:root {
    --bg-color: #f3f4f6;
    --card-bg: #ffffff;
    --secondary-bg: #f8f9fa;
    --text-color: #1e293b;
    --muted-text: #64748b;
    --border-color: #e2e8f0;
    --link-color: #2563eb;
    --shadow-color: rgba(0, 0, 0, 0.08);
}

body.dark-mode {
    --bg-color: #0d1117 !important;
    --card-bg: #161b22 !important;
    --secondary-bg: #21262d !important;
    --text-color: #e6edf3 !important;
    --muted-text: #8b949e !important;
    --border-color: #30363d !important;
    --link-color: #58a6ff !important;
    --shadow-color: rgba(0, 0, 0, 0.35) !important;
}

/* ===== GLOBAL ===== */
html,
body {
    margin: 0;
    padding: 0;
    min-height: 100%;
    background: var(--bg-color) !important;
    font-family: Arial, sans-serif;
    color: var(--text-color) !important;
    transition: background-color 0.25s ease, color 0.25s ease;
}

body.dark-mode {
    background-color: #0d1117 !important;
    color: #e6edf3 !important;
}

/* ===== BOOTSTRAP OVERRIDES ===== */
.container {
    background: transparent !important;
}

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

body.dark-mode .text-muted {
    color: #8b949e !important;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-color) !important;
}

body.dark-mode h1,
body.dark-mode h2,
body.dark-mode h3,
body.dark-mode h4,
body.dark-mode h5,
body.dark-mode h6 {
    color: #e6edf3 !important;
}

p, span, li {
    color: var(--text-color) !important;
}

body.dark-mode p,
body.dark-mode span,
body.dark-mode li {
    color: #e6edf3 !important;
}

/* ===== MAIN HEADER ===== */
.report-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 32px;
}

.report-header h1 {
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-color) !important;
}

.report-header p {
    margin-top: 8px;
    color: var(--muted-text) !important;
    font-size: 1rem;
}

/* ===== TOGGLE BUTTON ===== */
.theme-toggle-btn {
    border: 1px solid var(--border-color);
    background: var(--secondary-bg);
    color: var(--text-color);
    width: 54px;
    height: 54px;
    border-radius: 12px;
    font-size: 1.3rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
}

.theme-toggle-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--shadow-color);
}

body.dark-mode .theme-toggle-btn {
    background: #30363d !important;
    border-color: #484f58 !important;
    color: #e6edf3 !important;
}

/* ===== TABLES ===== */
.table {
    background: transparent;
    border-collapse: collapse;
    color: var(--text-color) !important;
}

.table th,
.table td {
    border-color: var(--border-color) !important;
    color: var(--text-color) !important;
    background-color: transparent;
    padding: 12px;
}

body.dark-mode .table th,
body.dark-mode .table td {
    border-color: #30363d !important;
    color: #e6edf3 !important;
}

.table thead {
    background-color: var(--secondary-bg) !important;
}

body.dark-mode .table thead {
    background-color: #21262d !important;
}

body.dark-mode .table thead th {
    background-color: #21262d !important;
    color: #e6edf3 !important;
    border-color: #30363d !important;
}

.table tbody tr:hover {
    background-color: var(--secondary-bg) !important;
}

body.dark-mode .table tbody tr:hover {
    background-color: #21262d !important;
}

.table-light {
    background-color: var(--secondary-bg) !important;
}

body.dark-mode .table-light {
    background-color: #21262d !important;
}

.table-sm th,
.table-sm td {
    padding: 8px !important;
}

/* ===== ALERTS ===== */
.alert {
    background-color: var(--secondary-bg) !important;
    color: var(--text-color) !important;
    border-color: var(--border-color) !important;
}

body.dark-mode .alert {
    background-color: #21262d !important;
    color: #e6edf3 !important;
    border-color: #30363d !important;
}

.alert strong {
    color: var(--text-color) !important;
}

body.dark-mode .alert strong {
    color: #e6edf3 !important;
}

.alert-light {
    background-color: var(--secondary-bg) !important;
}

body.dark-mode .alert-light {
    background-color: #21262d !important;
}

/* ===== CARDS ===== */
.card {
    background-color: var(--secondary-bg) !important;
    color: var(--text-color) !important;
    border-color: var(--border-color) !important;
}

body.dark-mode .card {
    background-color: #21262d !important;
    color: #e6edf3 !important;
    border-color: #30363d !important;
}

.card-title {
    color: var(--text-color) !important;
}

body.dark-mode .card-title {
    color: #e6edf3 !important;
}

.card-text {
    color: var(--muted-text) !important;
}

body.dark-mode .card-text {
    color: #8b949e !important;
}

.card-body {
    background-color: transparent;
}

/* ===== BLOCKQUOTE ===== */
.blockquote {
    border-left-color: var(--link-color);
    background-color: var(--secondary-bg);
    color: var(--muted-text);
    padding: 16px 0 16px 16px;
}

body.dark-mode .blockquote {
    background-color: #21262d !important;
    color: #8b949e !important;
    border-left-color: #58a6ff !important;
}

body.dark-mode .blockquote p {
    color: #8b949e !important;
}

/* ===== ARTICLE CONTENT ===== */
article {
    line-height: 1.8;
}

article h4,
article h5 {
    color: var(--text-color) !important;
    font-weight: 600;
}

body.dark-mode article h4,
body.dark-mode article h5 {
    color: #e6edf3 !important;
}

article p,
article li {
    color: var(--text-color) !important;
}

body.dark-mode article p,
body.dark-mode article li {
    color: #e6edf3 !important;
}

article strong {
    color: var(--text-color) !important;
}

body.dark-mode article strong {
    color: #e6edf3 !important;
}

article em {
    color: var(--muted-text);
}

body.dark-mode article em {
    color: #8b949e;
}

/* ===== LINKS ===== */
a {
    color: var(--link-color);
    text-decoration: none;
}

a:hover {
    opacity: 0.85;
}

body.dark-mode a {
    color: #58a6ff !important;
}

/* ===== ORDERED LISTS ===== */
ol {
    color: var(--text-color) !important;
}

body.dark-mode ol {
    color: #e6edf3 !important;
}

ol li {
    color: var(--text-color) !important;
}

body.dark-mode ol li {
    color: #e6edf3 !important;
}

ol strong {
    color: var(--text-color) !important;
}

body.dark-mode ol strong {
    color: #e6edf3 !important;
}

/* ===== MOBILE ===== */
@media (max-width: 768px) {
    .report-header {
        flex-direction: column;
        gap: 16px;
    }

    .report-header h1 {
        font-size: 1.6rem;
    }

    article h4 {
        font-size: 1.1rem;
    }

    .table {
        font-size: 0.85rem;
    }

    .table th,
    .table td {
        padding: 6px !important;
    }
}