/* ========================================
   ClinicalAI Dashboard - Main Styles
   ======================================== */

/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f8fafc;
    min-height: 100vh;
    display: flex;
}

/* ========================================
   Sidebar
   ======================================== */
.sidebar {
    width: 260px;
    background: white;
    border-right: 1px solid #e2e8f0;
    padding: 20px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.logo-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 20px;
}

.logo-text h1 {
    font-size: 18px;
    font-weight: 700;
    color: #1e293b;
}

.logo-text p {
    font-size: 11px;
    color: #94a3b8;
}

/* Dataset Badge */
.dataset-badge {
    background: linear-gradient(135deg, #ecfdf5, #d1fae5);
    border: 1px solid #a7f3d0;
    border-radius: 8px;
    padding: 12px;
    margin-bottom: 20px;
}

.dataset-badge h4 {
    font-size: 10px;
    text-transform: uppercase;
    color: #059669;
    font-weight: 600;
}

.dataset-badge p {
    font-size: 13px;
    color: #047857;
    font-weight: 600;
}

.dataset-badge span {
    font-size: 11px;
    color: #10b981;
}

/* Navigation */
.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    margin-bottom: 4px;
    color: #64748b;
    font-weight: 500;
    font-size: 14px;
}

.nav-item:hover {
    background: #f1f5f9;
}

.nav-item.active {
    background: #eef2ff;
    color: #6366f1;
}

.nav-item svg {
    width: 18px;
    height: 18px;
}

/* Data Summary */
.data-summary {
    margin-top: 24px;
    padding: 16px;
    background: #f8fafc;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
}

.data-summary h4 {
    font-size: 12px;
    font-weight: 600;
    color: #475569;
    margin-bottom: 12px;
}

.data-row {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    padding: 6px 0;
    border-bottom: 1px solid #f1f5f9;
}

.data-row:last-child {
    border-bottom: none;
}

.data-row span:first-child {
    color: #64748b;
}

.data-row span:last-child {
    font-weight: 600;
    color: #1e293b;
}

/* ========================================
   Main Content
   ======================================== */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 32px;
    overflow-y: auto;
}

.page-header {
    margin-bottom: 24px;
}

.page-header h2 {
    font-size: 24px;
    font-weight: 700;
    color: #1e293b;
}

.page-header p {
    color: #64748b;
    margin-top: 4px;
    font-size: 14px;
}

/* Benchmark Info */
.benchmark-info {
    background: linear-gradient(135deg, #eff6ff, #dbeafe);
    border: 1px solid #93c5fd;
    border-radius: 10px;
    padding: 12px 16px;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
}

.benchmark-info svg {
    color: #3b82f6;
    flex-shrink: 0;
}

.benchmark-info p {
    font-size: 13px;
    color: #1e40af;
}

.benchmark-info a {
    color: #2563eb;
    font-weight: 500;
}

/* ========================================
   Stats Cards
   ======================================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid #f1f5f9;
}

.stat-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.stat-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.stat-card-title {
    font-size: 13px;
    color: #64748b;
    font-weight: 500;
}

.stat-card-value {
    font-size: 28px;
    font-weight: 700;
    margin-top: 4px;
}

.stat-card-subtitle {
    font-size: 12px;
    color: #94a3b8;
    margin-top: 2px;
}

.stat-card-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.stat-card-source {
    margin-top: 8px;
    font-size: 10px;
    color: #94a3b8;
    font-style: italic;
}

/* ========================================
   Charts
   ======================================== */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    margin-bottom: 24px;
}

.chart-card {
    background: white;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    border: 1px solid #f1f5f9;
}

.chart-card h3 {
    font-size: 15px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 4px;
}

.chart-card .chart-source {
    font-size: 11px;
    color: #94a3b8;
    margin-bottom: 16px;
}

.chart-container {
    position: relative;
    height: 280px;
}

.full-width-card {
    grid-column: span 2;
}

/* ========================================
   Tabs
   ======================================== */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ========================================
   Tables
   ======================================== */
.data-table {
    background: white;
    border-radius: 12px;
    padding: 24px;
    border: 1px solid #f1f5f9;
    margin-bottom: 24px;
    overflow-x: auto;
}

.data-table h3 {
    font-size: 15px;
    font-weight: 600;
    color: #1e293b;
    margin-bottom: 4px;
}

.data-table .table-source {
    font-size: 11px;
    color: #94a3b8;
    margin-bottom: 16px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

th {
    text-align: left;
    padding: 12px;
    font-weight: 600;
    color: #475569;
    border-bottom: 2px solid #e2e8f0;
    background: #f8fafc;
}

td {
    padding: 12px;
    color: #1e293b;
    border-bottom: 1px solid #f1f5f9;
}

tr:hover {
    background: #fafafa;
}

/* ========================================
   Badges
   ======================================== */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
}

.badge-success {
    background: #ecfdf5;
    color: #059669;
}

.badge-danger {
    background: #fef2f2;
    color: #dc2626;
}

.badge-info {
    background: #eff6ff;
    color: #2563eb;
}

.badge-warning {
    background: #fef3c7;
    color: #d97706;
}

/* ========================================
   Feature Bars
   ======================================== */
.feature-bar {
    display: flex;
    align-items: center;
    margin-bottom: 12px;
}

.feature-name {
    width: 120px;
    font-size: 12px;
    color: #475569;
    font-weight: 500;
}

.feature-bar-container {
    flex: 1;
    height: 24px;
    background: #f1f5f9;
    border-radius: 4px;
    overflow: hidden;
    margin-right: 12px;
}

.feature-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, #6366f1, #8b5cf6);
    border-radius: 4px;
}

.feature-value {
    width: 50px;
    font-size: 12px;
    font-weight: 600;
    color: #1e293b;
    text-align: right;
}

/* ========================================
   Model Cards
   ======================================== */
.model-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.model-card {
    background: white;
    border-radius: 12px;
    padding: 20px;
    border: 1px solid #f1f5f9;
}

.model-card:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.model-card.best {
    border-color: #6366f1;
    background: linear-gradient(135deg, #fafafe, #f5f3ff);
}

.model-card.best::before {
    content: '★ Best Model';
    display: block;
    font-size: 10px;
    font-weight: 600;
    color: #6366f1;
    margin-bottom: 8px;
    text-transform: uppercase;
}

.model-card h4 {
    font-size: 16px;
    font-weight: 600;
    color: #1e293b;
}

.model-card .model-type {
    font-size: 12px;
    color: #64748b;
    margin-bottom: 12px;
}

.metric-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid #f1f5f9;
    font-size: 13px;
}

.metric-row:last-child {
    border-bottom: none;
}

.metric-row span:first-child {
    color: #64748b;
}

.metric-row span:last-child {
    font-weight: 600;
    color: #1e293b;
}

/* ========================================
   Confusion Matrix
   ======================================== */
.cm-grid {
    display: grid;
    grid-template-columns: auto 1fr 1fr;
    gap: 4px;
    max-width: 280px;
    margin: 20px auto;
}

.cm-cell {
    padding: 14px;
    text-align: center;
    font-weight: 600;
    border-radius: 6px;
    font-size: 14px;
}

.cm-header {
    font-size: 11px;
    color: #64748b;
    padding: 8px;
    text-align: center;
}

.cm-label {
    font-size: 11px;
    color: #64748b;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cm-tp {
    background: #dcfce7;
    color: #166534;
}

.cm-tn {
    background: #dbeafe;
    color: #1e40af;
}

.cm-fp {
    background: #fef3c7;
    color: #92400e;
}

.cm-fn {
    background: #fee2e2;
    color: #991b1b;
}

/* ========================================
   ROC Stats
   ======================================== */
.roc-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.roc-stat {
    text-align: center;
    padding: 12px;
    background: #f8fafc;
    border-radius: 8px;
}

.roc-stat .value {
    font-size: 24px;
    font-weight: 700;
    color: #6366f1;
}

.roc-stat .label {
    font-size: 11px;
    color: #64748b;
}

/* ========================================
   Clinical Notes & NLP
   ======================================== */
.clinical-note {
    background: #f8fafc;
    border-radius: 10px;
    padding: 16px;
    font-size: 14px;
    line-height: 1.8;
    color: #475569;
    border-left: 4px solid #6366f1;
}

.entity {
    padding: 2px 6px;
    border-radius: 4px;
    font-weight: 500;
}

.entity-condition {
    background: #fce7f3;
    color: #be185d;
}

.entity-symptom {
    background: #fef3c7;
    color: #92400e;
}

.entity-medication {
    background: #dcfce7;
    color: #166534;
}

.entity-procedure {
    background: #dbeafe;
    color: #1e40af;
}

/* ========================================
   Fairness Section
   ======================================== */
.fairness-banner {
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    border-radius: 12px;
    padding: 24px;
    color: white;
    margin-bottom: 24px;
}

.fairness-banner h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 8px;
}

.fairness-banner p {
    color: #c7d2fe;
    font-size: 14px;
}

/* ========================================
   References
   ======================================== */
.references {
    background: #f8fafc;
    border-radius: 12px;
    padding: 20px;
    margin-top: 24px;
}

.references h4 {
    font-size: 14px;
    font-weight: 600;
    color: #475569;
    margin-bottom: 12px;
}

.references ul {
    list-style: none;
    font-size: 12px;
    color: #64748b;
}

.references li {
    padding: 6px 0;
    border-bottom: 1px solid #e2e8f0;
}

.references li:last-child {
    border-bottom: none;
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1200px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .model-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .sidebar {
        display: none;
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .full-width-card {
        grid-column: span 1;
    }
    
    .model-grid {
        grid-template-columns: 1fr;
    }
}