/* Import a modern font */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600&display=swap');

/* Define color variables for both themes */
:root {
    --bg-color: #1a1c23;
    --card-bg: #27293d;
    --text-color: #e0e0e0;
    --text-muted-color: #8a92a9;
    --border-color: #3a3c53;
    --bs-success-rgb: 25, 135, 84;
    --accent-color: #4e73df;
    --accent-hover: #6b8ce8;
}

[data-bs-theme="light"] {
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #212529;
    --text-muted-color: #6c757d;
    --border-color: #dee2e6;
    --accent-color: #4e73df;
    --accent-hover: #3d5fc7;
}

body {
    background-color: var(--bg-color) !important;
    font-family: 'Poppins', sans-serif;
    color: var(--text-color);
    font-size: 0.875rem;
}

h1 { font-size: 1.75rem !important; }
h2 { font-size: 1.5rem !important; }
h5 { font-size: 1.1rem !important; }
h6 { font-size: 0.75rem !important; }


.card {
    background-color: var(--card-bg) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 0.75rem;
}

.card-header {
    background-color: transparent;
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.border-secondary { border-color: var(--border-color) !important; }
.text-white { color: var(--text-color) !important; }
.text-muted { color: var(--text-muted-color) !important; }

.kpi-card .card-title { font-weight: 600; }
.kpi-icon { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 50%; font-size: 1.5rem; }

/* Table styles */
.table-responsive {
    /* --- FIX: Changed max-height from 70vh to 100vh --- */
    max-height: 100vh;
    overflow-y: auto;
}

.table > :not(caption) > * > * { border-bottom-width: 0; padding-top: 0.65rem; padding-bottom: 0.65rem; }
.table thead { position: sticky; top: 0; background-color: var(--card-bg); }
.table th { color: var(--text-muted-color); text-transform: uppercase; font-size: 0.75rem; letter-spacing: 0.5px; }

.table-hover tbody tr { cursor: pointer; }
tbody tr.active { background-color: rgba(var(--bs-primary-rgb), 0.25) !important; --bs-table-accent-bg: rgba(var(--bs-primary-rgb), 0.25) !important; }
.list-group-item { background-color: transparent !important; border-color: var(--border-color) !important; color: var(--text-color) !important; padding-top: 0.5rem; padding-bottom: 0.5rem; }

thead th.sortable { cursor: pointer; position: relative; padding-right: 1.5rem !important; }
thead th.sortable::after { content: ''; position: absolute; right: 0.5rem; top: 50%; margin-top: -0.4em; border: 0.4em solid transparent; opacity: 0.4; }
thead th.sort-desc::after { border-top-color: var(--text-color); opacity: 1; }
thead th.sort-asc::after { border-bottom-color: var(--text-color); opacity: 1; }

/* Styles to freeze only the first column of the holdings table */
#holdings-table th:first-child,
#holdings-table td:first-child {
    position: sticky;
    left: 0;
    z-index: 2;
    background-color: var(--card-bg);
    border-right: 1px solid var(--border-color);
}

#holdings-table thead th { z-index: 3; }

tbody tr.active td:first-child {
    background-color: rgba(var(--bs-primary-rgb), 0.25) !important;
}

.table-success, .table-success > th, .table-success > td {
    --bs-table-bg: rgba(var(--bs-success-rgb), 0.15);
    --bs-table-border-color: rgba(var(--bs-success-rgb), 0.2);
}

[data-bs-theme="light"] .table-success {
    --bs-table-color: var(--bs-success-color);
}

.table-row-text-success td {
    color: var(--bs-success) !important;
}

/* Index page styles */
.index-page {
    max-width: 960px;
    margin: 0 auto;
    font-size: 1rem;
    scroll-behavior: smooth;
}

.welcome-banner {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
}

.hero-section {
    padding-top: 1.5rem;
    padding-bottom: 2.5rem;
    background: radial-gradient(ellipse at 50% 40%, rgba(78, 115, 223, 0.08) 0%, transparent 70%);
    border-radius: 1.5rem;
}

[data-bs-theme="light"] .hero-section {
    background: radial-gradient(ellipse at 50% 40%, rgba(78, 115, 223, 0.06) 0%, transparent 70%);
}

.hero-headline {
    font-size: 2.25rem;
    font-weight: 600;
    color: var(--text-color);
}

.hero-tagline {
    font-size: 1.1rem;
    max-width: 36rem;
    margin-left: auto;
    margin-right: auto;
}

.hero-ctas .btn {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.hero-ctas .btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.feature-card {
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    border-color: var(--accent-color);
}

.feature-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, var(--accent-color) 0%, var(--accent-hover) 100%);
    color: white;
    font-size: 1.5rem;
}

.feature-list li {
    padding: 0.25rem 0;
    font-size: 0.95rem;
}

.disclaimer-section .card {
    border-radius: 1rem;
}

.disclaimer-section .btn-link:hover {
    color: var(--accent-color) !important;
}

.disclaimer-chevron {
    transition: transform 0.2s ease;
}

[data-bs-toggle="collapse"][aria-expanded="true"] .disclaimer-chevron {
    transform: rotate(180deg);
}

.hero-icon {
    font-size: 3rem;
    color: var(--accent-color);
}

.stat-item {
    font-size: 0.95rem;
    color: var(--text-muted-color);
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 2rem;
    padding: 0.5rem 1.25rem;
}

.hero-scroll-hint {
    font-size: 1.5rem;
    text-decoration: none;
    animation: bounce 2s ease infinite;
}

.hero-scroll-hint:hover {
    color: var(--accent-color) !important;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-6px); }
    60% { transform: translateY(-3px); }
}

@media (min-width: 768px) {
    .hero-section {
        padding-top: 2.5rem;
        padding-bottom: 3rem;
    }

    .hero-headline {
        font-size: 2.75rem;
    }
}