/* ==========================================================================
   Theme tokens — neutral zinc palette, light + dark
   ========================================================================== */

:root {
    /* Blue-forward palette — visible but still refined */
    --bg-page: #e9eff8;
    --bg-surface: #ffffff;
    --bg-surface-raised: #f0f5fc;
    --bg-surface-muted: #e4edf8;
    --bg-input: #ffffff;
    --bg-header: linear-gradient(135deg, #3d6a9e 0%, #5b7cb3 50%, #6d94c7 100%);
    --bg-table-head: #d8e6f5;
    --bg-table-head-hover: rgba(59, 89, 140, 0.1);
    --bg-table-row: #ffffff;
    --bg-table-row-alt: #f5f9fd;
    --bg-table-row-hover: #e8f1fa;
    --text-primary: #1e293b;
    --text-secondary: #5a6d85;
    --text-muted: #8b9cb5;
    --text-header: #ffffff;
    --text-header-subtle: rgba(255, 255, 255, 0.88);
    --text-on-accent: #ffffff;
    --text-accent: #4a7ab8;
    --text-table-head: #2d4a6f;
    --text-link: #4a7ab8;
    --text-link-hover: #2d5080;
    --border: #c8d9ee;
    --border-strong: #a8bfd9;
    --accent: #4a7ab8;
    --accent-hover: #3a669e;
    --accent-muted: #dce8f6;
    --accent-subtle: rgba(74, 122, 184, 0.14);
    --bg-disabled: #d8e4f2;
    --text-disabled: #8b9cb5;
    --shadow-sm: 0 1px 2px rgba(45, 74, 111, 0.06);
    --shadow-md: 0 4px 14px rgba(45, 74, 111, 0.1);
    --shadow-lg: 0 8px 24px rgba(45, 74, 111, 0.12);
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --error-bg: #fef2f2;
    --error-text: #dc2626;
    --error-border: #fecaca;
    --badge-codename-bg: #dce8f6;
    --badge-codename-text: #3a5f8f;
    --badge-codename-hover: #c5d9f0;
    --scrollbar-track: #d8e4f2;
    --scrollbar-thumb: #6d94c7;
    --focus-ring: rgba(74, 122, 184, 0.28);
    --table-sticky-shadow: 0 1px 0 #a8bfd9, 0 3px 8px rgba(45, 74, 111, 0.08);
    --sort-active: #3a669e;
}

[data-theme="dark"] {
    color-scheme: dark;

    --bg-page: #0a1018;
    --bg-surface: #121a26;
    --bg-surface-raised: #182030;
    --bg-surface-muted: #1e2838;
    --bg-input: #0e141e;
    --bg-header: linear-gradient(135deg, #1a2d45 0%, #243b5c 50%, #2d4a6f 100%);
    --bg-table-head: #1e2d42;
    --bg-table-head-hover: rgba(109, 148, 199, 0.12);
    --bg-table-row: #121a26;
    --bg-table-row-alt: #161f2e;
    --bg-table-row-hover: #1e2a3d;
    --text-primary: #ffffff;
    --text-secondary: #e8e8ec;
    --text-muted: #c8c8d0;
    --text-header: #ffffff;
    --text-header-subtle: rgba(255, 255, 255, 0.88);
    --text-on-accent: #ffffff;
    --text-accent: #ffffff;
    --text-table-head: #ffffff;
    --text-link: #ffffff;
    --text-link-hover: #ffffff;
    --border: #243044;
    --border-strong: #2f4060;
    --accent: #4a7ab8;
    --accent-hover: #5b8fd4;
    --accent-muted: #1e2d42;
    --accent-subtle: rgba(74, 122, 184, 0.18);
    --bg-disabled: #243044;
    --text-disabled: rgba(255, 255, 255, 0.45);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.55);
    --error-bg: #3b1212;
    --error-text: #fca5a5;
    --error-border: #7f1d1d;
    --badge-codename-bg: #1e2d42;
    --badge-codename-text: #f0f0f2;
    --badge-codename-hover: #2a4060;
    --scrollbar-track: #1e2838;
    --scrollbar-thumb: #4a7ab8;
    --focus-ring: rgba(126, 179, 232, 0.2);
    --table-sticky-shadow: 0 1px 0 var(--border-strong), 0 4px 12px rgba(0, 0, 0, 0.35);
    --sort-active: #ffffff;
}

/* ---------- Light mode component polish ---------- */

header,
.header {
    border-bottom: none;
    box-shadow: 0 2px 12px rgba(45, 74, 111, 0.15);
}

header,
.header,
header h1,
.header h1 {
    color: var(--text-header);
}

header p,
.header p {
    color: var(--text-header-subtle);
    opacity: 1;
}

[data-theme="light"] .theme-toggle,
:root:not([data-theme="dark"]) .theme-toggle {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.28);
}

[data-theme="light"] .theme-toggle:hover,
:root:not([data-theme="dark"]) .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
}

.header-link {
    color: rgba(255, 255, 255, 0.9);
}

.header-link:hover {
    color: #ffffff;
}

:root:not([data-theme="dark"]) .data-tab.active {
    color: var(--text-accent);
    border-top: 3px solid var(--accent);
    background: var(--bg-surface);
}

:root:not([data-theme="dark"]) .stat-value {
    color: var(--text-accent);
}

:root:not([data-theme="dark"]) .api-links {
    background: var(--accent-muted);
}

:root:not([data-theme="dark"]) .api-link {
    background: var(--bg-surface);
    border-color: var(--border-strong);
    color: var(--text-accent);
}

:root:not([data-theme="dark"]) .api-link:hover {
    background: var(--accent);
    color: var(--text-on-accent);
    border-color: var(--accent);
}

:root:not([data-theme="dark"]) .stats {
    background: linear-gradient(180deg, var(--accent-muted) 0%, var(--bg-surface-raised) 100%);
}

:root:not([data-theme="dark"]) .stat-item {
    border-color: var(--border);
}

:root:not([data-theme="dark"]) .stat-item:hover {
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
}

:root:not([data-theme="dark"]) .container {
    border-color: var(--border-strong);
}

/* ---------- Dark mode component polish ---------- */

[data-theme="dark"] header,
[data-theme="dark"] .header {
    border-bottom: none;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
}

[data-theme="dark"] .header-link {
    color: rgba(255, 255, 255, 0.88);
}

[data-theme="dark"] .header-link:hover {
    color: #ffffff;
}

[data-theme="dark"] .data-tab {
    background: var(--bg-surface-muted);
    border-color: var(--border);
    color: var(--text-secondary);
}

[data-theme="dark"] .data-tab.active {
    background: var(--bg-surface);
    border-color: var(--border-strong);
    border-top: 3px solid var(--accent);
    color: var(--text-primary);
}

[data-theme="dark"] .stat-value {
    color: var(--text-primary);
}

[data-theme="dark"] .stat-label {
    color: var(--text-secondary);
}

[data-theme="dark"] .api-link {
    background: var(--bg-surface-raised);
    color: var(--text-primary);
}

[data-theme="dark"] .api-link:hover {
    background: var(--accent);
    color: var(--text-on-accent);
    border-color: var(--accent);
}

[data-theme="dark"] .site-footer {
    background: #0a1018;
    border-top: 1px solid var(--border);
}

[data-theme="dark"] .container {
    box-shadow: var(--shadow-md), 0 0 0 1px var(--border);
}

[data-theme="dark"] .theme-toggle {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .theme-toggle:hover {
    background: rgba(255, 255, 255, 0.12);
}

[data-theme="dark"] .stat-item:hover {
    border-color: var(--border-strong);
}

[data-theme="dark"] .pagination-btn {
    background: var(--bg-surface-raised);
}

[data-theme="dark"] .pagination-btn:hover:not(:disabled) {
    background: var(--bg-surface-muted);
    border-color: var(--border-strong);
}

[data-theme="dark"] .stats {
    background: linear-gradient(180deg, var(--accent-muted) 0%, var(--bg-surface-raised) 100%);
}

[data-theme="dark"] .api-links {
    background: var(--accent-muted);
}

[data-theme="dark"] .api-links-title {
    color: var(--text-secondary);
}

[data-theme="dark"] .data-footer,
[data-theme="dark"] .data-footer-title,
[data-theme="dark"] .data-footer a,
[data-theme="dark"] .data-footer-sources a {
    color: var(--text-secondary);
}

[data-theme="dark"] .data-footer a:hover,
[data-theme="dark"] .data-footer-sources a:hover {
    color: var(--text-primary);
}

[data-theme="dark"] .nav a {
    color: var(--text-primary);
}

[data-theme="dark"] .nav a:hover {
    color: var(--text-primary);
    opacity: 0.85;
}

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

[data-theme="dark"] .tab.active {
    color: var(--text-primary);
}

[data-theme="dark"] td:first-child {
    color: var(--text-secondary);
}

[data-theme="dark"] .page-info,
[data-theme="dark"] .pagination-info,
[data-theme="dark"] #paginationInfo {
    color: var(--text-secondary);
}

[data-theme="dark"] .filter-checkbox-item label,
[data-theme="dark"] .filter-group-title,
[data-theme="dark"] .bar-limit-group label,
[data-theme="dark"] .comparison-selector label,
[data-theme="dark"] .browse-description,
[data-theme="dark"] .browse-status-text,
[data-theme="dark"] .auth-description,
[data-theme="dark"] .auth-note,
[data-theme="dark"] .import-description,
[data-theme="dark"] .import-option-hint {
    color: var(--text-secondary);
}

[data-theme="dark"] input:focus,
[data-theme="dark"] select:focus {
    border-color: var(--border-strong);
}

/* Theme toggle button */
.theme-toggle {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    font-size: 1.1rem;
    line-height: 1;
    transform: none;
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: scale(1.05);
}

.theme-toggle-icon {
    pointer-events: none;
}