/* Brain Vascular Territories Interactive Map Styles */

/* Dark Theme Variables */
:root {
  /* Vessel Colors */
  --aca-color: #ff6b6b;
  --aca-stroke: #ff5252;
  --mca-color: #4ecdc4;
  --mca-stroke: #26a69a;
  --pca-color: #45b7d1;
  --pca-stroke: #2196f3;
  --lsa-color: #96ceb4;
  --lsa-stroke: #66bb6a;
  --ba-color: #feca57;
  --ba-stroke: #ffb74d;
  --va-color: #ff9ff3;
  --va-stroke: #e91e63;
  --aca-deep-color: #a8e6cf;
  --aca-deep-stroke: #81c784;
  --ica-color: #dda0dd;
  --ica-stroke: #ba68c8;
}

[data-theme="dark"], :root {
  --bg-primary: var(--night);
  --bg-secondary: var(--rich-black);
  --bg-search: var(--ash-gray);
  --text-primary: var(--platinum);
  --text-secondary: var(--ash-gray);
  --accent-primary: var(--aquamarine);
  --accent-secondary: var(--bronze);
  --border-color: var(--rich-black);
}

[data-theme="light"] {
  --bg-primary: var(--platinum);
  --bg-secondary: #ffffff;
  --bg-search: var(--ash-gray);
  --text-primary: var(--night);
  --text-secondary: var(--rich-black);
  --accent-primary: var(--rich-black);
  --accent-secondary: var(--bronze);
  --border-color: var(--ash-gray);
}

/* Font Application */
* {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

*::before, *::after {
  font-family: inherit;
}

input, button, textarea, select, optgroup, option {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: var(--bg-primary);
}

.tool-container {
    flex: 1;
    max-width: 1600px;
    margin: 0 auto;
    padding: 2rem;
    color: var(--text-primary);
}

.back-btn {
    position: fixed;
    top: 1rem;
    left: 1rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    z-index: 100;
    border: 1px solid var(--border-color);
}

.back-btn:hover {
    background: var(--aquamarine);
    color: var(--bg-primary);
    transform: translateY(-2px);
}

.tool-container h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    text-align: center;
    background: linear-gradient(135deg, var(--aquamarine), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tool-container h2 {
    font-size: 1.4rem;
    margin-bottom: 2rem;
    text-align: center;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Main Grid Layout */
.main-grid {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Control Panel */
.control-panel {
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    height: fit-content;
    position: sticky;
    top: 2rem;
}

.control-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.control-header h3 {
    color: var(--aquamarine);
    font-size: 1.2rem;
    margin: 0;
}

.toggle-all-btn {
    background: var(--bronze);
    color: white;
    border: none;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.toggle-all-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(214, 139, 42, 0.3);
}

/* Vessel Controls */
.vessel-group {
    margin-bottom: 1.5rem;
}

.vessel-group h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.vessel-toggle {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.5rem;
    margin-bottom: 0.5rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.vessel-toggle:hover {
    background: var(--bg-primary);
}

.vessel-toggle input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    border: 2px solid var(--border-color);
    position: relative;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.vessel-toggle input[type="checkbox"]:checked + .checkmark {
    border-color: currentColor;
}

.vessel-toggle input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-weight: bold;
    font-size: 12px;
}

/* Vessel color assignments */
.aca-color { background: var(--aca-color); }
.mca-color { background: var(--mca-color); }
.pca-color { background: var(--pca-color); }
.lsa-color { background: var(--lsa-color); }
.ba-color { background: var(--ba-color); }
.va-color { background: var(--va-color); }
.aca-deep-color { background: var(--aca-deep-color); }
.ica-color { background: var(--ica-color); }

.vessel-name {
    flex: 1;
    font-weight: 500;
    font-size: 0.95rem;
}

.frequency {
    font-size: 0.8rem;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    font-weight: 500;
}

.frequency.high {
    background: rgba(255, 107, 107, 0.2);
    color: #ff6b6b;
}

.frequency.medium {
    background: rgba(255, 206, 87, 0.2);
    color: #feca57;
}

.frequency.low {
    background: rgba(116, 185, 255, 0.2);
    color: #74b9ff;
}

/* Info Panel */
.info-panel {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 1rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
}

.info-panel h4 {
    color: var(--aquamarine);
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.vessel-info {
    font-size: 0.9rem;
    line-height: 1.5;
}

.vessel-info h5 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.vessel-info ul {
    padding-left: 1.2rem;
    margin: 0.5rem 0;
}

.vessel-info li {
    margin-bottom: 0.3rem;
}

/* Statistics Panel */
.statistics-panel {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-color);
}

.statistics-panel h4 {
    color: var(--aquamarine);
    margin-bottom: 0.75rem;
    font-size: 1rem;
}

.stat-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.4rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-label {
    font-weight: 500;
}

.stat-value {
    color: var(--bronze);
    font-weight: 600;
}

/* Brain Container */
.brain-container {
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
}

.brain-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.brain-header h3 {
    color: var(--aquamarine);
    font-size: 1.2rem;
    margin: 0;
}

.view-controls {
    display: flex;
    gap: 0.5rem;
}

.view-btn {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.view-btn:hover {
    background: var(--aquamarine);
    color: var(--bg-primary);
}

.view-btn.active {
    background: var(--bronze);
    color: white;
    border-color: var(--bronze);
}

/* Brain Views */
.brain-view {
    display: none;
}

.brain-view.active {
    display: block;
}

.slice-container {
    margin-bottom: 2rem;
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-color);
}

.slice-container h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-align: center;
    font-size: 1rem;
}

/* Unified Slice Container */
.unified-slice-container {
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    height: fit-content;
}

.slice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.slice-header h4 {
    color: var(--text-primary);
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.slice-counter {
    background: var(--bg-secondary);
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
    border: 1px solid var(--border-color);
}

/* Brain Viewer with Navigation */
.brain-viewer {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.brain-viewer.sagittal-single {
    justify-content: center;
}

.slice-nav-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    width: 44px;
    height: 44px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.slice-nav-btn:hover:not(.disabled) {
    background: var(--aquamarine);
    color: var(--bg-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(56, 178, 172, 0.3);
}

.slice-nav-btn:active:not(.disabled) {
    transform: translateY(0);
}

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

.slice-nav-btn svg {
    transition: transform 0.2s ease;
}

.slice-nav-btn:hover:not(.disabled) svg {
    transform: scale(1.1);
}

/* Hide navigation buttons for sagittal (single slice) */
.sagittal-single .slice-nav-btn {
    display: none;
}

/* Brain Slice Container */
.brain-slice-container {
    position: relative;
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-shrink: 0;
}

/* Brain Slice Items */
.brain-slice-item {
    position: relative;
    width: 100%;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    display: none;
}

.brain-slice-item.active {
    display: block;
    opacity: 1;
    transform: translateY(0);
}

.brain-image {
    width: 100%;
    height: auto;
    border-radius: 8px;
    display: block;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.brain-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    cursor: crosshair;
}

.brain-overlay .territory {
    pointer-events: all;
}

/* Legacy support for old SVG-only slices */
.brain-slice {
    width: 100%;
    height: auto;
    max-width: 500px;
    display: block;
    margin: 0 auto;
    cursor: crosshair;
}

/* Remove old slice container styles */
.slice-container {
    display: none;
}

/* Territory hover effects */
.territory {
    transition: all 0.3s ease;
    cursor: pointer;
}

.territory:hover {
    opacity: 0.9 !important;
    stroke-width: 3px !important;
    filter: brightness(1.1);
}

/* Legend Section */
.legend-section {
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.legend-section h3 {
    color: var(--aquamarine);
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.legend-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 0.75rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.9rem;
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 4px;
    flex-shrink: 0;
}

/* Footer Notes */
.footer-notes {
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    padding: 1.5rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.footer-notes p {
    margin-bottom: 1rem;
}

.footer-notes ul {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.footer-notes li {
    margin-bottom: 0.5rem;
}

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

/* Sticky Footer */
.sticky-footer {
    background: var(--bg-primary);
    padding: 1rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
    margin-top: auto;
}

.sticky-footer a {
    color: var(--accent-primary);
    text-decoration: none;
}

.sticky-footer a:hover {
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .main-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .control-panel {
        position: static;
        order: 2;
    }
    
    .brain-container {
        order: 1;
    }
}

@media (max-width: 768px) {
    .tool-container {
        padding: 1rem;
    }
    
    .tool-container h1 {
        font-size: 2rem;
    }
    
    .tool-container h2 {
        font-size: 1.2rem;
    }
    
    .control-panel,
    .brain-container {
        padding: 1rem;
    }
    
    .unified-slice-container {
        padding: 1rem;
    }
    
    .brain-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
    
    .view-controls {
        justify-content: center;
    }
    
    .slice-header {
        flex-direction: column;
        gap: 0.75rem;
        align-items: center;
        text-align: center;
    }
    
    .slice-header h4 {
        font-size: 1rem;
    }
    
    .brain-viewer {
        gap: 0.75rem;
    }
    
    .slice-nav-btn {
        width: 40px;
        height: 40px;
    }
    
    .brain-slice-container {
        max-width: 100%;
    }
    
    .back-btn {
        position: static;
        margin-bottom: 1rem;
        display: inline-block;
    }
    
    .legend-grid {
        grid-template-columns: 1fr;
    }
    
    .control-header {
        flex-direction: column;
        gap: 1rem;
        align-items: stretch;
    }
}

@media (max-width: 480px) {
    .tool-container h1 {
        font-size: 1.7rem;
    }
    
    .tool-container h2 {
        font-size: 1rem;
    }
    
    .vessel-toggle {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
        padding: 0.75rem;
    }
    
    .vessel-name {
        font-size: 0.9rem;
    }
    
    .frequency {
        align-self: flex-end;
    }
}