:root {
    --bg-primary: #121214;
    --bg-secondary: #1a1a1e;
    --bg-tertiary: #232329;
    --border-color: #2e2e36;
    --text-primary: #f3f4f6;
    --text-secondary: #a1a1aa;
    --accent-blue: #3b82f6;
    --accent-blue-hover: #2563eb;
    --accent-orange: #f97316;
    --accent-orange-hover: #ea580c;
    --accent-green: #10b981;
    --accent-green-hover: #059669;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow: hidden;
    height: 100vh;
}

/* Language Toggle Classes */
body.lang-en [data-lang="bg"] { display: none !important; }
body.lang-bg [data-lang="en"] { display: none !important; }

/* Main layout structure */
.app-container {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
}

/* Left Panel (Dossier) */
.dossier-panel {
    width: 42%;
    min-width: 440px;
    max-width: 580px;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    height: 100%;
    flex-shrink: 0;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.4);
    z-index: 5;
}

.patient-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(26, 26, 30, 0.95);
}

.patient-name {
    margin: 0 0 4px 0;
    font-size: 21px;
    color: var(--text-primary);
    font-weight: 700;
    letter-spacing: -0.3px;
}

.patient-meta {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* Controls */
.lang-switch {
    display: flex;
    background-color: var(--bg-tertiary);
    border-radius: 20px;
    padding: 2px;
    border: 1px solid var(--border-color);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 6px 12px;
    font-size: 11px;
    font-weight: bold;
    cursor: pointer;
    border-radius: 18px;
    transition: all 0.2s ease;
}

.lang-btn.active {
    background-color: var(--accent-blue);
    color: white;
    box-shadow: var(--shadow);
}

/* Dossier content scrollable area */
.dossier-content {
    flex-grow: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Clinical Alert Box */
.clinical-alert {
    background-color: rgba(249, 115, 22, 0.08);
    border-left: 4px solid var(--accent-orange);
    border-radius: 8px;
    padding: 16px;
    box-shadow: var(--shadow);
}

.clinical-alert h4 {
    margin: 0 0 8px 0;
    color: var(--accent-orange);
    font-size: 14.5px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 6px;
}

.clinical-alert p {
    margin: 0;
    font-size: 13px;
    line-height: 1.55;
    color: #e5e7eb;
}

/* Nav tabs */
.dossier-nav {
    display: flex;
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 3px;
    border: 1px solid var(--border-color);
}

.nav-tab-btn {
    flex-grow: 1;
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 10px;
    font-size: 12.5px;
    font-weight: 600;
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.2s ease;
}

.nav-tab-btn.active {
    background-color: var(--bg-secondary);
    color: var(--accent-blue);
    box-shadow: var(--shadow);
    border: 1px solid rgba(255,255,255,0.03);
}

/* Cards and Sections */
.dossier-section {
    display: none;
    flex-direction: column;
    gap: 20px;
}

.dossier-section.active {
    display: flex;
}

.dossier-card {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 20px;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255,255,255,0.02);
}

.dossier-card h3 {
    margin: 0 0 15px 0;
    font-size: 14px;
    color: var(--accent-blue);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.summary-text {
    font-size: 13.5px;
    line-height: 1.6;
    color: #d1d5db;
}

.summary-text strong {
    color: var(--text-primary);
}

/* Study Cards */
.study-card {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    gap: 15px;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.study-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-2px);
}

.study-card.ct-card {
    border-left: 4px solid var(--accent-orange);
}

.study-card.mri-card {
    border-left: 4px solid var(--accent-green);
}

.study-card-icon {
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.study-card-content {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.study-card-content h4 {
    margin: 0 0 6px 0;
    font-size: 14.5px;
    color: var(--text-primary);
    font-weight: 600;
}

.study-card-content p {
    margin: 0 0 10px 0;
    font-size: 12.5px;
    color: var(--text-secondary);
    line-height: 1.45;
}

.study-card-actions {
    display: flex;
    gap: 12px;
    font-size: 11.5px;
    font-weight: 700;
}

.study-card-actions .action-link {
    color: var(--accent-blue);
    text-decoration: none;
    cursor: pointer;
}

.study-card-actions .action-link:hover {
    text-decoration: underline;
}

/* X-Ray Grid */
.xray-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.xray-grid-item {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px;
    cursor: pointer;
    text-align: center;
    transition: all 0.2s ease;
}

.xray-grid-item:hover {
    border-color: var(--accent-blue);
    background-color: var(--bg-tertiary);
    transform: scale(1.02);
}

.xray-grid-date {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.xray-grid-label {
    font-size: 10.5px;
    color: var(--text-secondary);
}

/* Comparison Table */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    margin-top: 10px;
}

.comparison-table th, .comparison-table td {
    padding: 10px;
    border: 1px solid var(--border-color);
    text-align: left;
    vertical-align: top;
}

.comparison-table th {
    background-color: rgba(255, 255, 255, 0.02);
    color: var(--accent-blue);
    font-weight: 700;
}

@media (max-width: 600px) {
    .comparison-table, 
    .comparison-table thead, 
    .comparison-table tbody, 
    .comparison-table th, 
    .comparison-table td, 
    .comparison-table tr { 
        display: block; 
    }
    
    .comparison-table thead tr { 
        position: absolute;
        top: -9999px;
        left: -9999px;
    }
    
    .comparison-table tr {
        border: 1px solid var(--border-color);
        margin-bottom: 12px;
        border-radius: 8px;
        background-color: rgba(255, 255, 255, 0.015);
        padding: 10px;
    }
    
    .comparison-table td { 
        border: none;
        position: relative;
        padding: 6px 6px 6px 115px; 
        font-size: 12px;
        min-height: 18px;
    }
    
    .comparison-table td::before { 
        position: absolute;
        top: 6px;
        left: 8px;
        width: 95px; 
        padding-right: 8px; 
        white-space: nowrap;
        font-weight: bold;
        color: var(--accent-blue);
    }
    
    .comparison-table td:nth-of-type(1) {
        font-weight: 700;
        color: var(--text-primary);
        padding-left: 8px;
        border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
        margin-bottom: 8px;
        padding-bottom: 8px;
        font-size: 13px;
    }
    .comparison-table td:nth-of-type(1)::before {
        content: "";
    }
    
    .comparison-table td:nth-of-type(2)::before { 
        content: "ЯМР (2025):"; 
    }
    body.lang-en .comparison-table td:nth-of-type(2)::before {
        content: "MRI (2025):";
    }
    
    .comparison-table td:nth-of-type(3)::before { 
        content: "КТ (2026):"; 
    }
    body.lang-en .comparison-table td:nth-of-type(3)::before {
        content: "CT (2026):";
    }
}

.bold-td {
    font-weight: 700;
    color: var(--text-primary);
    white-space: nowrap;
}

.danger-text {
    color: #f87171;
    background-color: rgba(239, 68, 68, 0.06);
}

.warning-text {
    color: #fbbf24;
    background-color: rgba(251, 191, 36, 0.06);
}

/* Timeline styles (Reversed newest first) */
.timeline-container {
    position: relative;
    padding-left: 28px;
    margin-left: 12px;
    border-left: 2px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.timeline-item {
    position: relative;
}

.timeline-item.clickable {
    cursor: pointer;
}

.timeline-item.clickable:hover .timeline-panel {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-blue);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.4);
}

.timeline-badge {
    position: absolute;
    left: -40px;
    top: 6px;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    z-index: 2;
    transition: all 0.2s ease;
}

.timeline-item.clickable:hover .timeline-badge {
    transform: scale(1.15);
}

.timeline-badge.x-ray {
    border-color: var(--accent-blue);
    background-color: rgba(59, 130, 246, 0.15);
}

.timeline-badge.mri {
    border-color: var(--accent-green);
    background-color: rgba(16, 185, 129, 0.15);
}

.timeline-badge.ct {
    border-color: var(--accent-orange);
    background-color: rgba(249, 115, 22, 0.15);
}

.timeline-badge.rehab {
    border-color: #a855f7;
    background-color: rgba(168, 85, 247, 0.15);
}

.timeline-badge.injury {
    border-color: #ef4444;
    background-color: rgba(239, 68, 68, 0.15);
}

.timeline-panel {
    background-color: rgba(255, 255, 255, 0.015);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 14px;
    transition: all 0.2s ease;
}

.timeline-date {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 5px;
    letter-spacing: 0.5px;
}

.timeline-panel h4 {
    margin: 0 0 6px 0;
    font-size: 14px;
    color: var(--text-primary);
    font-weight: 600;
}

.timeline-panel h4 span.view-indicator {
    font-size: 11px;
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    border: 1px solid rgba(59, 130, 246, 0.2);
}
.timeline-panel.mri-item h4 span.view-indicator {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    border-color: rgba(16, 185, 129, 0.2);
}
.timeline-panel.ct-item h4 span.view-indicator {
    background: rgba(249, 115, 22, 0.1);
    color: var(--accent-orange);
    border-color: rgba(249, 115, 22, 0.2);
}

.timeline-panel p {
    margin: 0;
    font-size: 12.5px;
    color: var(--text-secondary);
    line-height: 1.45;
}

/* Questions */
.questions-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.question-category {
    margin-top: 8px;
    margin-bottom: 4px;
}

.category-title {
    margin: 0;
    font-size: 13.5px;
    font-weight: 700;
    color: var(--accent-orange);
    text-transform: uppercase;
    letter-spacing: 0.4px;
    display: flex;
    align-items: center;
    gap: 8px;
    padding-bottom: 6px;
    border-bottom: 1px solid rgba(249, 115, 22, 0.2);
}

.category-num {
    font-size: 15px;
    font-weight: 800;
    min-width: 24px;
}

/* Doctor identity panel */
.doctor-identity-panel {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08), rgba(16, 185, 129, 0.05));
    border: 1px solid rgba(59, 130, 246, 0.25);
    border-radius: 10px;
    padding: 16px 18px;
    margin-bottom: 6px;
}

.doctor-identity-panel h4 {
    margin: 0 0 12px 0;
    font-size: 13px;
    color: var(--accent-blue);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 7px;
}

.doctor-identity-fields {
    display: flex;
    gap: 10px;
}

.doctor-identity-fields input {
    flex: 1;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 6px;
    padding: 9px 12px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: inherit;
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.doctor-identity-fields input:focus {
    border-color: var(--accent-blue);
    background: rgba(59, 130, 246, 0.06);
}

.doctor-identity-fields input::placeholder {
    color: var(--text-muted);
    font-size: 12px;
}

/* Save status indicator */
.autosave-status {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 11.5px;
    color: var(--text-muted);
    margin-top: 10px;
    padding: 6px 10px;
    border-radius: 20px;
    background: rgba(255,255,255,0.02);
    border: 1px solid rgba(255,255,255,0.04);
    width: fit-content;
    transition: all 0.3s ease;
}

.autosave-status.saving {
    color: #fbbf24;
    border-color: rgba(251, 191, 36, 0.2);
    background: rgba(251, 191, 36, 0.05);
}

.autosave-status.saved {
    color: var(--accent-green);
    border-color: rgba(16, 185, 129, 0.25);
    background: rgba(16, 185, 129, 0.06);
}

.autosave-status.error {
    color: #f87171;
    border-color: rgba(248, 113, 113, 0.25);
    background: rgba(248, 113, 113, 0.06);
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    flex-shrink: 0;
}

.status-dot.pulse {
    animation: pulse-dot 1s ease-in-out infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.7); }
}

.question-card {
    background-color: var(--bg-tertiary);
    border-radius: 8px;
    padding: 16px;
    display: flex;
    gap: 15px;
    border-left: 4px solid var(--accent-blue);
    box-shadow: var(--shadow);
    border-top: 1px solid rgba(255,255,255,0.01);
    border-right: 1px solid rgba(255,255,255,0.01);
    border-bottom: 1px solid rgba(255,255,255,0.01);
}

.q-num {
    font-size: 18px;
    font-weight: 700;
    color: var(--accent-blue);
    width: 20px;
    flex-shrink: 0;
    text-align: center;
}

.q-body {
    flex: 1;
    min-width: 0;
}

.q-body p {
    margin: 0;
    font-size: 13.5px;
    line-height: 1.5;
    color: #e5e7eb;
}

.q-body p[data-lang="en"] {
    margin-top: 6px;
    color: var(--text-secondary);
    border-top: 1px dashed rgba(255, 255, 255, 0.05);
    padding-top: 6px;
}

/* Doctor answer textarea */
.answer-label {
    display: block;
    margin-top: 12px;
    margin-bottom: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--accent-green);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.q-answer {
    width: 100%;
    min-height: 70px;
    background: rgba(16, 185, 129, 0.04);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 6px;
    padding: 10px 12px;
    color: #e5e7eb;
    font-size: 13px;
    font-family: inherit;
    line-height: 1.5;
    resize: vertical;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.q-answer:focus {
    border-color: var(--accent-green);
    background: rgba(16, 185, 129, 0.07);
    box-shadow: 0 0 0 2px rgba(16, 185, 129, 0.12);
}

.q-answer::placeholder {
    color: rgba(255,255,255,0.2);
    font-style: italic;
    font-size: 12px;
}

.q-answer.has-content {
    border-color: rgba(16, 185, 129, 0.4);
    background: rgba(16, 185, 129, 0.06);
}

/* Right Panel (Viewer) */
.viewer-panel {
    flex-grow: 1;
    background-color: #0c0c0e;
    display: flex;
    flex-direction: column;
    height: 100%;
    position: relative;
}

.viewer-top-bar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 10;
    height: 30px;
    flex-shrink: 0;
}

.viewer-title {
    font-size: 14.5px;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.viewer-quick-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

.viewer-btn {
    padding: 6px 12px;
    font-size: 12px;
    font-weight: bold;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: all 0.2s ease;
    height: 28px;
    box-sizing: border-box;
}

.viewer-btn.primary {
    background-color: var(--accent-blue);
    color: white;
}
.viewer-btn.primary:hover {
    background-color: var(--accent-blue-hover);
}

.viewer-btn.mri-btn {
    background-color: var(--accent-green);
    color: white;
}
.viewer-btn.mri-btn:hover {
    background-color: var(--accent-green-hover);
}

.viewer-btn.ct-btn {
    background-color: var(--accent-orange);
    color: white;
}
.viewer-btn.ct-btn:hover {
    background-color: var(--accent-orange-hover);
}

.viewer-contents {
    flex-grow: 1;
    position: relative;
    overflow: hidden;
    display: flex;
}

/* Welcome view placeholder */
.welcome-container {
    display: none;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    background-color: #0b0b0d;
}

.welcome-container.active {
    display: flex;
}

.welcome-box {
    text-align: center;
    max-width: 440px;
    padding: 30px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.welcome-box h3 {
    margin: 0 0 12px 0;
    color: var(--accent-blue);
    font-size: 17px;
}

.welcome-box p {
    margin: 0;
    font-size: 13.5px;
    color: var(--text-secondary);
    line-height: 1.55;
}

/* X-Ray Image Viewer Layout */
#xray-viewer {
    display: none;
    width: 100%;
    height: 100%;
}

#xray-viewer.active {
    display: flex;
}

.thumbnail-sidebar {
    width: 120px;
    background-color: rgba(0, 0, 0, 0.4);
    border-right: 1px solid var(--border-color);
    overflow-y: auto;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-shrink: 0;
}

.thumbnail-container {
    cursor: pointer;
    border: 2px solid transparent;
    border-radius: 4px;
    overflow: hidden;
    transition: all 0.2s ease;
    background-color: #000;
    box-shadow: var(--shadow);
}

.thumbnail-container:hover {
    border-color: rgba(59, 130, 246, 0.5);
}

.thumbnail-container.active {
    border-color: var(--accent-blue);
}

.thumbnail-container img {
    width: 100%;
    display: block;
}

.image-display-area {
    flex-grow: 1;
    position: relative;
    background-color: #000;
    overflow: hidden;
    cursor: grab;
}

.main-image {
    position: absolute;
    transform-origin: 0 0;
    will-change: transform;
}

/* Floating Controls Overlay inside X-ray display area */
.image-adjust-overlay {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(26, 26, 30, 0.85);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 20px;
    display: flex;
    gap: 20px;
    z-index: 15;
    box-shadow: var(--shadow);
    backdrop-filter: blur(4px);
    align-items: center;
}

.control-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.control-group label {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.control-group input[type="range"] {
    width: 90px;
    height: 6px;
    cursor: pointer;
    background: var(--bg-tertiary);
    border-radius: 4px;
}

/* Zoom controls */
.zoom-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10;
}

.zoom-button {
    background-color: rgba(26, 26, 30, 0.85);
    border: 1px solid var(--border-color);
    color: white;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.zoom-button:hover {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.nav-button {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: rgba(26, 26, 30, 0.65);
    border: 1px solid var(--border-color);
    color: white;
    font-size: 22px;
    cursor: pointer;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: var(--shadow);
}

.nav-button:hover {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}

.prev { left: 20px; }
.next { right: 20px; }

.viewer-header {
    position: absolute;
    top: 15px;
    left: 20px;
    z-index: 10;
    background-color: rgba(0, 0, 0, 0.65);
    padding: 6px 12px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: bold;
    border: 1px solid var(--border-color);
    letter-spacing: 0.5px;
}

/* PDF Viewer Container */
.pdf-container {
    display: none;
    width: 100%;
    height: 100%;
    background-color: #111;
}

.pdf-container.active {
    display: flex;
}

.pdf-container embed {
    border: none;
}

/* Footer / Metadata overlay */
.metadata-footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 8px 20px;
    font-size: 11px;
    color: var(--text-secondary);
    display: flex;
    gap: 30px;
    z-index: 10;
    height: 15px;
    flex-shrink: 0;
}

/* Mobile Nav Bar - Root Level (Z-indexed) */
.mobile-nav-bar {
    display: none;
}

/* Mobile Responsive Styling */
@media (max-width: 1024px) {
    .app-container {
        flex-direction: column;
    }
    
    .dossier-panel {
        width: 100%;
        min-width: 0;
        max-width: none;
        height: calc(100vh - 50px);
        display: flex;
        flex-direction: column;
    }
    
    .dossier-panel.hidden-mobile {
        display: none !important;
    }
    
    .viewer-panel {
        width: 100%;
        height: calc(100vh - 50px);
        display: none;
    }
    
    .viewer-panel.active-mobile {
        display: flex;
    }
    
    .mobile-nav-bar {
        display: flex;
        background-color: var(--bg-secondary);
        border-top: 1px solid var(--border-color);
        height: 50px;
        flex-shrink: 0;
        box-sizing: border-box;
        justify-content: space-around;
        align-items: center;
        z-index: 100;
    }
    
    .mob-nav-btn {
        background: none;
        border: none;
        color: var(--text-secondary);
        display: flex;
        flex-direction: column;
        align-items: center;
        font-size: 11px;
        font-weight: bold;
        gap: 3px;
        cursor: pointer;
        flex-grow: 1;
        padding: 4px;
        transition: color 0.2s ease;
    }
    
    .mob-nav-btn.active {
        color: var(--accent-blue);
    }
    
    .mob-nav-btn span:first-child {
        font-size: 18px;
    }
    
    /* X-ray viewer layout on tablet/mobile */
    #xray-viewer {
        flex-direction: column;
    }
    
    .thumbnail-sidebar {
        width: 100%;
        height: 75px;
        flex-direction: row;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
        padding: 8px;
        overflow-x: auto;
        overflow-y: hidden;
        box-sizing: border-box;
        gap: 10px;
    }
    
    .thumbnail-container {
        width: 55px;
        height: 55px;
        flex-shrink: 0;
    }
    
    /* Compact Adjust overlay on mobile viewport */
    .image-adjust-overlay {
        position: absolute;
        bottom: 10px;
        width: 85%;
        padding: 6px 12px;
        gap: 12px;
        justify-content: space-around;
    }

    .control-group input[type="range"] {
        width: 75px;
    }
    
    .zoom-controls {
        display: none;
    }
    
    .nav-button {
        width: 38px;
        height: 38px;
        font-size: 18px;
    }
    .prev { left: 10px; }
    .next { right: 10px; }
    
    /* Stack the viewer top bar on smaller mobile devices */
    .viewer-top-bar {
        flex-direction: column;
        height: auto;
        align-items: stretch;
        gap: 10px;
        padding: 10px 15px;
    }
    .viewer-title {
        font-size: 13px;
        justify-content: center;
        text-align: center;
    }
    .viewer-quick-actions {
        justify-content: center;
        width: 100%;
        gap: 8px;
    }
    .viewer-btn {
        flex-grow: 1;
        justify-content: center;
        font-size: 11px;
        padding: 6px 8px;
        white-space: nowrap;
    }
}