/* ==========================================
   DRHI - Democratic Rhetorical Health Index
   Main Stylesheet
   ========================================== */

/* === Light Theme (default) === */
:root, [data-theme="light"] {
    /* Color System */
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --primary-light: #dbeafe;
    --secondary: #64748b;
    --success: #059669;
    --success-light: #d1fae5;
    --warning: #d97706;
    --warning-light: #fef3c7;
    --danger: #dc2626;
    --danger-light: #fee2e2;
    --critical: #1e1b4b;
    --caution: #ea580c;
    --caution-light: #ffedd5;
    --moderate: #ca8a04;
    --healthy: #059669;
    
    /* Neutrals */
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --bg-dark: #0f172a;
    --bg-input: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --text-muted: #94a3b8;
    --border: #e2e8f0;
    --border-light: #f1f5f9;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 8px 10px -6px rgba(0,0,0,0.1);
    
    /* Spacing & Radius */
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --nav-height: 70px;
}

/* === Dark Theme === */
[data-theme="dark"] {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #312e81;
    --secondary: #94a3b8;
    --success: #34d399;
    --success-light: #064e3b;
    --warning: #fbbf24;
    --warning-light: #78350f;
    --danger: #f87171;
    --danger-light: #7f1d1d;
    --critical: #c4b5fd;
    --caution: #fb923c;
    --caution-light: #7c2d12;
    --moderate: #facc15;
    --healthy: #34d399;
    
    --bg: #0f172a;
    --bg-card: #1e293b;
    --bg-dark: #0f172a;
    --bg-input: #1e293b;
    --text: #f1f5f9;
    --text-light: #94a3b8;
    --text-muted: #64748b;
    --border: #334155;
    --border-light: #1e293b;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow: 0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -2px rgba(0,0,0,0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.4), 0 4px 6px -4px rgba(0,0,0,0.3);
    --shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.4), 0 8px 10px -6px rgba(0,0,0,0.3);
}

/* Dark theme specific overrides */
[data-theme="dark"] .main-nav {
    background: #0a0f1e;
    border-bottom: 1px solid #1e293b;
}

[data-theme="dark"] input,
[data-theme="dark"] textarea,
[data-theme="dark"] select {
    background: var(--bg-input);
    color: var(--text);
    border-color: var(--border);
}

[data-theme="dark"] input::placeholder,
[data-theme="dark"] textarea::placeholder {
    color: var(--text-muted);
}

[data-theme="dark"] .method-table th {
    background: var(--primary-dark);
    color: #f1f5f9;
    border-color: var(--border);
}

[data-theme="dark"] .method-table td {
    border-color: var(--border);
    color: #cbd5e1;
}

[data-theme="dark"] .method-table td strong {
    color: #f1f5f9;
}

[data-theme="dark"] .color-dot.danger { background: #f87171; }
[data-theme="dark"] .color-dot.warning { background: #fbbf24; }
[data-theme="dark"] .color-dot.caution { background: #fb923c; }
[data-theme="dark"] .color-dot.moderate { background: #facc15; }
[data-theme="dark"] .color-dot.healthy { background: #34d399; }

[data-theme="dark"] .data-table th {
    background: #1e293b;
    color: var(--text);
}

[data-theme="dark"] .data-table td {
    border-color: var(--border);
    color: var(--text-light);
}

[data-theme="dark"] .data-table tr:hover td {
    background: rgba(99, 102, 241, 0.1);
}

[data-theme="dark"] .modal-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
}

[data-theme="dark"] .modal-overlay {
    background: rgba(0,0,0,0.7);
}

/* Dark mode: Methodology variable cards - text visibility fix */
[data-theme="dark"] .vd-header.v1 { background: linear-gradient(135deg, #1e3a5f, #172554) !important; }
[data-theme="dark"] .vd-header.v2 { background: linear-gradient(135deg, #3b1f5e, #2e1065) !important; }
[data-theme="dark"] .vd-header.v3 { background: linear-gradient(135deg, #14432a, #052e16) !important; }
[data-theme="dark"] .vd-header.v4 { background: linear-gradient(135deg, #4a2c0a, #431407) !important; }
[data-theme="dark"] .vd-header.v5 { background: linear-gradient(135deg, #4a1515, #450a0a) !important; }
[data-theme="dark"] .vd-header.v6 { background: linear-gradient(135deg, #1a365d, #0c1f3d) !important; }

[data-theme="dark"] .vd-header h3 {
    color: #f1f5f9;
}

[data-theme="dark"] .vd-en {
    color: #94a3b8;
}

[data-theme="dark"] .vd-num {
    background: rgba(255,255,255,0.15);
    color: #fff;
}

[data-theme="dark"] .vd-signal.healthy {
    background: rgba(5, 150, 105, 0.12) !important;
    border: 1px solid rgba(52, 211, 153, 0.25);
}

[data-theme="dark"] .vd-signal.danger {
    background: rgba(220, 38, 38, 0.12) !important;
    border: 1px solid rgba(248, 113, 113, 0.25);
}

[data-theme="dark"] .vd-signal p,
[data-theme="dark"] .vd-signal strong {
    color: #e2e8f0 !important;
}

[data-theme="dark"] .vd-body {
    color: #e2e8f0;
}

[data-theme="dark"] .vd-body p {
    color: #cbd5e1;
}

[data-theme="dark"] .vd-example {
    background: rgba(255,255,255,0.05);
    color: #94a3b8;
}

/* Dark mode: Method card & intro card */
[data-theme="dark"] .method-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
}

[data-theme="dark"] .method-card p,
[data-theme="dark"] .method-card h3,
[data-theme="dark"] .method-card h4 {
    color: #e2e8f0;
}

[data-theme="dark"] .method-section h2 {
    color: #f1f5f9;
}

/* Dark mode: Comparison box */
[data-theme="dark"] .compare-item {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
}

[data-theme="dark"] .compare-item h4 {
    color: #f1f5f9;
}

[data-theme="dark"] .compare-item p {
    color: #94a3b8;
}

[data-theme="dark"] .compare-vs {
    color: #64748b;
}

/* Dark mode: Formula box */
[data-theme="dark"] .formula-box {
    background: rgba(255,255,255,0.03);
    border-color: var(--border);
}

[data-theme="dark"] .formula {
    background: var(--bg-card);
    border-left-color: var(--primary);
    border: 1px solid var(--border);
    border-left: 4px solid var(--primary);
}

[data-theme="dark"] .formula p {
    color: #e2e8f0;
}

[data-theme="dark"] .formula p strong {
    color: #f1f5f9;
}

[data-theme="dark"] .formula-range {
    color: #64748b;
}

/* Dark mode: Health levels - individual row overrides for specificity */
[data-theme="dark"] .level-row {
    border: 1px solid var(--border);
}

[data-theme="dark"] .level-row.level-critical {
    background: rgba(76, 29, 149, 0.2) !important;
    border-left: 4px solid #7c3aed;
}

[data-theme="dark"] .level-row.level-warning {
    background: rgba(220, 38, 38, 0.12) !important;
    border-left: 4px solid #f87171;
}

[data-theme="dark"] .level-row.level-caution {
    background: rgba(234, 88, 12, 0.12) !important;
    border-left: 4px solid #fb923c;
}

[data-theme="dark"] .level-row.level-moderate {
    background: rgba(202, 138, 4, 0.12) !important;
    border-left: 4px solid #facc15;
}

[data-theme="dark"] .level-row.level-healthy {
    background: rgba(5, 150, 105, 0.12) !important;
    border-left: 4px solid #34d399;
}

[data-theme="dark"] .level-range {
    color: #e2e8f0;
}

[data-theme="dark"] .level-badge {
    color: inherit;
}

[data-theme="dark"] .level-desc {
    color: #94a3b8;
}

/* Dark mode: Procedure steps */
[data-theme="dark"] .proc-step {
    background: rgba(255,255,255,0.03);
    border-bottom: 1px solid var(--border);
    padding-bottom: 1rem;
}

[data-theme="dark"] .proc-content h4 {
    color: #f1f5f9;
}

[data-theme="dark"] .proc-content p {
    color: #94a3b8;
}

/* Dark mode: Principle items */
[data-theme="dark"] .principle-item {
    background: rgba(255,255,255,0.03);
    border-color: var(--border);
}

[data-theme="dark"] .principle-item h4 {
    color: #f1f5f9;
}

[data-theme="dark"] .principle-item p {
    color: #94a3b8;
}

/* Dark mode: Report sections */
[data-theme="dark"] .report-verdict-section {
    background: linear-gradient(135deg, var(--bg-card) 0%, #1e1b4b 100%);
    border-color: var(--primary);
}

[data-theme="dark"] .highlight-chip.positive {
    background: rgba(52, 211, 153, 0.15);
    color: #34d399;
    border-color: rgba(52, 211, 153, 0.4);
}

[data-theme="dark"] .highlight-chip.negative {
    background: rgba(248, 113, 113, 0.15);
    color: #f87171;
    border-color: rgba(248, 113, 113, 0.4);
}

[data-theme="dark"] .report-verdict-tag.v-moderate {
    background: rgba(250, 204, 21, 0.15);
    color: #facc15;
    border-color: rgba(250, 204, 21, 0.4);
}

[data-theme="dark"] .result-health-badge.level-moderate {
    background: rgba(250, 204, 21, 0.15);
    border-color: var(--moderate);
    color: #facc15;
}

[data-theme="dark"] .rdc-evidence {
    background: rgba(99, 102, 241, 0.1);
    border-color: rgba(99, 102, 241, 0.3);
}

[data-theme="dark"] .rdc-signal-healthy {
    background: rgba(52, 211, 153, 0.1);
    border-color: rgba(52, 211, 153, 0.2);
}

[data-theme="dark"] .rdc-signal-danger {
    background: rgba(248, 113, 113, 0.1);
    border-color: rgba(248, 113, 113, 0.2);
}

/* Theme toggle button styles */
.nav-controls {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-left: auto;
    padding-right: 16px;
}

.btn-nav-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.15);
    background: rgba(255,255,255,0.08);
    color: #e2e8f0;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 0.9rem;
    position: relative;
}

.btn-nav-toggle:hover {
    background: rgba(255,255,255,0.15);
    border-color: rgba(255,255,255,0.25);
    color: #fff;
}

.btn-nav-toggle .lang-label {
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

/* Sun/Moon icon toggle */
.btn-nav-toggle .theme-icon { display: none; }
[data-theme="light"] .btn-nav-toggle .theme-icon-moon { display: inline; }
[data-theme="light"] .btn-nav-toggle .theme-icon-sun { display: none; }
[data-theme="dark"] .btn-nav-toggle .theme-icon-sun { display: inline; }
[data-theme="dark"] .btn-nav-toggle .theme-icon-moon { display: none; }
/* Default (no data-theme = light) */
.btn-nav-toggle .theme-icon-moon { display: inline; }

/* Home link in nav */
.nav-home-link {
    color: #e2e8f0;
    text-decoration: none;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 8px;
    transition: all 0.2s;
    border: 1px solid transparent;
}
.nav-home-link:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans KR', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    min-height: 100vh;
    padding-top: var(--nav-height);
}

/* ==========================================
   Navigation
   ========================================== */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: var(--bg-dark);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 1000;
    box-shadow: var(--shadow-lg);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.2rem;
}

.brand-text {
    display: flex;
    flex-direction: column;
}

.brand-name {
    color: #fff;
    font-size: 1.3rem;
    font-weight: 800;
    letter-spacing: 2px;
    line-height: 1.2;
}

.brand-sub {
    color: var(--text-muted);
    font-size: 0.65rem;
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 4px;
}

.nav-link {
    color: #94a3b8;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link:hover {
    color: #fff;
    background: rgba(255,255,255,0.08);
}

.nav-link.active {
    color: #fff;
    background: var(--primary);
}

.nav-mobile-toggle {
    display: none;
    color: #fff;
    font-size: 1.4rem;
    cursor: pointer;
    padding: 8px;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--bg-dark);
    padding: 8px 16px 16px;
    z-index: 999;
    flex-direction: column;
    gap: 4px;
    box-shadow: var(--shadow-lg);
}

.mobile-nav.open {
    display: flex;
}

/* ==========================================
   Pages
   ========================================== */
.page {
    display: none;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
    animation: fadeIn 0.3s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.page-header {
    margin-bottom: 2rem;
}

.page-header h1 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-header h1 i {
    color: var(--primary);
}

.page-desc {
    color: var(--text-light);
    margin-top: 6px;
    font-size: 0.95rem;
}

/* ==========================================
   Summary Cards
   ========================================== */
.summary-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.2rem;
    margin-bottom: 2rem;
}

.summary-card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: transform 0.2s, box-shadow 0.2s;
}

.summary-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    flex-shrink: 0;
}

.card-total .card-icon { background: var(--primary-light); color: var(--primary); }
.card-avg .card-icon { background: #f3e8ff; color: #7c3aed; }
.card-healthy .card-icon { background: var(--success-light); color: var(--success); }
.card-critical .card-icon { background: var(--danger-light); color: var(--danger); }

.card-info {
    display: flex;
    flex-direction: column;
}

.card-value {
    font-size: 1.8rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--text);
}

.card-label {
    font-size: 0.82rem;
    color: var(--text-light);
    font-weight: 500;
}

/* ==========================================
   Charts
   ========================================== */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.charts-grid.single {
    grid-template-columns: 1fr;
}

.chart-container {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.chart-container.wide {
    grid-column: 1 / -1;
}

.chart-container h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.chart-container h3 i {
    color: var(--primary);
}

.chart-wrap {
    position: relative;
}

/* ==========================================
   Data Tables
   ========================================== */
.recent-section {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}

.recent-section h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.recent-section h3 i {
    color: var(--primary);
}

.table-responsive {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.data-table thead th {
    background: var(--bg);
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--text-light);
    border-bottom: 2px solid var(--border);
    white-space: nowrap;
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table tbody td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text);
}

.data-table tbody tr:hover {
    background: var(--border-light);
}

.empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.empty-state p {
    font-size: 0.95rem;
    margin-bottom: 1rem;
}

/* ==========================================
   Buttons
   ========================================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    background: var(--border-light);
}

.btn-success {
    background: var(--success);
    color: #fff;
}

.btn-success:hover {
    background: #047857;
}

.btn-danger {
    background: var(--danger);
    color: #fff;
}

.btn-danger:hover {
    background: #b91c1c;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.82rem;
}

.btn-icon {
    width: 34px;
    height: 34px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    font-size: 0.85rem;
}

.hidden {
    display: none !important;
}

/* ==========================================
   Evaluation Wizard
   ========================================== */
.eval-wizard {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    overflow: hidden;
}

.wizard-progress {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, #0f172a, #1e293b);
    gap: 0;
}

.progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    position: relative;
}

.step-num {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    color: #94a3b8;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    border: 2px solid rgba(255,255,255,0.15);
    transition: all 0.3s;
}

.progress-step.active .step-num {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.3);
}

.progress-step.completed .step-num {
    background: var(--success);
    color: #fff;
    border-color: var(--success);
}

.progress-step span {
    font-size: 0.72rem;
    color: #64748b;
    font-weight: 500;
}

.progress-step.active span {
    color: #fff;
}

.progress-step.completed span {
    color: #10b981;
}

.progress-line {
    flex: 1;
    height: 2px;
    background: rgba(255,255,255,0.1);
    margin: 0 12px;
    margin-bottom: 20px;
    max-width: 120px;
}

.wizard-step {
    display: none;
    padding: 2rem;
}

.wizard-step.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.step-content h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.step-desc {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

/* Form Elements */
.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
    margin-bottom: 1.2rem;
}

.form-group {
    margin-bottom: 1rem;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 6px;
}

.form-group label i {
    color: var(--primary);
    margin-right: 4px;
}

.required {
    color: var(--danger);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    background: var(--bg-card);
    color: var(--text);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.form-group textarea {
    resize: vertical;
    line-height: 1.6;
}

/* ==========================================
   File Upload Zone
   ========================================== */
.file-upload-zone {
    position: relative;
    border: 2px dashed var(--border);
    border-radius: var(--radius);
    padding: 32px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.3s, background 0.3s, box-shadow 0.3s, transform 0.2s;
    background: var(--bg);
    margin-bottom: 0;
}

.file-upload-zone:hover,
.file-upload-zone.drag-over {
    border-color: var(--primary);
    background: rgba(37, 99, 235, 0.04);
    box-shadow: 0 0 20px rgba(37, 99, 235, 0.08);
}

.file-upload-zone.drag-over {
    transform: scale(1.01);
    border-color: var(--healthy);
    background: rgba(5, 150, 105, 0.04);
}

.upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}

.upload-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: rgba(37, 99, 235, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--primary);
    transition: all 0.3s;
}

.file-upload-zone:hover .upload-icon-wrapper,
.file-upload-zone.drag-over .upload-icon-wrapper {
    background: rgba(37, 99, 235, 0.15);
    color: var(--primary-dark);
    transform: translateY(-3px);
}

.upload-text h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.upload-text p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.upload-formats {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px;
    margin-top: 12px;
}

.format-tag {
    padding: 4px 10px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 50px;
    font-size: 0.72rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 4px;
}

.format-tag i {
    font-size: 0.68rem;
    color: var(--primary);
}

/* Upload Loading */
.upload-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 16px;
    font-size: 0.9rem;
    color: var(--text-light);
}

.upload-loading.hidden,
.upload-success.hidden {
    display: none;
}

.upload-spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: fileUploadSpin 0.8s linear infinite;
}

@keyframes fileUploadSpin {
    to { transform: rotate(360deg); }
}

/* Upload Success */
.upload-success {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 20px;
    background: rgba(5, 150, 105, 0.06);
    border: 1px solid rgba(5, 150, 105, 0.2);
    border-radius: var(--radius-sm);
    font-size: 0.88rem;
    color: var(--healthy);
}

.upload-success i {
    font-size: 1.1rem;
}

.btn-upload-clear {
    width: 28px;
    height: 28px;
    border: 1px solid rgba(5, 150, 105, 0.3);
    border-radius: 50%;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    margin-left: 8px;
    font-size: 0.8rem;
}

.btn-upload-clear:hover {
    background: rgba(220, 38, 38, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

/* Input Divider */
.input-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 16px 0;
    color: var(--text-muted);
    font-size: 0.82rem;
}

.input-divider::before,
.input-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.input-divider span {
    white-space: nowrap;
}

/* Dark mode: File Upload Zone */
[data-theme="dark"] .file-upload-zone {
    border-color: var(--border);
    background: rgba(255, 255, 255, 0.02);
}

[data-theme="dark"] .file-upload-zone:hover,
[data-theme="dark"] .file-upload-zone.drag-over {
    border-color: var(--primary);
    background: rgba(99, 102, 241, 0.06);
}

[data-theme="dark"] .file-upload-zone.drag-over {
    border-color: var(--healthy);
    background: rgba(52, 211, 153, 0.06);
}

[data-theme="dark"] .upload-icon-wrapper {
    background: rgba(99, 102, 241, 0.12);
    color: #818cf8;
}

[data-theme="dark"] .file-upload-zone:hover .upload-icon-wrapper,
[data-theme="dark"] .file-upload-zone.drag-over .upload-icon-wrapper {
    background: rgba(99, 102, 241, 0.22);
    color: #a5b4fc;
}

[data-theme="dark"] .upload-text h4 {
    color: var(--text);
}

[data-theme="dark"] .format-tag {
    background: rgba(255, 255, 255, 0.05);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--text-muted);
}

[data-theme="dark"] .format-tag i {
    color: #818cf8;
}

[data-theme="dark"] .upload-success {
    background: rgba(52, 211, 153, 0.08);
    border-color: rgba(52, 211, 153, 0.2);
    color: #34d399;
}

[data-theme="dark"] .btn-upload-clear {
    border-color: rgba(52, 211, 153, 0.3);
    color: #94a3b8;
}

[data-theme="dark"] .btn-upload-clear:hover {
    background: rgba(248, 113, 113, 0.15);
    border-color: #f87171;
    color: #f87171;
}

[data-theme="dark"] .upload-spinner {
    border-color: rgba(255, 255, 255, 0.1);
    border-top-color: #818cf8;
}

/* Variable Cards */
.variable-card {
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: border-color 0.3s;
}

.variable-card.scored {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.1);
}

.var-header {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.var-number {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: #fff;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    flex-shrink: 0;
}

.var-title h3 {
    font-size: 1.1rem;
    font-weight: 700;
}

.var-en {
    font-weight: 400;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.var-title p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-top: 2px;
}

/* Rubric Guide */
.rubric-guide {
    margin-bottom: 1rem;
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--border);
}

.rubric-row {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 8px 14px;
    font-size: 0.82rem;
    border-bottom: 1px solid var(--border-light);
}

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

.rubric-score {
    font-weight: 700;
    min-width: 36px;
    text-align: center;
    padding: 2px 0;
    border-radius: 4px;
    flex-shrink: 0;
}

.rubric-danger { background: #fef2f2; }
.rubric-danger .rubric-score { color: var(--danger); }
.rubric-warning { background: #fffbeb; }
.rubric-warning .rubric-score { color: var(--warning); }
.rubric-caution { background: #fff7ed; }
.rubric-caution .rubric-score { color: var(--caution); }
.rubric-moderate { background: #fefce8; }
.rubric-moderate .rubric-score { color: var(--moderate); }
.rubric-healthy { background: #ecfdf5; }
.rubric-healthy .rubric-score { color: var(--success); }

.rubric-desc {
    color: var(--text-light);
    line-height: 1.5;
}

/* Score Buttons */
.score-input {
    margin-bottom: 1rem;
}

.score-input label {
    font-size: 0.85rem;
    font-weight: 600;
    display: block;
    margin-bottom: 8px;
}

.score-buttons {
    display: flex;
    gap: 8px;
}

.score-btn {
    width: 52px;
    height: 52px;
    border: 2px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
}

.score-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
}

.score-btn.selected {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.score-btn[data-score="1"].selected { background: var(--danger); border-color: var(--danger); box-shadow: 0 0 0 3px rgba(220,38,38,0.2); }
.score-btn[data-score="2"].selected { background: var(--warning); border-color: var(--warning); box-shadow: 0 0 0 3px rgba(217,119,6,0.2); }
.score-btn[data-score="3"].selected { background: var(--caution); border-color: var(--caution); box-shadow: 0 0 0 3px rgba(234,88,12,0.2); }
.score-btn[data-score="4"].selected { background: var(--moderate); border-color: var(--moderate); box-shadow: 0 0 0 3px rgba(202,138,4,0.2); }
.score-btn[data-score="5"].selected { background: var(--success); border-color: var(--success); box-shadow: 0 0 0 3px rgba(5,150,105,0.2); }

/* Wizard Navigation */
.wizard-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-top: 1px solid var(--border);
    background: var(--bg);
}

.wizard-nav-center {
    flex: 1;
    text-align: center;
}

.step-indicator {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* ==========================================
   Result Preview
   ========================================== */
.result-preview {
    background: var(--bg);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.result-header {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.result-gauge-wrap {
    position: relative;
    width: 220px;
    height: 220px;
    flex-shrink: 0;
}

.gauge-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
}

.gauge-score {
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--text);
    line-height: 1;
}

.gauge-max {
    font-size: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

.result-info {
    flex: 1;
}

.result-health-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    background: var(--bg);
    border: 2px solid var(--border);
    color: var(--text-muted);
}

.result-health-badge.level-healthy { background: var(--success-light); border-color: var(--success); color: var(--success); }
.result-health-badge.level-moderate { background: #fef9c3; border-color: var(--moderate); color: #854d0e; }
.result-health-badge.level-caution { background: var(--caution-light); border-color: var(--caution); color: var(--caution); }
.result-health-badge.level-warning { background: var(--danger-light); border-color: var(--danger); color: var(--danger); }
.result-health-badge.level-critical { background: #1e1b4b; border-color: #312e81; color: #c4b5fd; }

.result-meta p {
    font-size: 0.9rem;
    margin-bottom: 4px;
    color: var(--text-light);
}

.result-meta p strong {
    color: var(--text);
}

.result-radar-wrap {
    margin-bottom: 2rem;
}

.result-radar-wrap h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.result-breakdown {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.breakdown-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem;
}

.breakdown-item .bi-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.breakdown-item .bi-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text);
}

.breakdown-item .bi-score {
    font-size: 1.1rem;
    font-weight: 800;
}

.bi-score.score-1 { color: var(--danger); }
.bi-score.score-2 { color: var(--warning); }
.bi-score.score-3 { color: var(--caution); }
.bi-score.score-4 { color: var(--moderate); }
.bi-score.score-5 { color: var(--success); }

.breakdown-item .bi-bar {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
}

.breakdown-item .bi-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.5s ease;
}

.bi-fill.fill-1 { background: var(--danger); width: 20%; }
.bi-fill.fill-2 { background: var(--warning); width: 40%; }
.bi-fill.fill-3 { background: var(--caution); width: 60%; }
.bi-fill.fill-4 { background: var(--moderate); width: 80%; }
.bi-fill.fill-5 { background: var(--success); width: 100%; }

/* ==========================================
   History Page
   ========================================== */
.history-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 250px;
    position: relative;
}

.search-box i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 10px 14px 10px 42px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    background: var(--bg-card);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.filter-group select {
    padding: 10px 14px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-family: inherit;
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
}

.filter-group select:focus {
    outline: none;
    border-color: var(--primary);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 1.5rem;
}

.pagination button {
    width: 36px;
    height: 36px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--bg-card);
    color: var(--text);
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
}

.pagination button.active {
    background: var(--primary);
    color: #fff;
    border-color: var(--primary);
}

.pagination button:hover:not(.active) {
    border-color: var(--primary);
    color: var(--primary);
}

/* Health Badges */
.health-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge-healthy { background: var(--success-light); color: var(--success); }
.badge-moderate { background: #fef9c3; color: #854d0e; }
.badge-caution { background: var(--caution-light); color: var(--caution); }
.badge-warning { background: var(--danger-light); color: var(--danger); }
.badge-critical { background: #ede9fe; color: #4c1d95; }

/* Score Cell */
.score-cell {
    font-weight: 700;
    text-align: center;
}

.score-cell.s1 { color: var(--danger); }
.score-cell.s2 { color: var(--warning); }
.score-cell.s3 { color: var(--caution); }
.score-cell.s4 { color: var(--moderate); }
.score-cell.s5 { color: var(--success); }

/* ==========================================
   Methodology Page
   ========================================== */
.methodology-content {
    max-width: 1000px;
    margin: 0 auto;
}

.method-section {
    margin-bottom: 3rem;
}

.method-section h2 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.method-section h2 i {
    color: var(--primary);
}

.method-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
}

.intro-card {
    font-size: 1rem;
    line-height: 1.9;
}

.intro-card p {
    margin-bottom: 1rem;
}

/* Comparison Box */
.comparison-box {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 1.5rem;
    padding: 1.5rem;
    background: var(--bg);
    border-radius: var(--radius-sm);
}

.compare-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border);
    flex: 1;
}

.compare-item.highlight {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.compare-item h4 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.compare-item p {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 8px;
}

.compare-tag {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--primary-light);
    color: var(--primary);
}

.compare-vs {
    font-size: 1.2rem;
    font-weight: 900;
    color: var(--text-muted);
}

/* Variable Detail Grid */
.variable-detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.2rem;
}

.var-detail-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
}

.vd-header {
    padding: 1.2rem;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.vd-header.v1 { background: linear-gradient(135deg, #eff6ff, #dbeafe); }
.vd-header.v2 { background: linear-gradient(135deg, #fdf4ff, #f3e8ff); }
.vd-header.v3 { background: linear-gradient(135deg, #ecfdf5, #d1fae5); }
.vd-header.v4 { background: linear-gradient(135deg, #fff7ed, #ffedd5); }
.vd-header.v5 { background: linear-gradient(135deg, #fef2f2, #fee2e2); }
.vd-header.v6 { background: linear-gradient(135deg, #f0f9ff, #e0f2fe); }

.vd-num {
    width: 36px;
    height: 36px;
    background: var(--bg-dark);
    color: #fff;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.85rem;
}

.vd-header h3 {
    font-size: 1rem;
    font-weight: 700;
    flex: 1;
}

.vd-en {
    font-size: 0.75rem;
    color: var(--text-muted);
    width: 100%;
}

.vd-body {
    padding: 1.2rem;
}

.vd-signal {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    font-size: 0.85rem;
    line-height: 1.6;
}

.vd-signal.healthy {
    background: #ecfdf5;
}

.vd-signal.danger {
    background: #fef2f2;
}

.signal-icon {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.vd-example {
    margin-top: 8px;
    padding: 8px 12px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    color: var(--text-light);
}

/* Method Table */
.method-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1rem 0 2rem;
}

.method-table thead th {
    background: var(--bg);
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    font-size: 0.85rem;
    border-bottom: 2px solid var(--border);
}

.method-table tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--border-light);
    font-size: 0.9rem;
}

.color-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    display: inline-block;
}

.color-dot.danger { background: var(--danger); }
.color-dot.warning { background: var(--warning); }
.color-dot.caution { background: var(--caution); }
.color-dot.moderate { background: var(--moderate); }
.color-dot.healthy { background: var(--success); }

/* Formula Box */
.formula-box {
    display: flex;
    gap: 1.5rem;
    margin: 1rem 0 2rem;
    flex-wrap: wrap;
}

.formula {
    flex: 1;
    min-width: 250px;
    padding: 1.2rem;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary);
}

.formula p {
    font-size: 0.95rem;
    font-family: 'Inter', monospace;
}

.formula-range {
    color: var(--text-muted);
    font-size: 0.82rem !important;
    margin-top: 6px;
}

/* Health Levels */
.health-levels {
    margin-top: 1rem;
}

.level-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.level-row.level-critical { background: #f5f3ff; }
.level-row.level-warning { background: #fef2f2; }
.level-row.level-caution { background: #fff7ed; }
.level-row.level-moderate { background: #fefce8; }
.level-row.level-healthy { background: #ecfdf5; }

.level-range {
    font-weight: 700;
    font-family: 'Inter', monospace;
    min-width: 80px;
    font-size: 0.9rem;
}

.level-badge {
    font-weight: 600;
    min-width: 160px;
    font-size: 0.85rem;
}

.level-desc {
    flex: 1;
    color: var(--text-light);
    font-size: 0.85rem;
}

/* Procedure Steps */
.procedure-steps {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.proc-step {
    display: flex;
    align-items: flex-start;
    gap: 1.2rem;
}

.proc-num {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), #7c3aed);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.proc-content h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 2px;
}

.proc-content p {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* Principle Grid */
.principle-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.principle-item {
    text-align: center;
    padding: 1.5rem;
    background: var(--bg);
    border-radius: var(--radius-sm);
}

.principle-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.principle-item h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.principle-item p {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.6;
}

/* ==========================================
   Modal
   ========================================== */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-overlay.open {
    display: flex;
}

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    max-width: 900px;
    width: 100%;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-xl);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h2 {
    font-size: 1.2rem;
    font-weight: 700;
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg);
    border-radius: 50%;
    cursor: pointer;
    font-size: 1rem;
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.modal-close:hover {
    background: var(--danger-light);
    color: var(--danger);
}

.modal-body {
    padding: 2rem;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    padding: 1rem 2rem;
    border-top: 1px solid var(--border);
}

/* Modal Detail Content */
.detail-section {
    margin-bottom: 1.5rem;
}

.detail-section h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--primary);
}

.detail-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}

.detail-item {
    padding: 10px 14px;
    background: var(--bg);
    border-radius: var(--radius-sm);
}

.detail-item .di-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.detail-item .di-value {
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--text);
    margin-top: 2px;
}

.detail-var-list {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.detail-var {
    padding: 1rem;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border-left: 4px solid var(--primary);
}

.detail-var .dv-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.detail-var .dv-name {
    font-weight: 700;
    font-size: 0.9rem;
}

.detail-var .dv-score {
    font-weight: 800;
    font-size: 1rem;
}

.detail-var .dv-evidence {
    font-size: 0.85rem;
    color: var(--text-light);
    line-height: 1.6;
    margin-top: 4px;
    font-style: italic;
}

.detail-var.dv-1 { border-left-color: var(--danger); }
.detail-var.dv-2 { border-left-color: var(--warning); }
.detail-var.dv-3 { border-left-color: var(--caution); }
.detail-var.dv-4 { border-left-color: var(--moderate); }
.detail-var.dv-5 { border-left-color: var(--success); }

/* ==========================================
   Toast Notifications
   ========================================== */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.toast {
    padding: 12px 20px;
    border-radius: var(--radius-sm);
    color: #fff;
    font-weight: 500;
    font-size: 0.9rem;
    box-shadow: var(--shadow-lg);
    animation: slideIn 0.3s ease;
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 280px;
}

.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.info { background: var(--primary); }
.toast.warning { background: var(--warning); }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* ==========================================
   Print Styles
   ========================================== */
@media print {
    .main-nav, .modal-footer, .wizard-nav, .nav-mobile-toggle, .mobile-nav,
    .wizard-progress, .report-inputs-section, #btnExportPrint, .nav-controls {
        display: none !important;
    }
    body {
        padding-top: 0;
        background: #fff !important;
        color: #000 !important;
    }
    .page, .wizard-step, .step-content, .report-content {
        padding: 0 !important;
        margin: 0 !important;
    }
    .eval-wizard {
        box-shadow: none !important;
        border: none !important;
        background: #fff !important;
    }
    .report-section {
        break-inside: avoid;
        page-break-inside: avoid;
        border: 1px solid #ddd !important;
        box-shadow: none !important;
    }
    .report-chart-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    .report-detail-card {
        break-inside: avoid;
        page-break-inside: avoid;
    }
    .modal-overlay {
        position: static;
        background: none;
        padding: 0;
    }
    .modal-content {
        box-shadow: none;
        max-height: none;
    }
    canvas {
        max-width: 100% !important;
    }
}

/* ==========================================
   Report - Header Banner
   ========================================== */
.report-content {
    position: relative;
}

.report-header-banner {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, var(--primary) 0%, #7c3aed 100%);
    border-radius: var(--radius-lg);
    color: #fff;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(99, 102, 241, 0.25);
}

.report-banner-icon {
    font-size: 2rem;
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.15);
    border-radius: 14px;
    flex-shrink: 0;
}

.report-banner-text {
    flex: 1;
}

.report-banner-text h2 {
    font-size: 1.35rem;
    font-weight: 800;
    margin: 0 0 4px 0;
    color: #fff;
}

.report-banner-text .step-desc {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.8);
    margin: 0;
}

.report-header-banner .btn {
    background: rgba(255,255,255,0.2);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.3);
    backdrop-filter: blur(8px);
    white-space: nowrap;
}

.report-header-banner .btn:hover {
    background: rgba(255,255,255,0.35);
}

/* ==========================================
   Report Sections
   ========================================== */
.report-section {
    background: var(--bg-card);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-sm);
}

.report-section h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--text);
    display: flex;
    align-items: center;
    gap: 8px;
}

.report-section h3 i {
    color: var(--primary);
}

/* ==========================================
   Report - Verdict Section
   ========================================== */
.report-verdict-section {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--primary-light) 100%);
    border-color: var(--primary);
    border-width: 2px;
}

.report-verdict-grid {
    display: flex;
    align-items: center;
    gap: 2.5rem;
    flex-wrap: wrap;
}

.verdict-gauge-area {
    position: relative;
    width: 260px;
    height: 260px;
    flex-shrink: 0;
}

.verdict-info-area {
    flex: 1;
    min-width: 280px;
}

.verdict-level-text {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--text);
    line-height: 1.5;
}

.verdict-desc {
    font-size: 0.92rem;
    line-height: 1.7;
    color: var(--text-light);
    margin-bottom: 1rem;
}

.verdict-highlights {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.highlight-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.82rem;
    font-weight: 600;
}

.highlight-chip.positive {
    background: var(--success-light);
    color: var(--success);
    border: 1px solid var(--success);
}

.highlight-chip.negative {
    background: var(--danger-light);
    color: var(--danger);
    border: 1px solid var(--danger);
}

/* ==========================================
   Report - Charts
   ========================================== */
.report-charts-section {
    padding: 1.5rem;
}

.report-charts-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.report-chart-card {
    background: var(--bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 1.5rem;
}

.report-chart-card h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==========================================
   Report - Score Table
   ========================================== */
.report-score-table {
    width: 100%;
}

.report-score-table th {
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
}

.report-verdict-tag {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 700;
    white-space: nowrap;
    border: 1.5px solid transparent;
}

.report-verdict-tag.v-danger {
    background: var(--danger-light);
    color: var(--danger);
    border-color: var(--danger);
}

.report-verdict-tag.v-warning {
    background: var(--warning-light);
    color: var(--warning);
    border-color: var(--warning);
}

.report-verdict-tag.v-caution {
    background: var(--caution-light);
    color: var(--caution);
    border-color: var(--caution);
}

.report-verdict-tag.v-moderate {
    background: #fef9c3;
    color: #854d0e;
    border-color: var(--moderate);
}

.report-verdict-tag.v-healthy {
    background: var(--success-light);
    color: var(--success);
    border-color: var(--success);
}

/* ==========================================
   Report - Strengths & Weaknesses
   ========================================== */
.report-sw-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.sw-column h3 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.sw-strengths h3 { color: var(--success); }
.sw-weaknesses h3 { color: var(--danger); }

.sw-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    border: 1px solid var(--border-light);
    background: var(--bg);
    transition: transform 0.2s;
}

.sw-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.sw-score-badge {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 900;
    flex-shrink: 0;
}

.sw-info h4 {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--text);
}

.sw-info .sw-en {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-weight: 500;
}

.sw-info p {
    font-size: 0.82rem;
    color: var(--text-light);
    line-height: 1.5;
}

/* ==========================================
   Report - Detail Cards
   ========================================== */
.report-detail-cards {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.report-detail-card {
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--bg-card);
    transition: box-shadow 0.3s;
}

.report-detail-card:hover {
    box-shadow: var(--shadow-md);
}

.report-detail-card.rdc-healthy { border-left: 5px solid var(--success); }
.report-detail-card.rdc-caution { border-left: 5px solid var(--caution); }
.report-detail-card.rdc-danger { border-left: 5px solid var(--danger); }

.rdc-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    background: var(--bg);
    border-bottom: 1px solid var(--border-light);
}

.rdc-code {
    width: 50px;
    height: 50px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    font-weight: 900;
    flex-shrink: 0;
}

.rdc-title-area {
    flex: 1;
}

.rdc-title-area h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 2px;
    color: var(--text);
}

.rdc-title-area .rdc-en {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 500;
}

.rdc-title-area .rdc-desc {
    font-size: 0.82rem;
    color: var(--text-light);
    margin: 4px 0 0 0;
}

.rdc-score {
    font-size: 2rem;
    font-weight: 900;
    text-align: center;
    flex-shrink: 0;
}

.rdc-score span {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.rdc-body {
    padding: 1.5rem;
}

.rdc-rubric, .rdc-analysis {
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: var(--radius-sm);
    background: var(--bg);
    border: 1px solid var(--border-light);
}

.rdc-rubric-label, .rdc-analysis-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.rdc-rubric-text {
    font-size: 0.88rem;
    color: var(--text);
    line-height: 1.6;
    font-weight: 500;
}

.rdc-analysis-text {
    font-size: 0.88rem;
    color: var(--text-light);
    line-height: 1.6;
}

.rdc-evidence {
    margin-bottom: 1rem;
    padding: 1rem 1.2rem;
    border-radius: var(--radius-sm);
    background: var(--primary-light);
    border: 1px solid var(--primary);
    font-size: 0.85rem;
    color: var(--text);
    line-height: 1.6;
}

.rdc-evidence i {
    color: var(--primary);
    margin-right: 6px;
}

.rdc-no-evidence {
    background: var(--bg);
    border-color: var(--border);
    color: var(--text-muted);
    font-style: italic;
}

.rdc-signals {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.rdc-signal {
    padding: 0.8rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    line-height: 1.5;
    color: var(--text-light);
}

.rdc-signal-healthy {
    background: var(--success-light);
    border: 1px solid rgba(5, 150, 105, 0.2);
}

.rdc-signal-danger {
    background: var(--danger-light);
    border: 1px solid rgba(220, 38, 38, 0.2);
}

.rdc-signal strong {
    color: var(--text);
}

/* ==========================================
   Report - Recommendations
   ========================================== */
.report-rec-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.rec-item {
    display: flex;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg);
    transition: transform 0.2s;
}

.rec-item:hover {
    transform: translateX(4px);
}

.rec-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.rec-text {
    font-size: 0.88rem;
    line-height: 1.7;
    color: var(--text-light);
    flex: 1;
}

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

.rec-item.rec-critical .rec-icon { background: var(--danger-light); color: var(--danger); }
.rec-item.rec-warning .rec-icon { background: var(--warning-light); color: var(--warning); }
.rec-item.rec-caution .rec-icon { background: var(--caution-light); color: var(--caution); }
.rec-item.rec-moderate .rec-icon { background: #fef9c3; color: var(--moderate); }
.rec-item.rec-healthy .rec-icon { background: var(--success-light); color: var(--success); }
.rec-item.rec-urgent .rec-icon { background: var(--danger-light); color: var(--danger); }
.rec-item.rec-improve .rec-icon { background: var(--primary-light); color: var(--primary); }

/* ==========================================
   Report - User Input Section
   ========================================== */
.report-inputs-section {
    border-style: dashed;
    border-color: var(--primary);
    background: var(--bg);
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .summary-cards {
        grid-template-columns: repeat(2, 1fr);
    }
    .result-breakdown {
        grid-template-columns: repeat(2, 1fr);
    }
    .variable-detail-grid {
        grid-template-columns: 1fr;
    }
    .principle-grid {
        grid-template-columns: 1fr;
    }
    .report-charts-grid {
        grid-template-columns: 1fr;
    }
    .report-sw-grid {
        grid-template-columns: 1fr;
    }
    .rdc-signals {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-mobile-toggle {
        display: block;
    }
    
    .page {
        padding: 1rem;
    }
    
    .summary-cards {
        grid-template-columns: 1fr;
    }
    
    .charts-grid {
        grid-template-columns: 1fr;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .result-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }
    
    .report-verdict-grid {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .verdict-highlights {
        justify-content: center;
    }

    .report-header-banner {
        flex-direction: column;
        text-align: center;
        padding: 1.2rem;
    }

    .rdc-header {
        flex-direction: column;
        text-align: center;
    }

    .rdc-signals {
        grid-template-columns: 1fr;
    }
    
    .result-breakdown {
        grid-template-columns: 1fr;
    }
    
    .comparison-box {
        flex-direction: column;
    }
    
    .formula-box {
        flex-direction: column;
    }
    
    .level-row {
        flex-direction: column;
        align-items: flex-start;
        gap: 4px;
    }
    
    .detail-grid {
        grid-template-columns: 1fr;
    }
    
    .wizard-progress {
        padding: 1rem;
    }
    
    .progress-step span {
        display: none;
    }
    
    .wizard-step {
        padding: 1rem;
    }
    
    .score-btn {
        width: 44px;
        height: 44px;
    }
    
    .main-nav {
        padding: 0 1rem;
    }
}

@media (max-width: 480px) {
    .card-value {
        font-size: 1.4rem;
    }
    
    .score-buttons {
        flex-wrap: wrap;
    }
    
    .gauge-score {
        font-size: 2rem;
    }
}