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

:root {
    --bg: #000000;
    --bg-elevated: #0a0a0a;
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.06);
    --border-hover: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --text-muted: #71717a;
    --blue: #3b82f6;
    --blue-light: #60a5fa;
    --blue-glow: rgba(59, 130, 246, 0.15);
    --emerald: #10b981;
    --emerald-dim: rgba(16, 185, 129, 0.15);
    --red: #ef4444;
    --red-dim: rgba(239, 68, 68, 0.15);
    --amber: #f59e0b;
    --amber-dim: rgba(245, 158, 11, 0.15);
    --purple: #a855f7;
    --purple-dim: rgba(168, 85, 247, 0.15);
    --orange: #f97316;
    --orange-dim: rgba(249, 115, 22, 0.15);
    --radius: 16px;
    --radius-sm: 12px;
    --radius-xs: 8px;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, monospace;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

/* ===== Layout ===== */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 48px 0;
    position: relative;
}

/* ===== Navbar ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 64px;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 18px;
    font-weight: 600;
}

.logo-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-xs);
    background: linear-gradient(135deg, var(--blue), #2563eb);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    padding: 8px 14px;
    border-radius: var(--radius-xs);
    transition: all 0.2s ease;
}

.nav-links a:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
}

/* ===== Hero ===== */
.hero {
    padding-top: 120px;
    padding-bottom: 32px;
    overflow: hidden;
}

.grid-bg {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 40%, transparent 70%);
    pointer-events: none;
}

.gradient-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, rgba(59, 130, 246, 0.04), transparent 50%);
    pointer-events: none;
}

.hero-text {
    text-align: center;
    margin-bottom: 40px;
}

.hero-text h1 {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 600;
    letter-spacing: -0.02em;
    margin-bottom: 12px;
}

.gradient-text {
    background: linear-gradient(135deg, var(--blue-light), #a78bfa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-text p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto;
}

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

.stat-card {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.stat-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.stat-value-row {
    display: flex;
    align-items: baseline;
    gap: 8px;
    flex-wrap: wrap;
}

.stat-value {
    font-size: 28px;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

.stat-badge {
    font-size: 13px;
    font-weight: 500;
    padding: 2px 8px;
    border-radius: 999px;
    font-family: var(--font-mono);
}

.stat-badge.up {
    color: var(--red);
    background: var(--red-dim);
}

.stat-badge.down {
    color: var(--emerald);
    background: var(--emerald-dim);
}

.stat-sublabel {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 6px;
}

.stat-icon {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon.blue {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.15), rgba(37, 99, 235, 0.1));
    color: var(--blue-light);
}

/* ===== Glass ===== */
.glass {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

/* ===== Charts ===== */
.charts-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 16px;
}

.chart-card {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.chart-card.wide {
    grid-row: span 1;
}

.chart-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.chart-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.chart-subtitle {
    font-size: 13px;
    color: var(--text-muted);
}

.chart-body {
    height: 300px;
    position: relative;
}

.chart-body.scrollable {
    overflow-y: auto;
    padding-right: 4px;
}

.chart-body.scrollable::-webkit-scrollbar {
    width: 4px;
}

.chart-body.scrollable::-webkit-scrollbar-track {
    background: transparent;
}

.chart-body.scrollable::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
}

/* ===== Ranking List ===== */
.ranking-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px;
    border-radius: var(--radius-xs);
    background: rgba(255, 255, 255, 0.02);
    margin-bottom: 8px;
    transition: background 0.2s ease;
}

.ranking-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.ranking-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.ranking-rank {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.15);
    color: var(--blue-light);
    font-size: 11px;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ranking-name {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.ranking-fund {
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

.ranking-right {
    text-align: right;
}

.ranking-value {
    font-size: 13px;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    margin-top: 4px;
}

/* ===== Badges ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 500;
}

.badge-new {
    color: var(--amber);
    background: var(--amber-dim);
}

.badge-increase {
    color: var(--red);
    background: var(--red-dim);
}

.badge-decrease {
    color: var(--emerald);
    background: var(--emerald-dim);
}

.badge-unchanged {
    color: var(--text-muted);
    background: rgba(255, 255, 255, 0.05);
}

/* ===== Tabs ===== */
.tabs-wrapper {
    margin-top: 16px;
}

.tabs-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 12px;
}

.tabs-header h2 {
    font-size: 22px;
    font-weight: 600;
}

.tabs {
    display: inline-flex;
    gap: 4px;
    padding: 4px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
}

.tab-btn {
    padding: 8px 18px;
    border-radius: 6px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    background: var(--blue);
    color: white;
    box-shadow: 0 2px 8px rgba(59, 130, 246, 0.3);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

/* ===== Filters ===== */
.filters {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 240px;
}

.search-box svg {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.search-box input {
    width: 100%;
    height: 40px;
    padding: 0 12px 0 38px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    transition: all 0.2s ease;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box input:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 3px var(--blue-glow);
}

.select {
    height: 40px;
    padding: 0 32px 0 12px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

/* ===== Table ===== */
.table-wrapper {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

.data-table th {
    padding: 12px 14px;
    text-align: left;
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 13px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table td {
    padding: 12px 14px;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.data-table tbody tr {
    cursor: pointer;
    transition: background 0.15s ease;
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.data-table .code {
    font-family: var(--font-mono);
    color: var(--text-secondary);
    font-size: 13px;
}

.data-table .name {
    font-weight: 500;
    color: var(--text-primary);
}

.data-table .industry {
    font-size: 13px;
    color: var(--text-muted);
    margin-left: 6px;
}

.data-table .value {
    font-family: var(--font-mono);
    font-weight: 500;
    color: var(--text-primary);
}

.data-table .change-up {
    font-family: var(--font-mono);
    color: var(--red);
}

.data-table .change-down {
    font-family: var(--font-mono);
    color: var(--emerald);
}

.loading-cell {
    text-align: center;
    color: var(--text-muted);
    padding: 40px !important;
}

.loading {
    color: var(--text-muted);
    padding: 40px;
    text-align: center;
}

/* ===== Sortable / Filterable Headers ===== */
.data-table th {
    vertical-align: top;
}

.data-table th .th-label {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.data-table th.th-sortable .th-label {
    cursor: pointer;
    user-select: none;
}

.data-table th.th-sortable:hover .th-label {
    color: var(--text-primary);
}

.sort-arrow {
    display: inline-block;
    width: 10px;
    height: 10px;
    position: relative;
    opacity: 0.35;
}

.sort-arrow::before,
.sort-arrow::after {
    content: '';
    position: absolute;
    left: 1px;
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
}

.sort-arrow::before {
    top: 0;
    border-bottom: 4px solid currentColor;
}

.sort-arrow::after {
    bottom: 0;
    border-top: 4px solid currentColor;
}

.sort-arrow.asc::before {
    border-bottom-color: var(--blue);
}

.sort-arrow.asc::after {
    opacity: 0.2;
}

.sort-arrow.desc::after {
    border-top-color: var(--blue);
}

.sort-arrow.desc::before {
    opacity: 0.2;
}

.data-table th.th-sortable.sort-active .sort-arrow {
    opacity: 1;
}

.th-filter {
    display: block;
    margin-top: 6px;
    width: 100%;
    min-width: 60px;
    height: 26px;
    padding: 0 8px;
    font-size: 12px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-primary);
    outline: none;
    box-sizing: border-box;
    font-family: inherit;
    appearance: none;
    -webkit-appearance: none;
}

select.th-filter {
    padding-right: 22px;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2371717a' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 6px center;
}

.th-filter::placeholder {
    color: var(--text-muted);
    font-size: 11px;
}

.th-filter:focus {
    border-color: var(--blue);
    box-shadow: 0 0 0 2px var(--blue-glow);
}

.th-filter.active {
    border-color: var(--blue);
    background: rgba(59, 130, 246, 0.08);
}

/* ===== Pagination ===== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 6px;
    margin-top: 20px;
}

.page-btn {
    min-width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.page-btn.active {
    background: var(--blue);
    border-color: var(--blue);
    color: white;
}

.page-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

/* ===== Quarter Compare ===== */
.section-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.section-header h2 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 4px;
}

.section-desc {
    color: var(--text-secondary);
    font-size: 14px;
}

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

.q-btn {
    padding: 8px 16px;
    border-radius: var(--radius-xs);
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.04);
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.q-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.q-btn.active {
    background: var(--blue);
    border-color: var(--blue);
    color: white;
}

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

.compare-card {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: all 0.3s ease;
}

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

.compare-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 12px;
}

.compare-icon.blue {
    background: rgba(59, 130, 246, 0.12);
    color: var(--blue-light);
}

.compare-icon.purple {
    background: var(--purple-dim);
    color: var(--purple);
}

.compare-icon.orange {
    background: var(--orange-dim);
    color: var(--orange);
}

.compare-card h3 {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.compare-value {
    font-size: 30px;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--text-primary);
    margin-bottom: 8px;
}

.compare-change {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 14px;
    font-family: var(--font-mono);
    margin-bottom: 16px;
}

.compare-change.up {
    color: var(--red);
}

.compare-change.down {
    color: var(--emerald);
}

.compare-prev {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border);
    font-size: 13px;
}

.compare-prev span:first-child {
    color: var(--text-muted);
}

.compare-prev span:last-child {
    color: var(--text-secondary);
    font-family: var(--font-mono);
}

/* ===== Top Holdings ===== */
.top-holdings {
    padding: 20px;
}

.top-holdings h3 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 16px;
}

.holdings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.holding-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px;
    border-radius: var(--radius-xs);
    background: rgba(255, 255, 255, 0.02);
    transition: background 0.2s ease;
}

.holding-item:hover {
    background: rgba(255, 255, 255, 0.04);
}

.holding-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.holding-rank {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.12);
    color: var(--blue-light);
    font-size: 11px;
    font-family: var(--font-mono);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.holding-name {
    font-size: 14px;
    font-weight: 500;
}

.holding-code {
    font-size: 12px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    margin-top: 2px;
}

.holding-right {
    text-align: right;
}

.holding-value {
    font-size: 14px;
    font-family: var(--font-mono);
    color: var(--text-primary);
}

/* ===== Footer ===== */
footer {
    border-top: 1px solid var(--border);
    padding: 48px 0 24px;
    margin-top: 24px;
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-warning {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--amber);
    font-size: 14px;
    margin-bottom: 12px;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 13px;
    max-width: 560px;
    margin-bottom: 12px;
    line-height: 1.6;
}

.footer-source {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.source-link {
    color: var(--blue-light);
}

.footer-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.footer-meta .meta-divider {
    color: var(--border);
}

.footer-copy {
    padding-top: 20px;
    border-top: 1px solid var(--border);
    width: 100%;
}

.footer-copy p {
    color: var(--text-muted);
    font-size: 13px;
}

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 200;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

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

.modal {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    max-width: 700px;
    width: 100%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalIn 0.25s ease;
}

.modal.fullscreen {
    max-width: 100%;
    max-height: 100vh;
    width: 100%;
    height: 100vh;
    border-radius: 0;
    border: none;
}

.modal.fullscreen .modal-body {
    padding: 24px 32px;
    overflow-x: auto;
}

@keyframes modalIn {
    from { opacity: 0; transform: scale(0.96) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-xs);
    transition: all 0.2s ease;
}

.modal-close:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
}

.modal-tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 14px;
    font-weight: 500;
    padding: 6px 12px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.modal-tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: #3b82f6;
}

.modal-tab-btn:hover {
    color: var(--text-primary);
}

.modal-tab-content {
    display: none;
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .charts-grid {
        grid-template-columns: 1fr;
    }
    .compare-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .holdings-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    .nav-toggle {
        display: block;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .compare-grid {
        grid-template-columns: 1fr;
    }
    .holdings-grid {
        grid-template-columns: 1fr;
    }
    .section {
        padding: 32px 0;
    }
    .hero {
        padding-top: 100px;
    }
    .tabs-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .section-header {
        flex-direction: column;
    }
}