/* ── Design Tokens (same as epub_webapp) ─────────────── */

:root {
    --bg:           #f8f9fc;
    --bg-secondary: #f1f3f9;
    --surface:      #ffffff;
    --accent:       #6366f1;
    --accent-hover: #4f46e5;
    --accent-light: rgba(99, 102, 241, 0.08);
    --accent-glow:  rgba(99, 102, 241, 0.15);
    --text:         #1e293b;
    --text-secondary: #64748b;
    --text-muted:   #94a3b8;
    --border:       #e2e8f0;
    --border-light: #f1f5f9;
    --danger:       #ef4444;
    --danger-hover: #dc2626;
    --success:      #22c55e;
    --warning:      #f59e0b;
    --shadow-xs:    0 1px 2px rgba(0,0,0,0.05);
    --shadow:       0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md:    0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -2px rgba(0,0,0,0.1);
    --shadow-lg:    0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -4px rgba(0,0,0,0.1);
    --radius:       12px;
    --radius-sm:    8px;
    --radius-xs:    6px;
    --transition:   150ms cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
    --bg:           #0f0f14;
    --bg-secondary: #16161e;
    --surface:      #1a1a24;
    --accent:       #818cf8;
    --accent-hover: #6366f1;
    --accent-light: rgba(129, 140, 248, 0.1);
    --accent-glow:  rgba(129, 140, 248, 0.2);
    --text:         #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted:   #64748b;
    --border:       #2d2d3a;
    --border-light: #232330;
    --danger:       #f87171;
    --danger-hover: #ef4444;
    --success:      #4ade80;
    --warning:      #fbbf24;
    --shadow-xs:    0 1px 2px rgba(0,0,0,0.2);
    --shadow:       0 1px 3px rgba(0,0,0,0.3), 0 1px 2px rgba(0,0,0,0.2);
    --shadow-md:    0 4px 6px -1px rgba(0,0,0,0.4), 0 2px 4px -2px rgba(0,0,0,0.3);
    --shadow-lg:    0 10px 15px -3px rgba(0,0,0,0.5), 0 4px 6px -4px rgba(0,0,0,0.4);
}

/* ── Reset ───────────────────────────────────────────── */

*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-hover); }

/* ── Nav ─────────────────────────────────────────────── */

nav {
    background: var(--surface);
    color: var(--text);
    padding: 0 1.5rem;
    height: 56px;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    background: rgba(255, 255, 255, 0.85);
}

[data-theme="dark"] nav {
    background: rgba(15, 15, 20, 0.85);
}

.logo {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--accent);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.nav-links {
    display: flex;
    gap: 0.25rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    padding: 0.4rem 0.75rem;
    border-radius: var(--radius-xs);
    transition: all var(--transition);
}

.nav-links a:hover {
    color: var(--text);
    background: var(--accent-light);
}

.nav-auth {
    margin-left: 0.25rem;
    padding: 0.35rem 0.85rem;
    background: var(--bg-secondary);
    border-radius: var(--radius-xs);
    font-size: 0.85rem;
    border: 1px solid var(--border);
}

#theme-toggle {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: all var(--transition);
    flex-shrink: 0;
}

#theme-toggle:hover {
    background: var(--accent-light);
    border-color: var(--accent);
    color: var(--accent);
}

/* ── Main ────────────────────────────────────────────── */

main {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 1.15rem;
    font-weight: 600;
    margin: 1.75rem 0 0.75rem;
}

/* ── Stats Grid ──────────────────────────────────────── */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: all var(--transition);
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.03em;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.35rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* ── Buttons ─────────────────────────────────────────── */

.btn {
    display: inline-block;
    padding: 0.55rem 1.2rem;
    background: var(--bg-secondary);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    text-align: center;
}

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

.btn-primary {
    background: var(--accent);
    color: #fff;
    border: none;
}

.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

.btn-danger {
    background: var(--danger);
    color: #fff;
    border: none;
}

.btn-danger:hover {
    background: var(--danger-hover);
}

.btn-sm {
    padding: 0.25rem 0.65rem;
    font-size: 0.8rem;
}

.btn-active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ── Badges ──────────────────────────────────────────── */

.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-ok { background: rgba(34, 197, 94, 0.15); color: #16a34a; }
.badge-warning { background: rgba(245, 158, 11, 0.15); color: #d97706; }
.badge-error { background: rgba(239, 68, 68, 0.15); color: #dc2626; }
.badge-info { background: rgba(99, 102, 241, 0.15); color: var(--accent); }
.badge-muted { background: var(--bg-secondary); color: var(--text-muted); }

.badge-queued { background: rgba(245, 158, 11, 0.15); color: #d97706; }
.badge-downloading { background: rgba(99, 102, 241, 0.15); color: var(--accent); }
.badge-completed { background: rgba(34, 197, 94, 0.15); color: #16a34a; }
.badge-failed { background: rgba(239, 68, 68, 0.15); color: #dc2626; }
.badge-skipped_db { background: rgba(100, 116, 139, 0.15); color: var(--text-secondary); }
.badge-skipped_dup { background: rgba(100, 116, 139, 0.15); color: var(--text-secondary); }

[data-theme="dark"] .badge-ok { color: #4ade80; }
[data-theme="dark"] .badge-warning { color: #fbbf24; }
[data-theme="dark"] .badge-error { color: #f87171; }
[data-theme="dark"] .badge-info { color: #818cf8; }

/* ── Auth Pages ─────────────────────────────────────── */

.auth-container {
    max-width: 400px;
    margin: 4rem auto;
    padding: 2.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: var(--shadow-lg);
}

.auth-container h1 {
    text-align: center;
    margin-bottom: 0.5rem;
    font-size: 1.5rem;
}

.auth-container > p {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.auth-form label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
    font-size: 0.85rem;
}

.auth-form input[type="text"],
.auth-form input[type="password"] {
    width: 100%;
    padding: 0.65rem 0.85rem;
    margin-bottom: 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: 0.95rem;
    box-sizing: border-box;
    background: var(--bg-secondary);
    color: var(--text);
    transition: all var(--transition);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--surface);
}

.auth-form button {
    width: 100%;
    padding: 0.7rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-xs);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition);
}

.auth-form button:hover {
    background: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

.auth-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
    padding: 0.65rem 0.85rem;
    border-radius: var(--radius-xs);
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

/* ── Forms ────────────────────────────────────────────── */

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem 1rem;
    align-items: end;
}

.form-group {
    margin-bottom: 0.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.35rem;
    font-weight: 600;
    font-size: 0.85rem;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.55rem 0.75rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-size: 0.9rem;
    box-sizing: border-box;
    background: var(--bg-secondary);
    color: var(--text);
    transition: all var(--transition);
}

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

.form-wide {
    grid-column: 1 / -1;
}

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

/* ── Cards ───────────────────────────────────────────── */

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
}

/* ── Rules List ──────────────────────────────────────── */

.rules-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.rule-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    box-shadow: var(--shadow-xs);
    transition: all var(--transition);
}

.rule-card:hover {
    box-shadow: var(--shadow);
}

.rule-disabled {
    opacity: 0.6;
}

.rule-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.rule-name {
    font-weight: 600;
    font-size: 1rem;
}

.rule-details {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.rule-type {
    background: var(--accent-light);
    color: var(--accent);
    padding: 0.15rem 0.5rem;
    border-radius: 9999px;
    font-weight: 500;
    font-size: 0.8rem;
}

.rule-pattern code {
    background: var(--bg-secondary);
    padding: 0.15rem 0.4rem;
    border-radius: 3px;
    font-size: 0.8rem;
}

.rule-actions {
    display: flex;
    gap: 0.5rem;
}

/* ── Search ──────────────────────────────────────────── */

.search-form {
    margin-bottom: 1.5rem;
}

.search-input-lg {
    width: 100%;
    padding: 0.75rem 1.1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 1rem;
    background: var(--surface);
    color: var(--text);
    transition: all var(--transition);
}

.search-input-lg:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.search-results {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.75rem;
}

.search-result-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    transition: all var(--transition);
}

.search-result-card:hover {
    box-shadow: var(--shadow);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.75rem;
}

.result-title {
    font-weight: 500;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.result-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

.result-push-form {
    margin-top: 0.5rem;
}

/* ── Filter Bar ──────────────────────────────────────── */

.filter-bar {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 1.25rem;
    flex-wrap: wrap;
}

/* ── Data Table ──────────────────────────────────────── */

.downloads-table-wrap {
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.data-table th {
    text-align: left;
    padding: 0.6rem 0.75rem;
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.data-table td {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border-light);
    vertical-align: middle;
}

.data-table tr:hover td {
    background: var(--accent-light);
}

.data-table-compact td,
.data-table-compact th {
    padding: 0.35rem 0.6rem;
    font-size: 0.8rem;
}

.dl-title {
    max-width: 400px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.error-detail {
    margin-left: 0.3rem;
    cursor: help;
    color: var(--warning);
}

/* ── Fetcher Status ──────────────────────────────────── */

.fetcher-status {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-xs);
}

.status-row {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.35rem;
    font-size: 0.9rem;
}

.status-label {
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 80px;
}

.last-result-badges {
    display: inline-flex;
    gap: 0.35rem;
    flex-wrap: wrap;
    align-items: center;
}

/* ── Fetch Result Card ────────────────────────────────── */

#fetch-result {
    margin-top: 1rem;
}

.fetch-result-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1.25rem 1.5rem;
    box-shadow: var(--shadow);
}

.fetch-result-card.fetch-result-error {
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.05);
    color: var(--danger);
}

.fetch-result-header {
    font-weight: 700;
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.fetch-result-grid {
    display: flex;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.fetch-stat {
    text-align: center;
    min-width: 70px;
}

.fetch-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.03em;
}

.fetch-result-error .fetch-stat-value {
    color: var(--danger);
}

.fetch-stat-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

/* ── Spinner ──────────────────────────────────────────── */

.spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2.5px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: middle;
    margin-right: 0.35rem;
}

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

/* ── Quick Actions ───────────────────────────────────── */

.quick-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* ── Alerts ──────────────────────────────────────────── */

.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    color: var(--success);
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ── Users List ──────────────────────────────────────── */

.users-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.user-card {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
}

.user-name {
    font-weight: 500;
    min-width: 120px;
}

/* ── History ─────────────────────────────────────────── */

.history-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.history-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
}

.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.history-time {
    font-weight: 600;
    font-size: 0.9rem;
}

.history-stats {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 0.5rem;
}

.history-details {
    margin-top: 0.5rem;
}

.history-details summary {
    cursor: pointer;
    font-size: 0.85rem;
    color: var(--accent);
    font-weight: 500;
}

.history-details summary:hover {
    text-decoration: underline;
}

/* ── Footer ──────────────────────────────────────────── */

footer {
    text-align: center;
    padding: 2rem 1.5rem;
    color: var(--text-muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}

/* ── Documentation Page ───────────────────────────────── */

.docs-container {
    max-width: 900px;
    margin: 2rem auto;
    padding: 0 1.5rem;
}

.docs-container h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.docs-container h2 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
}

.docs-container h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
}

.docs-container p {
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.docs-container code {
    background: var(--bg-secondary);
    padding: 0.15rem 0.4rem;
    border-radius: var(--radius-xs);
    font-size: 0.88em;
}

.docs-toc {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.2rem;
    padding: 1rem 1.25rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.docs-toc strong {
    font-weight: 600;
}

.docs-toc a {
    color: var(--accent);
    text-decoration: none;
}

.docs-toc a:hover {
    text-decoration: underline;
}

.docs-note {
    margin-top: 1rem;
    padding: 0.75rem 1rem;
    background: var(--accent-light);
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    line-height: 1.6;
}

.docs-container kbd {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-xs);
    font-family: inherit;
    font-size: 0.85rem;
    box-shadow: 0 1px 0 var(--border);
}