0.78rem;
    line-height: 1.35;
}

/* Main Grid Container - 2 Columns */
.container {
    max-width: 1400px;
    margin: 15px auto;
    padding: 0 15px;
    display: grid;
    grid-template-columns: 1.5fr 1fr; /* Left: 3D model (60%), Right: Info/Gallery (40%) */
    grid-template-rows: auto 1fr;
    gap: 15px;
    flex-grow: 1;
    width: 100%;
    box-sizing: border-box;
}

.viewer-section {
    grid-column: 1 / 2;
    grid-row: 1 / 3; /* Spans across both rows */
    display: flex;
    flex-direction: column;
}

.info-section {
    grid-column: 2 / 3;
    grid-row: 1 / 2;
}

.gallery-section {
    grid-column: 2 / 3;
    grid-row: 2 / 3;
    display: flex;
    flex-direction: column;
    min-height: 0;
}

/* Minecraft GUI Panel Style */
.panel {
    background-color: var(--mc-bg-color);
    border: 4px solid;
    border-top-color: var(--mc-border-light);
    border-left-color: var(--mc-border-light);
    border-bottom-color: var(--mc-border-dark);
    border-right-color: var(--mc-border-dark);
    padding: 15px;
    box-shadow: inset -2px -2px 0px rgba(0,0,0,0.15), inset 2px 2px 0px rgba(255,255,255,0.5);
    display: flex;
    flex-direction: column;
    height: 100%;
    box-sizing: border-box;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--mc-border-dark);
    padding-bottom: 5px;
    margin-bottom: 15px;
}
.panel-header h2 {
    font-family: var(--font-title);
    margin: 0;
    padding: 0;
    color: var(--mc-text-dark);
    font-size: 1.4rem;
    border-bottom: none;
}
.panel-content {
    /* No generic padding by default, theme can override */
}

/* 3D Model Container */
.model-container {
    width: 100%;
    flex-grow: 1; /* Expand to fill the left panel height */
    min-height: 420px; /* Compressed height */
    background-color: #111; /* Dark background */
    border: 4px solid;
    /* Inverted borders to look like a sunken slot */
    border-top-color: var(--mc-border-dark);
    border-left-color: var(--mc-border-dark);
    border-bottom-color: var(--mc-border-light);
    border-right-color: var(--mc-border-light);
    
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    transition: background-image 0.3s ease;
    position: relative;
}

.model-container.with-skybox {
    background-image: url('../img/Minecraft-Skybox.png');
}

model-viewer {
    width: 100%;
    height: 100%;
    --poster-color: transparent;
}

/* Custom Model Loading Poster */
.model-poster {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    background-color: rgba(17, 17, 17, 0.85); /* Dark semi-transparent overlay */
}

.poster-text {
    font-family: var(--font-body);
    font-size: 1.2rem;
    color: #55ff55; /* Minecraft Green */
    text-shadow: 2px 2px 0 #000;
}

/* Gallery Grid */
.gallery-section .panel,
.gallery-section .panel-content {
    min-height: 0;
}

.gallery-section .panel-content {
    display: flex;
    flex: 1;
    flex-direction: column;
}

.gallery-grid {
    display: flex;
    flex: 1;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    min-height: 0;
    /* Grow on taller displays without letting the gallery stretch the whole page. */
    max-height: clamp(340px, 42vh, 560px);
    overflow-y: auto;
    padding-right: 10px; /* Space for scrollbar */
    box-sizing: border-box;
}

.gallery-group {
    display: grid;
    flex: 0 0 auto;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.gallery-total {
    padding: 3px 7px;
    border: 2px solid var(--mc-border-dark);
    color: var(--mc-text-dark);
    font-size: 0.8rem;
    white-space: nowrap;
}

.gallery-group-header {
    grid-column: 1 / -1;
    padding-bottom: 6px;
    border-bottom: 2px solid var(--mc-border-dark);
}

.gallery-group-header h3 {
    margin: 0;
    color: var(--mc-text-dark);
    font-family: var(--font-title);
    font-size: 1rem;
}

.gallery-group-header p {
    margin: 4px 0 0;
    color: var(--mc-text-dark);
    font-size: 0.75rem;
}

/* Custom Minecraft Scrollbar */
.gallery-grid::-webkit-scrollbar {
    width: 14px;
}
.gallery-grid::-webkit-scrollbar-track {
    background: #111; 
    border: 2px solid var(--mc-border-dark);
}
.gallery-grid::-webkit-scrollbar-thumb {
    background: #8b8b8b; 
    border: 2px solid;
    border-top-color: var(--mc-border-light);
    border-left-color: var(--mc-border-light);
    border-bottom-color: var(--mc-border-dark);
    border-right-color: var(--mc-border-dark);
}

/* Gallery Item / Button Style */
.gallery-item {
    cursor: pointer;
    background-color: #8b8b8b; /* Slightly darker than GUI base */
    border: 3px solid;
    border-top-color: var(--mc-border-light);
    border-left-color: var(--mc-border-light);
    border-bottom-color: var(--mc-border-dark);
    border-right-color: var(--mc-border-dark);
    padding: 5px;
    transition: transform 0.1s, border-color 0.1s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    font-family: var(--font-body);
    text-align: inherit;
}

.gallery-item:hover {
    background-color: #9c9c9c;
}

.gallery-item:active {
    border-top-color: var(--mc-border-dark);
    border-left-color: var(--mc-border-dark);
    border-bottom-color: var(--mc-border-light);
    border-right-color: var(--mc-border-light);
}

.gallery-item img {
    width: 100%;
    height: 100px;
    object-fit: contain;
    display: block;
    image-rendering: pixelated; /* Keeps pixel art crisp */
    background-color: #2b2b2b;
    border: 2px solid var(--mc-border-dark);
}

.gallery-label {
    text-align: center;
    margin-top: 5px;
    font-size: 0.85rem;
    color: var(--mc-text-light);
    text-shadow: 1px 1px 0 #3f3f3f;
}

/* Modal styling for zooming into images */
.modal {
    display: none; 
    position: fixed; 
    z-index: 1000; 
    left: 0;
    top: 0;
    width: 100%; 
    height: 100%; 
    overflow: auto; 
    background-color: rgba(0,0,0,0.85); 
}

.modal-image-stage {
    position: relative;
    display: flex;
    align-items: center;
    width: fit-content;
    max-width: calc(100% - 120px);
    margin: 5vh auto 0;
}

.modal-content {
    margin: auto;
    display: block;
    max-width: 100%;
    max-height: 60vh;
    image-rendering: pixelated; /* Crisp pixel scaling */
    border: 4px solid var(--mc-bg-color);
}

.modal-image-stage .modal-content {
    margin: 0;
}

#modal-caption {
    margin: auto;
    display: block;
    width: 80%;
    text-align: center;
    color: var(--mc-text-light);
    padding: 15px 0;
    font-size: 1.5rem;
    font-family: var(--font-title);
    text-shadow: 2px 2px 0 #000;
}

.modal-desc {
    font-size: 0.6em; /* Scales relative to the 1.5rem parent */
    color: #cccccc;
    font-family: var(--font-body);
    line-height: 1.6;
    display: inline-block;
    margin-top: 10px;
    text-shadow: 1px 1px 0 #000;
}

.modal-meta {
    margin: 10px auto 0;
    width: 80%;
    text-align: center;
    color: #dddddd;
    font-size: 0.85rem;
    font-family: var(--font-body);
}

.modal-nav-btn {
    position: absolute;
    top: 50%;
    z-index: 1001;
    min-width: 42px;
    padding: 8px 10px;
    font-size: 1.5rem;
    transform: translateY(-50%);
    transition: transform 0.15s ease, background-color 0.15s ease;
}

.modal-nav-btn:disabled {
    cursor: not-allowed;
    opacity: 0.4;
}

.modal-nav-btn:not(:disabled):hover {
    transform: translateY(-50%) scale(1.08);
}

.modal-prev { right: calc(100% + 12px); }
.modal-next { left: calc(100% + 12px); }

@media (max-width: 600px) {
    .modal-image-stage {
        max-width: calc(100% - 32px);
    }

    .modal-nav-btn {
        background-color: rgba(70, 70, 70, 0.92);
    }

    .modal-prev { left: 8px; right: auto; }
    .modal-next { right: 8px; left: auto; }
}

/* Hotspot details sit over the viewer, preserving the page's one-screen layout. */
.hotspot-info-card {
    position: absolute;
    z-index: 5;
    right: 16px;
    bottom: 16px;
    width: min(300px, calc(100% - 32px));
    padding: 14px 38px 14px 14px;
    box-sizing: border-box;
    background-color: var(--mc-bg-color);
    border: 3px solid;
    border-top-color: var(--mc-border-light);
    border-left-color: var(--mc-border-light);
    border-bottom-color: var(--mc-border-dark);
    border-right-color: var(--mc-border-dark);
    box-shadow: 3px 3px 0 rgba(0, 0, 0, 0.35);
}

.hotspot-info-card.hidden {
    display: none;
}

.hotspot-info-card h3 {
    margin: 0 0 8px;
    color: var(--mc-text-dark);
    font-family: var(--font-title);
    font-size: 1.05rem;
}

.hotspot-info-card p {
    margin: 0 0 12px;
    color: var(--mc-text-dark);
    font-size: 0.9rem;
}

.hotspot-card-close {
    position: absolute;
    top: 5px;
    right: 8px;
    border: 0;
    background: transparent;
    color: var(--mc-text-dark);
    cursor: pointer;
    font-size: 1.5rem;
    line-height: 1;
}

/* Onboarding is a viewport overlay, not a layout panel. */
.onboarding-panel {
    width: min(520px, calc(100% - 32px));
    height: auto;
    max-height: 80vh;
    overflow-y: auto;
    image-rendering: auto;
}

.onboarding-panel .panel-content {
    color: var(--mc-text-dark);
}

.onboarding-steps {
    margin: 14px 0 20px;
    padding-left: 24px;
}

.onboarding-steps li {
    margin: 10px 0;
}

.onboarding-actions {
    display: flex;
    justify-content: flex-end;
}

.close-btn {
    position: absolute;
    top: 20px;
    right: 40px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
    font-family: var(--font-title);
    transition: color 0.2s;
    border: 0;
    background: transparent;
}

.close-btn:hover,
.close-btn:focus {
    color: #ff5555;
    text-decoration: none;
}

/* Footer Style */
.footer {
    text-align: center;
    padding: 20px;
    background-color: #1a1a1a;
    border-top: 4px solid var(--mc-border-dark);
    color: #8b8b8b;
    font-size: 0.9rem;
    margin-top: 20px;
}

a.link {
    color: #ffaa00; /* Gold color */
    text-decoration: none;
    font-weight: bold;
    transition: color 0.2s;
}

a.link:hover {
    color: #ffffff;
    text-decoration: underline;
}

/* Responsive Layout */
@media (max-width: 900px) {
    .container {
        grid-template-columns: 1fr;
    }
    .viewer-section {
        grid-row: 1 / 2;
        grid-column: 1 / 2;
    }
    .info-section {
        grid-row: 2 / 3;
        grid-column: 1 / 2;
    }
    .gallery-section {
        grid-row: 3 / 4;
        grid-column: 1 / 2;
    }

    .gallery-group {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    }

    .banner h1 {
        font-size: 1.8rem;
        left: 15px;
    }

    .header-actions {
        right: 15px;
        gap: 6px;
    }

    .header-action {
        min-width: 0;
        padding: 8px 10px;
        font-size: 0.85rem;
    }

    .ai-status-indicator {
        width: 10px;
        height: 10px;
    }
}

@media (max-width: 520px) {
    .gallery-group {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 340px) {
    .gallery-group {
        grid-template-columns: 1fr;
    }
}

/* --- Interactive UI Elements --- */
.mc-button {
    background-color: #8b8b8b;
    border: 3px solid;
    border-top-color: var(--mc-border-light);
    border-left-color: var(--mc-border-light);
    border-bottom-color: var(--mc-border-dark);
    border-right-color: var(--mc-border-dark);
    color: var(--mc-text-light);
    font-family: var(--font-body);
    padding: 8px 15px;
    cursor: pointer;
    font-size: 1rem;
    text-shadow: 1px 1px 0 #3f3f3f;
    transition: background-color 0.1s;
}

.mc-button:hover {
    background-color: #9c9c9c;
}

.mc-button:active {
    border-top-color: var(--mc-border-dark);
    border-left-color: var(--mc-border-dark);
    border-bottom-color: var(--mc-border-light);
    border-right-color: var(--mc-border-light);
}

.danger-btn:hover {
    background-color: #ff5555 !important;
    color: white !important;
}

.mc-input {
    background-color: #111;
    border: 2px solid var(--mc-border-dark);
    color: #fff;
    font-family: var(--font-body);
    padding: 10px;
    width: 100%;
    box-sizing: border-box;
    font-size: 1rem;
}

.chat-message {
    padding: 8px 12px;
    border-radius: 4px;
    max-width: 90%;
    word-wrap: break-word;
    font-size: 0.95rem;
}

/* Markdown Specific Styles for AI Messages */
.markdown-body p {
    margin: 5px 0;
}
.markdown-body ul, .markdown-body ol {
    margin: 5px 0;
    padding-left: 20px;
}
.markdown-body code {
    background-color: rgba(0,0,0,0.1);
    padding: 2px 4px;
    border-radius: 3px;
    font-family: monospace;
}
.markdown-body pre {
    background-color: #2b2b2b;
    color: #a9b7c6;
    padding: 10px;
    border-radius: 5px;
    overflow-x: auto;
    margin: 10px 0;
}
.markdown-body strong {
    color: #ffaa00; /* Minecraft Gold for emphasis */
}

.mc-input:focus {
    outline: 2px solid var(--mc-border-light);
}

/* --- AI Floating Widget --- */
#ai-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    pointer-events: none; /* Prevent the invisible flex container from blocking clicks behind it */
}

#ai-widget > * {
    pointer-events: auto; /* Re-enable clicks for the actual widgets */
}

.ai-chat-btn {
    --ai-icon-half-width: 80px;
    position: relative;
    appearance: none;
    padding: 0;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    cursor: pointer;
    transition: transform 0.2s;
    margin-top: 15px;
}

.ai-chat-btn:hover,
.ai-chat-btn:focus-visible {
    transform: scale(1.1);
}

.ai-chat-btn:focus-visible {
    outline: 3px solid var(--mc-border-light);
    outline-offset: 4px;
}

.flipped-ghast {
    width: 160px;
    height: auto;
    transform: scaleX(-1);
    image-rendering: pixelated;
    display: block;
    filter: drop-shadow(2px 4px 6px rgba(0,0,0,0.5));
}

.gallery-label {
    margin-top: 8px;
    font-weight: bold;
    color: var(--mc-text-light);
    text-align: center;
    font-size: 0.9rem;
}

/* Global Floating Tooltip */
.mc-tooltip {
    position: fixed;
    pointer-events: none;
    background: rgba(17, 17, 17, 0.95);
    color: #ddd;
    padding: 8px 12px;
    font-size: 0.8rem;
    border: 2px solid var(--mc-border-dark);
    max-width: 200px;
    z-index: 9999;
    line-height: 1.3;
}
.mc-tooltip.hidden {
    display: none;
}

.tooltip {
    visibility: hidden;
    width: 190px;
    max-width: calc(100vw - 40px);
    box-sizing: border-box;
    background-color: var(--mc-bg-color);
    color: var(--mc-text-dark);
    text-align: center;
    border: 3px solid var(--mc-border-dark);
    padding: 5px;
    position: absolute;
    z-index: 1;
    bottom: 100%;
    right: 0;
    left: auto;
    margin-bottom: 10px;
    font-family: var(--font-body);
    font-size: 0.8rem;
    overflow-wrap: anywhere;
    box-shadow: 2px 2px 0 rgba(0,0,0,0.5);
    opacity: 0;
    transition: opacity 0.3s;
}

.ai-chat-tooltip-label {
    display: block;
}

.ai-tooltip-status {
    display: block;
    margin-top: 5px;
    font-size: 0.8em;
    font-weight: bold;
}

.ai-tooltip-status.is-unconfigured { color: #dddddd; }
.ai-tooltip-status.is-configured { color: #ffcc55; }
.ai-tooltip-status.is-verified { color: #55dd55; }
.ai-tooltip-status.is-error { color: #ff7777; }

.tooltip::after {
    content: "";
    position: absolute;
    top: 100%;
    right: calc(var(--ai-icon-half-width) - 5px);
    border-width: 5px;
    border-style: solid;
    border-color: var(--mc-border-dark) transparent transparent transparent;
}

.ai-chat-btn:hover .tooltip,
.ai-chat-btn:focus-visible .tooltip {
    visibility: visible;
    opacity: 1;
}

/* Updated Chat UI for Floating Panel */
.chat-panel {
    width: 400px;
    height: 500px; /* Fixed height */
    display: flex;
    flex-direction: column;
    box-shadow: 4px 4px 15px rgba(0,0,0,0.7);
    transition: opacity 0.3s, transform 0.3s;
    transform-origin: bottom right;
}

.chat-panel.hidden {
    opacity: 0;
    transform: scale(0.8);
    pointer-events: none;
    visibility: hidden; /* completely removes it from accessibility and pointer hit-testing while keeping layout/transitions */
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid var(--mc-border-dark);
    padding-bottom: 5px;
    margin-bottom: 10px;
}

.chat-header h2 {
    color: var(--mc-text-dark);
    font-family: var(--font-title);
    font-size: 1.2rem;
}

.chat-header .close-btn {
    color: var(--mc-text-dark);
    cursor: pointer;
    font-size: 1.5rem;
}
.chat-header .close-btn:hover {
    color: #ff5555;
}

.chat-history {
    flex-grow: 1;
    background-color: #111;
    border: 2px solid;
    border-top-color: var(--mc-border-dark);
    border-left-color: var(--mc-border-dark);
    border-bottom-color: var(--mc-border-light);
    border-right-color: var(--mc-border-light);
    overflow-y: auto;
    padding: 12px;
    margin-bottom: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-message {
    font-size: 0.95rem;
    word-wrap: break-word;
    line-height: 1.5;
}

.ai-message {
    color: #55ff55; /* Minecraft green for positive/systemic text */
}

.user-message {
    color: #ffffff;
}

.system-message {
    color: #ff5555; /* Minecraft red for errors or alerts */
    font-style: italic;
}

.chat-input-container {
    display: flex;
    gap: 10px;
}

/* Shows the single gallery or hotspot context used for follow-up questions. */
.active-context {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    margin: 0 15px 10px;
    padding: 6px 8px;
    background-color: #333333;
    border: 2px solid var(--mc-border-dark);
    color: #ffffff;
    font-size: 0.8rem;
}

.active-context.hidden {
    display: none;
}

.active-context-clear {
    border: 0;
    background: transparent;
    color: #ffffff;
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
}

.active-context-clear:hover,
.active-context-clear:focus {
    color: #ff5555;
}

/* --- Hotspot Styles --- */
.hotspot-btn {
    display: block;
    width: 24px;
    height: 24px;
    border-radius: 12px;
    border: 2px solid #ffffff;
    background-color: #ffaa00; /* Minecraft Gold */
    box-sizing: border-box;
    cursor: pointer;
    box-shadow: 0px 0px 10px rgba(0, 0, 0, 0.8);
    transition: transform 0.2s ease, background-color 0.2s ease;
    /* Optional: Minecraft GUI border effect */
}

.hotspot-btn:hover {
    transform: scale(1.3);
    background-color: #55ff55; /* Minecraft Green */
}

/* `<model-viewer>` will add/remove this class based on visibility if configured, 
   but it's safe to have here. */
.hotspot-btn[data-visible="false"] {
    opacity: 0.2;
    pointer-events: none;
}

/* For toggling all anchors via the button */
.hide-anchors .hotspot-btn {
    display: none !important;
}

/* Compact model controls stay close to the viewer without increasing the page height too much. */
.model-controls {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    align-items: center;
    gap: 8px;
    width: min(100%, 720px);
    margin: 0 auto;
    padding-top: 10px;
    box-sizing: border-box;
}

.model-controls .mc-button {
    width: 100%;
    min-height: 40px;
    padding: 7px 10px;
    font-family: var(--font-body);
    font-size: 0.82rem;
    line-height: 1.2;
    white-space: normal;
}

.model-controls .mc-button:focus-visible {
    outline: 3px solid currentColor;
    outline-offset: 2px;
}

.model-guide {
    margin: 8px auto 0;
    padding: 0 10px;
    color: var(--mc-text-dark);
    font-family: var(--font-body);
    font-size: 0.78rem;
    line-height: 1.4;
    text-align: center;
    opacity: 0.8;
}

/* The left viewer column is narrower before the main layout collapses at 900px. */
@media (min-width: 901px) and (max-width: 1200px) {
    .model-controls {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 600px) {
    .model-controls {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 380px) {
    .model-controls {
        grid-template-columns: 1fr;
    }
}

/* === Cornell / Modern Academic Theme Overrides === */
body.theme-cornell {
    background: #f7f7f7;
    color: #222;
}

body.theme-cornell .panel {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 0; /* Square Frame */
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    padding: 0; /* Remove padding to let header flush edges */
}

body.theme-cornell .panel-header {
    background-color: #b31b1b; /* Cornell Red Header */
    color: #ffffff;
    margin: 0;
    padding: 12px 20px;
    border-bottom: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

body.theme-cornell .panel-header h2 {
    color: #ffffff;
    font-weight: 600;
    background-color: transparent;
    padding: 0;
    margin: 0;
}

body.theme-cornell .panel-content {
    padding: 15px 20px; /* Reliable content padding */
    box-sizing: border-box;
}

body.theme-cornell .model-controls {
    padding: 10px 15px 0;
}

body.theme-cornell .model-guide {
    margin-bottom: 10px;
    color: #555555;
}

/* Let the 3D model container sit nicely without an extra padding wrapper */
body.theme-cornell .panel > .model-container {
    border-top: 1px solid #ddd;
    border-radius: 0;
}

/* Ensure Gallery grid gets side bar scrolling */
body.theme-cornell .gallery-grid {
    padding-right: 10px; /* Space for scrollbar */
    overflow-y: auto;
}

body.theme-cornell .gallery-grid::-webkit-scrollbar,
body.theme-cornell .chat-history::-webkit-scrollbar {
    width: 8px;
}
body.theme-cornell .gallery-grid::-webkit-scrollbar-track,
body.theme-cornell .chat-history::-webkit-scrollbar-track {
    background: #f1f1f1; 
    border-radius: 4px;
    border: none;
}
body.theme-cornell .gallery-grid::-webkit-scrollbar-thumb,
body.theme-cornell .chat-history::-webkit-scrollbar-thumb {
    background: #ccc; 
    border-radius: 4px;
    border: none;
}
body.theme-cornell .gallery-grid::-webkit-scrollbar-thumb:hover,
body.theme-cornell .chat-history::-webkit-scrollbar-thumb:hover {
    background: #999; 
    border: none;
}

body.theme-cornell .mc-button {
    background-color: #b31b1b;
    border: none;
    border-radius: 4px;
    color: #ffffff;
    text-shadow: none;
    box-shadow: none;
    font-weight: 500;
    transition: background-color 0.2s ease;
}

body.theme-cornell .mc-button:hover {
    background-color: #901515;
    transform: none;
    box-shadow: none;
}

body.theme-cornell .mc-button:active {
    transform: none;
    box-shadow: none;
    background-color: #7a1111;
}

body.theme-cornell .gallery-item {
    background-color: #ffffff;
    border: 1px solid #eee;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
    overflow: hidden;
}

body.theme-cornell .gallery-item:hover {
    border-color: #b31b1b;
    box-shadow: 0 4px 12px rgba(179,27,27,0.15);
}

body.theme-cornell .gallery-item img {
    border: none;
    background-color: #f7f7f7;
    border-radius: 0;
    image-rendering: auto; /* Turn off pixelated rendering */
}

body.theme-cornell .gallery-label {
    color: #333;
    text-shadow: none;
    font-weight: 500;
}

body.theme-cornell .gallery-group-header {
    border-bottom-color: #b31b1b;
}

body.theme-cornell .gallery-total {
    border: 1px solid #ffffff;
    border-radius: 12px;
    color: #ffffff;
    font-weight: 500;
}

body.theme-cornell .gallery-group-header h3,
body.theme-cornell .gallery-group-header p {
    color: #333333;
}

body.theme-cornell .modal-nav-btn {
    border: none;
    border-radius: 4px;
    background-color: #b31b1b;
    color: #ffffff;
}

body.theme-cornell .modal-nav-btn:not(:disabled):hover {
    background-color: #901515;
    transform: translateY(-50%) scale(1.08);
}

body.theme-cornell .modal-meta {
    color: #eeeeee;
}

body.theme-cornell .model-container {
    border: 1px solid #eee;
    border-radius: 8px;
    background-color: #ffffff;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
}

body.theme-cornell .banner {
    border-bottom: 4px solid #b31b1b;
}

body.theme-cornell .banner h1 {
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    font-weight: 700;
}

body.theme-cornell .chat-panel {
    border: none;
    border-radius: 12px;
    background-color: #ffffff;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    padding: 0;
    overflow: hidden;
}

body.theme-cornell .chat-header {
    border-bottom: none;
}

body.theme-cornell .chat-header h2 {
    color: #ffffff;
}

body.theme-cornell .chat-history {
    background-color: #f9f9f9;
    border: 1px solid #eee;
    border-radius: 8px;
    color: #333;
    display: flex;
    flex-direction: column;
    gap: 12px; /* Bubbles separation */
}

/* Chat Bubbles Design */
body.theme-cornell .chat-message {
    border-radius: 18px;
    padding: 10px 15px;
    max-width: 85%;
    line-height: 1.4;
    word-wrap: break-word;
}

body.theme-cornell .user-message {
    background-color: #b31b1b;
    color: #ffffff;
    align-self: flex-end;
    border-bottom-right-radius: 4px; /* classic bubble tail */
    font-weight: normal;
}

body.theme-cornell .ai-message {
    background-color: #e8e8e8;
    color: #222222;
    align-self: flex-start;
    border-bottom-left-radius: 4px;
}

body.theme-cornell .system-message {
    background-color: #fff3f3;
    color: #b31b1b;
    align-self: center;
    border-radius: 8px;
    border: 1px solid #ffcccc;
    font-size: 0.85rem;
    padding: 5px 10px;
}

body.theme-cornell .mc-input {
    background-color: #f7f7f7;
    border: 1px solid #ddd;
    border-radius: 6px;
    color: #333;
}

body.theme-cornell .mc-input:focus {
    outline: none;
    border-color: #b31b1b;
    background-color: #fff;
}

body.theme-cornell .chat-icon-emoji {
    width: 60px;
    height: 60px;
    background-color: #b31b1b;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15); /* Very subtle floating shadow, no glow */
    transition: background-color 0.2s ease;
}

body.theme-cornell .chat-icon-emoji:hover {
    background-color: #901515;
    transform: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

body.theme-cornell .tooltip {
    border: none;
    border-radius: 6px;
    background-color: #333;
    color: #fff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

body.theme-cornell .tooltip::after {
    border-color: #333 transparent transparent transparent;
}

body.theme-cornell .ai-chat-btn {
    --ai-icon-half-width: 30px;
}

body.theme-cornell .ai-chat-btn:focus-visible {
    outline-color: #b31b1b;
}

body.theme-cornell .active-context {
    background-color: #f7f7f7;
    border: 1px solid #dddddd;
    border-radius: 6px;
    color: #333333;
}

body.theme-cornell .active-context-clear {
    color: #b31b1b;
}

body.theme-cornell .ai-status-indicator {
    width: 9px;
    height: 9px;
    border-width: 1px;
    box-shadow: none;
}

body.theme-cornell .ai-tooltip-status {
    font-weight: 500;
}

body.theme-cornell .hotspot-btn {
    border-radius: 50%;
    background-color: #b31b1b;
    border: 2px solid white;
    box-shadow: none;
    transition: background-color 0.2s ease, transform 0.2s ease;
}

body.theme-cornell .hotspot-btn:hover {
    background-color: #901515;
    transform: scale(1.15);
}

body.theme-cornell .hotspot-info-card {
    background-color: #ffffff;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16);
}

body.theme-cornell .hotspot-info-card h3,
body.theme-cornell .hotspot-info-card p,
body.theme-cornell .hotspot-card-close {
    color: #222222;
}

body.theme-cornell .connection-status.is-success { color: #287d28; }
body.theme-cornell .connection-status.is-error { color: #b31b1b; }

body.theme-cornell .byok-storage-note {
    color: #555555;
    opacity: 1;
}

body.theme-cornell .settings-storage-option {
    color: #333333;
}

body.theme-cornell .settings-storage-option input {
    accent-color: #b31b1b;
}

body.theme-cornell .settings-storage-help {
    color: #666666;
}

body.theme-cornell .onboarding-panel {
    border-radius: 8px;
}

body.theme-cornell a.link {
    color: #b31b1b;
    font-weight: 600;
}

body.theme-cornell a.link:hover {
    color: #901515;
    text-decoration: underline;
}