/**
 * Tử Vi đồ (Mệnh bàn) Page Styles
 * Traditional Chinese Astrology Chart UI
 * @version 1.0.0
 */

/* ============================================================================
   CSS VARIABLES
   ============================================================================ */
:root {
    /* Primary Colors */
    --primary: #9333ea;
    --primary-light: #a855f7;
    --primary-dark: #7e22ce;
    --primary-alpha: rgba(147, 51, 234, 0.15);
    
    /* Ngũ Hành Colors */
    --moc-color: #22c55e;
    --hoa-color: #ef4444;
    --tho-color: #eab308;
    --kim-color: #f1f5f9;
    --thuy-color: #3b82f6;
    
    /* Star Types */
    --chinh-tinh: #9333ea;
    --cat-tinh: #22c55e;
    --hung-tinh: #ef4444;
    --trung-tinh: #6b7280;
    
    /* Cung Types */
    --menh-color: #dc2626;
    --than-color: #2563eb;
    
    /* UI Colors */
    --bg-primary: #0f0f23;
    --bg-secondary: #1a1a2e;
    --bg-card: #16162a;
    --bg-hover: #252542;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: #334155;
    --border-light: #1e293b;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(147, 51, 234, 0.3);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #f1f5f9;
    --bg-card: #ffffff;
    --bg-hover: #e2e8f0;
    --text-primary: #1e293b;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --border-light: #f1f5f9;
    --kim-color: #334155;
}

/* ============================================================================
   RESET & BASE
   ============================================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

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

/* ============================================================================
   HEADER
   ============================================================================ */
header {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-container a {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
}

.logo {
    height: 36px;
    width: auto;
}

.site-title {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.nav-actions button,
.nav-actions .nav-link {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    transition: var(--transition-fast);
    text-decoration: none;
}

.nav-actions button:hover,
.nav-actions .nav-link:hover {
    background: var(--bg-hover);
    color: var(--primary);
    border-color: var(--primary);
}

/* ============================================================================
   CONTAINER
   ============================================================================ */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-lg);
    flex: 1;
}

/* ============================================================================
   PAGE TITLE
   ============================================================================ */
.page-title {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.page-title.compact {
    margin-bottom: var(--spacing-lg);
}

.page-title h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

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

.page-title .subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-top: var(--spacing-xs);
}

.about-link-container {
    margin-top: 10px;
    text-align: center;
}

.about-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-accent);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
}

.about-link:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.about-link i {
    font-size: 16px;
}

/* ============================================================================
   FEATURE TABS
   ============================================================================ */
.feature-tabs {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-xs);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow-x: auto;
}

.feature-tab {
    flex: 1;
    min-width: 120px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition-normal);
}

.feature-tab i {
    font-size: 1.25rem;
}

.feature-tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.feature-tab.active {
    background: var(--primary);
    color: white;
    box-shadow: var(--shadow-glow);
}

/* ============================================================================
   FEATURE PANELS
   ============================================================================ */
.feature-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.feature-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ============================================================================
   CARDS
   ============================================================================ */
.tuvi-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    transition: var(--transition-normal);
}

.tuvi-card:hover {
    border-color: var(--primary-alpha);
    box-shadow: var(--shadow-md);
}

.card-header {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.card-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-alpha);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.card-title h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.card-title p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.chart-legend {
    margin-left: auto;
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.75rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--text-secondary);
}

.legend-item.menh i { color: var(--menh-color); }
.legend-item.than i { color: var(--than-color); }

/* ============================================================================
   FORM STYLES
   ============================================================================ */
.tuvi-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.form-group label i {
    color: var(--primary);
    font-size: 0.75rem;
}

.form-group input,
.form-group select {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-alpha);
}

.radio-group {
    display: flex;
    gap: var(--spacing-sm);
}

.radio-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    cursor: pointer;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: var(--transition-fast);
}

.radio-label:has(input:checked) {
    border-color: var(--primary);
    background: var(--primary-alpha);
    color: var(--primary);
}

.radio-label input {
    display: none;
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

/* Advanced Options */
.advanced-toggle {
    margin-top: var(--spacing-lg);
}

.toggle-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 0.9rem;
    font-weight: 500;
}

.toggle-btn:hover {
    background: var(--bg-hover);
    border-color: var(--primary);
}

.toggle-btn.expanded {
    border-color: var(--primary);
    color: var(--primary);
}

.icon-right {
    transition: transform var(--transition-normal);
}

.advanced-options {
    margin-top: var(--spacing-md);
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}

.solar-time-info {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    gap: var(--spacing-md);
}

.info-icon {
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.info-content strong {
    color: var(--primary);
    font-weight: 600;
}

.info-content p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0.25rem 0 0 0;
    line-height: 1.4;
}

/* True Solar Time Card */
.solar-time-card {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1), rgba(147, 51, 234, 0.05));
    border: 1px solid rgba(59, 130, 246, 0.2);
    margin-bottom: var(--spacing-lg);
}

.solar-time-card .card-icon {
    color: var(--primary);
    font-size: 1.3rem;
}

.solar-time-content {
    padding: var(--spacing-lg);
}

.adjustment-info {
    margin-bottom: var(--spacing-lg);
}

.time-comparison {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.time-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    min-width: 140px;
}

.time-item.adjusted {
    border-color: var(--primary);
    background: var(--primary-alpha);
}

.time-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.time-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
}

.time-arrow {
    color: var(--primary);
    font-weight: bold;
    font-size: 1.2rem;
}

.adjustment-details {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.adjustment-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.adjustment-value {
    font-weight: 600;
    font-family: 'Courier New', monospace;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
}

.adjustment-value.positive {
    color: var(--chinh-tinh);
    background: rgba(34, 197, 94, 0.1);
}

.adjustment-value.negative {
    color: var(--hoa-color);
    background: rgba(239, 68, 68, 0.1);
}

.location-info {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

.explanation {
    padding: var(--spacing-md);
    background: rgba(147, 51, 234, 0.05);
    border-radius: var(--radius-md);
    border: 1px solid rgba(147, 51, 234, 0.1);
}

.explanation p {
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.explanation ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.explanation li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    border-radius: var(--radius-md);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

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

.btn-secondary:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

/* ============================================================================
   LOADING
   ============================================================================ */
.loading-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    text-align: center;
}

.spinner-ring {
    width: 60px;
    height: 60px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

.spinner-text {
    color: var(--text-primary);
    font-size: 0.875rem;
}

/* ============================================================================
   SUMMARY GRID
   ============================================================================ */
.summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.summary-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.summary-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.summary-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.summary-value.menh { color: var(--menh-color); }
.summary-value.than { color: var(--than-color); }
.summary-value.moc { color: var(--moc-color); }
.summary-value.hoa { color: var(--hoa-color); }
.summary-value.tho { color: var(--tho-color); }
.summary-value.kim { color: var(--kim-color); }
.summary-value.thuy { color: var(--thuy-color); }

/* ============================================================================
   TỬ VI CHART - 12 CUNG GRID
   ============================================================================ */
.chart-container {
    overflow-x: auto;
    padding: var(--spacing-sm);
}

.tuvi-chart {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: repeat(4, minmax(140px, 1fr));
    gap: 2px;
    background: var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    min-width: 800px;
}

/* Chart cell positions - Traditional Layout */
.cung-cell {
    background: var(--bg-card);
    padding: var(--spacing-sm);
    display: flex;
    flex-direction: column;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    min-height: 140px;
}

.cung-cell:hover {
    background: var(--bg-hover);
    z-index: 1;
    box-shadow: var(--shadow-md);
}

.cung-cell.is-menh {
    box-shadow: inset 0 0 0 2px var(--menh-color);
}

.cung-cell.is-than {
    box-shadow: inset 0 0 0 2px var(--than-color);
}

.cung-cell.is-menh.is-than {
    box-shadow: 
        inset 3px 0 0 0 var(--menh-color),
        inset -3px 0 0 0 var(--than-color),
        inset 0 3px 0 0 var(--menh-color),
        inset 0 -3px 0 0 var(--than-color);
}

/* Center cells (Thiên bàn info) */
.center-cell {
    grid-column: span 2;
    grid-row: span 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    text-align: center;
    padding: var(--spacing-lg);
}

.center-cell .chart-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
}

.center-cell .chart-info {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.8;
}

.center-cell .chart-info strong {
    color: var(--text-primary);
}

/* Cung header */
.cung-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xs);
}

.cung-name {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--text-primary);
}

.cung-chi {
    font-size: 0.6875rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
}

/* Cung tags */
.cung-tags {
    display: flex;
    gap: 4px;
    margin-bottom: var(--spacing-xs);
}

.cung-tag {
    font-size: 0.625rem;
    padding: 2px 4px;
    border-radius: 3px;
    font-weight: 600;
}

.cung-tag.menh-tag {
    background: var(--menh-color);
    color: white;
}

.cung-tag.than-tag {
    background: var(--than-color);
    color: white;
}

/* Stars in cung */
.cung-stars {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    overflow: hidden;
}

.star-row {
    display: flex;
    flex-wrap: wrap;
    gap: 3px;
}

.star-item {
    font-size: 0.6875rem;
    padding: 1px 4px;
    border-radius: 3px;
    white-space: nowrap;
}

.star-item.chinh {
    background: rgba(147, 51, 234, 0.2);
    color: var(--chinh-tinh);
    font-weight: 600;
}

.star-item.cat {
    background: rgba(34, 197, 94, 0.2);
    color: var(--cat-tinh);
}

.star-item.hung {
    background: rgba(239, 68, 68, 0.2);
    color: var(--hung-tinh);
}

.star-item.trung {
    background: rgba(107, 114, 128, 0.2);
    color: var(--trung-tinh);
}

/* Tứ Hóa indicators */
.star-item .hoa {
    font-size: 0.5625rem;
    vertical-align: super;
    margin-left: 1px;
    opacity: 0.8;
}

.star-item .hoa-loc { color: var(--cat-tinh); }
.star-item .hoa-quyen { color: var(--primary); }
.star-item .hoa-khoa { color: var(--thuy-color); }
.star-item .hoa-ky { color: var(--hung-tinh); }

/* Đại vận số */
.cung-daivan {
    position: absolute;
    bottom: 4px;
    right: 6px;
    font-size: 0.625rem;
    color: var(--text-muted);
    background: var(--bg-secondary);
    padding: 1px 4px;
    border-radius: var(--radius-sm);
}

/* ============================================================================
   DETAIL CARD
   ============================================================================ */
.detail-card {
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.detail-card .card-header {
    position: relative;
}

.btn-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
    margin-left: auto;
}

.btn-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.detail-content {
    display: grid;
    gap: var(--spacing-md);
}

.detail-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.detail-section h4 {
    font-size: 0.875rem;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.detail-stars {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.detail-star {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.detail-star.chinh {
    background: rgba(147, 51, 234, 0.15);
    color: var(--chinh-tinh);
    font-weight: 600;
}

.detail-star.cat {
    background: rgba(34, 197, 94, 0.15);
    color: var(--cat-tinh);
}

.detail-star.hung {
    background: rgba(239, 68, 68, 0.15);
    color: var(--hung-tinh);
}

.detail-interpretation {
    line-height: 1.8;
    color: var(--text-secondary);
}

.detail-interpretation p {
    margin-bottom: var(--spacing-sm);
}

/* ============================================================================
   STARS TABS & CONTENT
   ============================================================================ */
.stars-tabs {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
    background: var(--bg-secondary);
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
}

.star-tab {
    flex: 1;
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.star-tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.star-tab.active {
    background: var(--primary);
    color: white;
}

.stars-content {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--spacing-sm);
}

.star-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.star-card:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.star-card .star-name {
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.star-card .star-cung {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ============================================================================
   INTERPRET PANEL
   ============================================================================ */
.interpret-notice,
.daivan-notice {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.interpret-notice i,
.daivan-notice i {
    font-size: 3rem;
    color: var(--primary-alpha);
    margin-bottom: var(--spacing-md);
    display: block;
}

.interpret-notice p,
.daivan-notice p {
    margin-bottom: var(--spacing-lg);
}

.interpret-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.interpret-selector label {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.interpret-selector select {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.interpret-result {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    line-height: 1.8;
}

.interpret-result h4 {
    color: var(--primary);
    margin-bottom: var(--spacing-md);
}

.interpret-result p {
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

/* ============================================================================
   ĐẠI VẬN
   ============================================================================ */
.daivan-info {
    display: flex;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.daivan-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.daivan-label {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.daivan-value {
    font-weight: 600;
    color: var(--primary);
}

.daivan-timeline {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
}

.daivan-period {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    min-width: 140px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.daivan-period:hover {
    border-color: var(--primary);
}

.daivan-period.current {
    border-color: var(--primary);
    background: var(--primary-alpha);
}

.daivan-period .period-age {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--text-primary);
}

.daivan-period .period-cung {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
}

.daivan-period .period-marker {
    font-size: 0.625rem;
    color: var(--primary);
    margin-top: var(--spacing-xs);
    font-weight: 600;
}

.daivan-period.selected {
    border-color: var(--accent);
    background: rgba(var(--accent-rgb, 245, 158, 11), 0.15);
    box-shadow: 0 0 0 2px rgba(var(--accent-rgb, 245, 158, 11), 0.3);
}

/* ============================================================================
   YEARLY BREAKDOWN - Diễn giải từng năm
   ============================================================================ */
.yearly-breakdown {
    margin-top: var(--spacing-lg);
}

.yearly-intro {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.yearly-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.yearly-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-sm);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-fast);
    border: 2px solid transparent;
    position: relative;
}

.yearly-item:hover {
    border-color: var(--border-color);
    transform: translateY(-2px);
}

.yearly-item.current-year {
    border-color: var(--primary);
    background: var(--primary-alpha);
}

.yearly-item.selected-year {
    border-color: var(--accent);
    background: rgba(var(--accent-rgb, 245, 158, 11), 0.15);
    box-shadow: 0 0 0 2px rgba(var(--accent-rgb, 245, 158, 11), 0.3);
}

.yearly-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xs);
}

.yearly-year {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1rem;
}

.yearly-age {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.yearly-canchi {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.yearly-rating {
    font-size: 0.875rem;
    font-weight: 600;
}

.yearly-rating.excellent {
    color: #22c55e;
}

.yearly-rating.good {
    color: #3b82f6;
}

.yearly-rating.neutral {
    color: var(--text-muted);
}

.yearly-rating.challenging {
    color: #ef4444;
}

.year-marker {
    position: absolute;
    top: 50%;
    right: -8px;
    transform: translateY(-50%);
    color: var(--primary);
    font-size: 0.7rem;
}

.select-year-hint {
    text-align: center;
    color: var(--text-muted);
    padding: var(--spacing-xl);
    font-style: italic;
}

/* Year Detail Content */
.year-detail-content {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.year-detail-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.year-detail-header h5 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.year-rating-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
}

.year-rating-badge.excellent {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.year-rating-badge.good {
    background: rgba(59, 130, 246, 0.15);
    color: #3b82f6;
}

.year-rating-badge.neutral {
    background: var(--bg-secondary);
    color: var(--text-secondary);
}

.year-rating-badge.challenging {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.year-detail-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
}

.detail-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

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

.detail-value {
    font-weight: 600;
    color: var(--text-primary);
}

.year-factors h6 {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

.year-factors ul {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--spacing-lg) 0;
}

.year-factors li {
    padding: var(--spacing-xs) 0;
    font-size: 0.9rem;
}

.factor-good {
    color: #22c55e;
}

.factor-bad {
    color: #ef4444;
}

.factor-info {
    color: var(--text-secondary);
}

/* School Year Analysis */
.school-year-analysis {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    border-left: 3px solid var(--primary);
}

.school-year-analysis h6 {
    color: var(--primary-light);
    margin: 0 0 var(--spacing-md) 0;
    font-size: 1rem;
}

.school-year-analysis p {
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

.school-year-analysis ul {
    margin: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
}

.school-year-analysis li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.5;
}

.school-year-analysis .favorable {
    color: #22c55e;
}

.school-year-analysis .unfavorable {
    color: #ef4444;
}

/* Tứ Hóa Detail Grid (Đài Loan school) */
.tuhoa-detail-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin: var(--spacing-md) 0;
}

.tuhoa-detail-item {
    text-align: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--bg-card);
}

.tuhoa-detail-item .label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-muted);
    text-transform: uppercase;
    margin-bottom: var(--spacing-xs);
}

.tuhoa-detail-item .star {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.tuhoa-detail-item .meaning {
    display: block;
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.tuhoa-detail-item.loc {
    border-top: 3px solid #22c55e;
}

.tuhoa-detail-item.loc .star {
    color: #22c55e;
}

.tuhoa-detail-item.quyen {
    border-top: 3px solid #f59e0b;
}

.tuhoa-detail-item.quyen .star {
    color: #f59e0b;
}

.tuhoa-detail-item.khoa {
    border-top: 3px solid #3b82f6;
}

.tuhoa-detail-item.khoa .star {
    color: #3b82f6;
}

.tuhoa-detail-item.ky {
    border-top: 3px solid #ef4444;
}

.tuhoa-detail-item.ky .star {
    color: #ef4444;
}

@media (max-width: 640px) {
    .yearly-grid {
        grid-template-columns: repeat(5, 1fr);
    }
    
    .tuhoa-detail-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .year-detail-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

/* ============================================================================
   SCHOOL SELECTOR - Trường phái Tử Vi
   ============================================================================ */
.school-selector {
    margin-bottom: var(--spacing-lg);
}

.school-selector label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.school-tabs {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.school-tab {
    flex: 1;
    min-width: 120px;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}

.school-tab:hover {
    border-color: var(--border-color);
    background: var(--bg-hover);
}

.school-tab.active {
    border-color: var(--primary);
    background: var(--primary-alpha);
}

.school-tab .school-name {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.school-tab .school-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.school-tab[data-school="BAC_TONG"].active {
    border-color: #3b82f6;
}

.school-tab[data-school="NAM_TONG"].active {
    border-color: #22c55e;
}

.school-tab[data-school="THIEN_LUONG"].active {
    border-color: #f59e0b;
}

.school-tab[data-school="DAI_LOAN"].active {
    border-color: #ef4444;
}

/* School Description Card */
.school-description {
    margin-bottom: var(--spacing-lg);
}

.school-info-card {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.school-info-card .school-header {
    margin-bottom: var(--spacing-md);
}

.school-info-card .school-header h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.school-info-card .school-origin {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.school-info-card .school-desc {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

.school-methods {
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.school-methods .method-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
}

.school-methods .method-item strong {
    color: var(--text-muted);
    min-width: 90px;
}

.school-methods .method-item span {
    color: var(--text-primary);
}

.school-methods .method-note {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-style: italic;
    margin-bottom: var(--spacing-sm);
    padding-left: 100px;
}

.school-features {
    font-size: 0.8125rem;
}

.school-features strong {
    color: var(--text-secondary);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.school-features ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.school-features li {
    color: var(--text-muted);
    padding-left: var(--spacing-md);
    position: relative;
    margin-bottom: var(--spacing-xs);
}

.school-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--primary);
}

/* School Interpretation Section */
.school-interpretation {
    margin-top: var(--spacing-xl);
}

.school-interpretation-content {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.school-interpretation-content h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.interpretation-body {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.7;
}

.interpretation-section {
    margin-bottom: var(--spacing-lg);
}

.interpretation-section h5 {
    color: var(--text-primary);
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-sm);
}

.interpretation-section p {
    margin-bottom: var(--spacing-sm);
}

.interpretation-section p.favorable {
    color: #22c55e;
}

.interpretation-section p.unfavorable {
    color: #ef4444;
}

.interpretation-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.interpretation-section li {
    padding-left: var(--spacing-lg);
    position: relative;
    margin-bottom: var(--spacing-sm);
}

.interpretation-section li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
}

.interpretation-note {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--primary-alpha);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
}

.interpretation-note i {
    color: var(--primary);
    margin-top: 2px;
}

.interpretation-note span {
    color: var(--text-secondary);
}

/* Thai Tue Group Section (Thien Luong) */
.thaitue-group {
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
}

/* Tu Hoa Section (Dai Loan) */
.tuhoa-section {
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    padding: var(--spacing-md);
}

.tuhoa-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.tuhoa-item {
    text-align: center;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.tuhoa-item.loc {
    background: rgba(34, 197, 94, 0.15);
    border: 1px solid rgba(34, 197, 94, 0.3);
}

.tuhoa-item.quyen {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.tuhoa-item.khoa {
    background: rgba(147, 51, 234, 0.15);
    border: 1px solid rgba(147, 51, 234, 0.3);
}

.tuhoa-item.ky {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

.tuhoa-label {
    display: block;
    font-size: 0.625rem;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 2px;
}

.tuhoa-star {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

/* Compare Schools Section */
.compare-schools-section {
    margin-top: var(--spacing-xl);
    text-align: center;
}

.comparison-result {
    margin-top: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
}

.comparison-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.comparison-header h4 {
    color: var(--text-primary);
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.comparison-header p {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.btn-close-comparison {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.btn-close-comparison:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--spacing-md);
}

.comparison-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.comparison-school-name {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.comparison-school-full {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.comparison-method {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

.comparison-method strong {
    color: var(--text-muted);
}

.comparison-daivan {
    font-size: 0.8125rem;
    color: var(--primary);
    padding: var(--spacing-sm);
    background: var(--primary-alpha);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.comparison-features {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.feature-tag {
    font-size: 0.625rem;
    padding: 2px 6px;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
}

.comparison-note {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    font-size: 0.8125rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.comparison-note i {
    color: var(--primary);
}

.comparison-loading {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-muted);
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .school-tabs {
        flex-direction: column;
    }
    
    .school-tab {
        min-width: 100%;
    }
    
    .school-methods .method-note {
        padding-left: 0;
    }
    
    .tuhoa-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

/* ============================================================================
   TRA SAO PANEL
   ============================================================================ */
.star-search {
    margin-bottom: var(--spacing-lg);
}

.search-input-wrapper {
    position: relative;
    margin-bottom: var(--spacing-md);
}

.search-input-wrapper i {
    position: absolute;
    left: var(--spacing-md);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-input-wrapper input {
    width: 100%;
    padding: var(--spacing-md);
    padding-left: 2.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.9375rem;
}

.search-input-wrapper input:focus {
    outline: none;
    border-color: var(--primary);
}

.star-filter {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.filter-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 0.8125rem;
    transition: var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.filter-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

.star-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    max-height: 500px;
    overflow-y: auto;
}

.star-list-item {
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    cursor: pointer;
    transition: var(--transition-fast);
    border-left: 3px solid transparent;
}

.star-list-item:hover {
    background: var(--bg-hover);
}

.star-list-item.chinh { border-left-color: var(--chinh-tinh); }
.star-list-item.cat { border-left-color: var(--cat-tinh); }
.star-list-item.hung { border-left-color: var(--hung-tinh); }

.star-list-item .star-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
}

.star-list-item .star-title strong {
    color: var(--text-primary);
}

.star-list-item .star-title .hanviet {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.star-list-item .star-desc {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================================================
   MODAL
   ============================================================================ */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

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

.modal-content {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    animation: modalIn 0.3s ease;
}

@keyframes modalIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    background: var(--bg-card);
}

.modal-header h3 {
    font-size: 1.25rem;
    color: var(--primary);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-section {
    margin-bottom: var(--spacing-lg);
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section h4 {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.modal-section p,
.modal-section ul {
    color: var(--text-secondary);
    line-height: 1.8;
}

.modal-section ul {
    list-style: none;
    padding-left: var(--spacing-md);
}

.modal-section ul li::before {
    content: "•";
    color: var(--primary);
    margin-right: var(--spacing-sm);
}

/* ============================================================================
   FOOTER
   ============================================================================ */
footer {
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: var(--spacing-lg);
    margin-top: auto;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    text-align: center;
}

.footer-info p {
    color: var(--text-muted);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.footer-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
}

.footer-note i {
    color: var(--primary);
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */
@media (max-width: 1024px) {
    .tuvi-chart {
        min-width: 700px;
    }
    
    .cung-cell {
        min-height: 120px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: var(--spacing-md);
    }
    
    .page-title h1 {
        font-size: 1.5rem;
    }
    
    .feature-tabs {
        gap: var(--spacing-xs);
    }
    
    .feature-tab {
        min-width: 80px;
        padding: var(--spacing-sm);
    }
    
    .feature-tab span {
        font-size: 0.75rem;
    }
    
    .tuvi-chart {
        min-width: 600px;
    }
    
    .cung-cell {
        min-height: 100px;
        padding: var(--spacing-xs);
    }
    
    .cung-name {
        font-size: 0.75rem;
    }
    
    .star-item {
        font-size: 0.625rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .summary-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    header {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .site-title {
        font-size: 1rem;
    }
    
    .tuvi-chart {
        min-width: 500px;
    }
    
    .cung-cell {
        min-height: 90px;
    }
    
    .center-cell .chart-title {
        font-size: 1.125rem;
    }
    
    .chart-legend {
        display: none;
    }
}

/* ============================================================================
   SCROLLBAR
   ============================================================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}
/* ============================================================================
   INTERPRETATION RESULT STYLING
   ============================================================================ */
.interpret-result {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--primary);
}

.interpret-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
}

.interpret-header h4 {
    color: var(--primary-light);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.2em;
}

.interpret-header h4 i {
    color: var(--primary);
}

.cung-chi {
    color: var(--text-secondary);
    font-size: 0.9em;
}

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

.interpret-overview {
    background: linear-gradient(135deg, var(--primary-alpha), transparent);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-lg);
    border-left: 3px solid var(--primary);
}

.interpret-overview p {
    margin: 0;
    color: var(--text-secondary);
    line-height: 1.6;
}

.interpret-overview i {
    color: var(--primary);
    margin-right: var(--spacing-xs);
}

.interpret-section {
    margin-bottom: var(--spacing-lg);
}

.interpret-section h5 {
    color: var(--text-primary);
    font-size: 1em;
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-bottom: var(--spacing-xs);
    border-bottom: 1px dashed var(--border-color);
}

.interpret-section h5 i {
    color: var(--primary);
    font-size: 0.9em;
}

.interpret-star-card {
    padding: var(--spacing-md);
    margin: var(--spacing-sm) 0;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--chinh-tinh);
    transition: all 0.2s ease;
}

.interpret-star-card:hover {
    background: var(--bg-hover);
    transform: translateX(4px);
}

.interpret-star-card .star-name {
    color: var(--primary-light);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: 1.05em;
}

.interpret-star-card .star-meaning {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95em;
}

.interpret-summary {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.1), rgba(147, 51, 234, 0.1));
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.interpret-summary h5 {
    color: var(--cat-tinh);
    margin-bottom: var(--spacing-sm);
    font-size: 1em;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    border-bottom: none;
}

.interpret-summary p {
    color: var(--text-primary);
    line-height: 1.7;
    margin: 0;
}

.empty-cung {
    background: rgba(100, 116, 139, 0.1);
    padding: var(--spacing-lg);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--text-muted);
}

.empty-cung h5 {
    color: var(--text-muted);
    border-bottom: none;
}

.empty-cung p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.empty-cung ul {
    margin: var(--spacing-sm) 0 0 var(--spacing-lg);
    color: var(--text-secondary);
}

.empty-cung li {
    margin-bottom: var(--spacing-xs);
}

.phutinh-section.interpret-section {
    background: rgba(0, 0, 0, 0.2);
    padding: var(--spacing-md);
    border-radius: var(--radius-sm);
}

.phutinh-group {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
}

.phutinh-group.cat {
    background: rgba(34, 197, 94, 0.1);
    border-left: 3px solid var(--cat-tinh);
}

.phutinh-group.hung {
    background: rgba(239, 68, 68, 0.1);
    border-left: 3px solid var(--hung-tinh);
}

.phutinh-group.trung {
    background: rgba(107, 114, 128, 0.1);
    border-left: 3px solid var(--trung-tinh);
}

.group-label {
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9em;
}

.phutinh-group.cat .group-label {
    color: var(--cat-tinh);
}

.phutinh-group.hung .group-label {
    color: var(--hung-tinh);
}

.phutinh-group.trung .group-label {
    color: var(--trung-tinh);
}

.phutinh-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    margin: var(--spacing-xs) 0;
    color: var(--text-secondary);
    font-size: 0.9em;
    line-height: 1.5;
}

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

/* Legacy support */
.interpret-result h4 {
    color: var(--primary-light);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.interpret-star-item {
    padding: var(--spacing-sm) var(--spacing-md);
    margin: var(--spacing-sm) 0;
    background: var(--bg-card);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--chinh-tinh);
}

.interpret-star-item strong {
    color: var(--primary-light);
}

.cat-list {
    color: var(--cat-tinh);
}

.hung-list {
    color: var(--hung-tinh);
}

.trung-list {
    color: var(--trung-tinh);
}