/* OpenSeaDragon Zoom Viewer Styles */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg: #111;
    --text: #fafafa;
    --text-muted: #888;
    --accent: #4a9eff;
    --overlay-bg: rgba(0, 0, 0, 0.7);
}

html, body {
    height: 100%;
    width: 100%;
    overflow: hidden;
    background: var(--bg);
    font-family: 'Courier New', Courier, monospace;
}

/* Main viewer container */
#osd-viewer {
    width: 100vw;
    height: 100vh;
    background: var(--bg);
}

/* Controls overlay */
.zoom-controls {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: linear-gradient(to bottom, var(--overlay-bg), transparent);
    z-index: 100;
    transition: opacity 0.3s ease;
}

.zoom-controls.hidden {
    opacity: 0;
    pointer-events: none;
}

.back-btn {
    color: var(--text);
    text-decoration: none;
    font-size: 1rem;
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    transition: background 0.2s;
}

.back-btn:hover {
    background: rgba(255, 255, 255, 0.2);
}

.artwork-info {
    text-align: center;
    color: var(--text);
}

.artwork-info .title {
    display: block;
    font-size: 1rem;
    margin-bottom: 2px;
}

.artwork-info .artist {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.zoom-hint {
    color: var(--text-muted);
    font-size: 0.8rem;
}

.zoom-hint .desktop {
    display: inline;
}

.zoom-hint .mobile {
    display: none;
}

/* Dimension badge */
.dimension-badge {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: var(--overlay-bg);
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 6px 12px;
    border-radius: 4px;
    z-index: 100;
    transition: opacity 0.3s ease;
}

.dimension-badge.hidden {
    opacity: 0;
}

/* OpenSeaDragon controls styling */
.openseadragon-container {
    background: var(--bg) !important;
}

/* Navigator (mini-map) */
.navigator {
    background: var(--bg) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 4px;
    margin: 10px !important;
}

/* Error state */
.error-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    color: var(--text);
    text-align: center;
    padding: 20px;
}

.error-container h1 {
    font-size: 1.5rem;
    font-weight: normal;
    margin-bottom: 16px;
}

.error-container p {
    color: var(--text-muted);
    margin-bottom: 12px;
    max-width: 400px;
}

.error-container .error {
    color: #ef4444;
    font-size: 0.85rem;
}

.error-container .btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 24px;
    background: var(--accent);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    transition: background 0.2s;
}

.error-container .btn:hover {
    background: #3a8eef;
}

/* Mobile responsive */
@media (max-width: 600px) {
    .zoom-controls {
        flex-direction: column;
        gap: 8px;
        padding: 12px;
    }

    .back-btn {
        position: absolute;
        left: 12px;
        top: 12px;
    }

    .artwork-info {
        margin-top: 40px;
    }

    .zoom-hint .desktop {
        display: none;
    }

    .zoom-hint .mobile {
        display: inline;
    }

    .dimension-badge {
        bottom: 10px;
        left: 10px;
        font-size: 0.7rem;
    }
}

/* Touch device adjustments */
@media (hover: none) {
    .zoom-hint .desktop {
        display: none;
    }

    .zoom-hint .mobile {
        display: inline;
    }
}

/* Loading state - shown by OpenSeaDragon */
.openseadragon-message {
    color: var(--text-muted) !important;
    font-family: inherit !important;
}