/* ── Variables ── */
:root {
    --bg-primary: #0a0e1a;
    --bg-card: #111827;
    --bg-card-hover: #1a2236;
    --bg-input: #0f172a;
    --border: #1e293b;
    --border-light: #334155;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #22d3ee;
    --green: #34d399;
    --red: #f87171;
    --yellow: #fbbf24;
    --purple: #a78bfa;
    --radius: 12px;
    --radius-sm: 8px;
    --sidebar-width: 220px;
}

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

body {
    font-family: 'JetBrains Mono', 'SF Mono', 'Fira Code', ui-monospace, monospace;
    font-size: 13px;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

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

.app-layout { display: flex; min-height: 100vh; }

/* ── Sidebar ── */
.sidebar {
    width: var(--sidebar-width); background: var(--bg-card); border-right: 1px solid var(--border);
    padding: 20px 0; position: fixed; top: 0; left: 0; bottom: 0; overflow-y: auto; z-index: 100;
}
.sidebar-logo { padding: 0 20px 24px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
.logo-icon { font-size: 22px; color: var(--accent); }
.logo-icon-lg { font-size: 36px; }
.logo-text { font-size: 16px; font-weight: 700; color: var(--text-primary); }
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; padding: 0 8px; }
.nav-item { display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: var(--radius-sm); color: var(--text-secondary); transition: all 0.15s; text-decoration: none; }
.nav-item:hover { background: var(--bg-card-hover); color: var(--text-primary); text-decoration: none; }
.nav-item.active { background: rgba(34,211,238,0.1); color: var(--accent); }
.nav-icon { font-size: 16px; width: 20px; text-align: center; }

/* ── Main ── */
.main-content { flex: 1; margin-left: var(--sidebar-width); min-height: 100vh; }

/* ── Top Bar ── */
.top-bar { display: flex; align-items: center; justify-content: space-between; padding: 12px 24px; background: var(--bg-card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.top-bar-left { display: flex; align-items: center; gap: 12px; }
.top-bar-right { display: flex; align-items: center; gap: 10px; }
.site-selector { background: var(--bg-input); color: var(--text-primary); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 6px 12px; font-family: inherit; font-size: 12px; }
.current-site { color: var(--text-secondary); font-size: 12px; }

/* ── Page ── */
.page-content { padding: 24px; }
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; gap: 12px; }
.page-header h1 { font-size: 20px; font-weight: 700; }

/* ── Cards ── */
.card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 20px; overflow: hidden; }
.card-header { display: flex; align-items: center; justify-content: space-between; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.card-header h2 { font-size: 14px; font-weight: 600; }
.card-body { padding: 18px; }

/* ── Stats ── */
.stats-grid { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 20px; }
.stats-grid-4 { grid-template-columns: repeat(4, 1fr); }
.stat-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; text-align: center; }
.stat-value { display: block; font-size: 28px; font-weight: 800; line-height: 1.2; }
.stat-label { display: block; font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; }
.stat-value.green { color: var(--green); }
.stat-value.cyan { color: var(--accent); }
.stat-value.yellow { color: var(--yellow); }
.stat-value.purple { color: var(--purple); }
.stat-value.red { color: var(--red); }

/* ── Tables ── */
.table-wrapper { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; }
.data-table th { padding: 10px 14px; text-align: left; font-size: 10px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-muted); border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table td { padding: 10px 14px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table tbody tr:hover { background: var(--bg-card-hover); }
.clickable-row { cursor: pointer; }
.kw-cell { font-weight: 500; }
.kw-link { color: var(--text-primary); }
.kw-link:hover { color: var(--accent); }

/* ── Badges ── */
.position-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 12px; font-weight: 600; min-width: 32px; text-align: center; }
.pos-top3 { background: rgba(52,211,153,0.15); color: var(--green); }
.pos-top10 { background: rgba(34,211,238,0.15); color: var(--accent); }
.pos-top20 { background: rgba(251,191,36,0.15); color: var(--yellow); }
.pos-rest { background: rgba(248,113,113,0.15); color: var(--red); }
.pos-none { background: rgba(100,116,139,0.15); color: var(--text-muted); }
.change-up { color: var(--green); font-weight: 600; }
.change-down { color: var(--red); font-weight: 600; }
.change-none { color: var(--text-muted); }
.status-badge { display: inline-block; padding: 2px 8px; border-radius: 4px; font-size: 11px; font-weight: 500; }
.status-active { background: rgba(52,211,153,0.15); color: var(--green); }
.status-inactive { background: rgba(100,116,139,0.15); color: var(--text-muted); }
.source-badge { font-size: 10px; color: var(--text-muted); text-transform: uppercase; }

/* ── Buttons ── */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 8px 16px; border: 1px solid var(--border); border-radius: var(--radius-sm); font-family: inherit; font-size: 12px; font-weight: 500; cursor: pointer; transition: all 0.15s; background: transparent; color: var(--text-primary); text-decoration: none; gap: 6px; white-space: nowrap; }
.btn:hover { background: var(--bg-card-hover); text-decoration: none; }
.btn-primary { background: var(--accent); color: #0a0e1a; border-color: var(--accent); }
.btn-primary:hover { background: #06b6d4; }
.btn-danger { color: var(--red); border-color: rgba(248,113,113,0.3); }
.btn-danger:hover { background: rgba(248,113,113,0.1); }
.btn-ghost { border: none; color: var(--text-secondary); }
.btn-ghost:hover { color: var(--text-primary); background: var(--bg-card-hover); }
.btn-sm { padding: 5px 10px; font-size: 11px; }
.btn-xs { padding: 3px 8px; font-size: 10px; }
.btn-full { width: 100%; }
.time-filters { display: flex; gap: 4px; margin-bottom: 16px; flex-wrap: wrap; }
.btn-filter { padding: 4px 10px; font-size: 11px; border: 1px solid var(--border); border-radius: 6px; color: var(--text-muted); }
.btn-filter.active, .btn-filter:hover { background: rgba(34,211,238,0.1); color: var(--accent); border-color: rgba(34,211,238,0.3); }

/* ── Forms ── */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 11px; color: var(--text-secondary); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px; }
.form-input { width: 100%; padding: 8px 12px; background: var(--bg-input); border: 1px solid var(--border); border-radius: var(--radius-sm); color: var(--text-primary); font-family: inherit; font-size: 13px; transition: border-color 0.15s; }
.form-input:focus { outline: none; border-color: var(--accent); }
.form-input-sm { max-width: 120px; }
.form-textarea { resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-inline { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; }
.form-inline .form-group { flex: 1; min-width: 150px; }
.form-actions { display: flex; gap: 8px; margin-top: 8px; }
.form-checkbox { display: flex; align-items: center; gap: 8px; cursor: pointer; font-size: 13px; color: var(--text-primary); text-transform: none; letter-spacing: 0; }
.form-checkbox input[type="checkbox"] { width: 16px; height: 16px; accent-color: var(--accent); }
.inline-form { display: inline; }
small.text-muted { font-size: 10px; }

/* ── Flash ── */
.flash-messages { padding: 0 24px; margin-top: 12px; }
.flash { padding: 10px 14px; border-radius: var(--radius-sm); margin-bottom: 8px; font-size: 12px; display: flex; align-items: center; justify-content: space-between; }
.flash-success { background: rgba(52,211,153,0.1); color: var(--green); border: 1px solid rgba(52,211,153,0.2); }
.flash-error { background: rgba(248,113,113,0.1); color: var(--red); border: 1px solid rgba(248,113,113,0.2); }
.flash-warning { background: rgba(251,191,36,0.1); color: var(--yellow); border: 1px solid rgba(251,191,36,0.2); }
.flash-close { background: none; border: none; color: inherit; font-size: 16px; cursor: pointer; padding: 0 4px; }

/* ── Charts ── */
.chart-container { padding: 16px; height: 300px; }
.chart-sm { height: 200px; }

/* ── Empty / Auth ── */
.empty-state { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.empty-state p { margin-bottom: 16px; font-size: 14px; }
.auth-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.auth-container { width: 100%; max-width: 380px; padding: 20px; }
.auth-card { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 32px; }
.auth-header { text-align: center; margin-bottom: 24px; }
.auth-header h1 { font-size: 22px; font-weight: 700; margin-top: 8px; }
.auth-header .text-muted { margin-top: 4px; }

/* ── Utility ── */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.actions-cell { display: flex; gap: 4px; }

/* ── Responsive ── */
@media (max-width: 768px) {
    .sidebar { position: fixed; transform: translateX(-100%); transition: transform 0.2s; }
    .main-content { margin-left: 0; }
    .stats-grid { grid-template-columns: repeat(3, 1fr); }
    .stats-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
    .top-bar { padding: 10px 14px; }
    .page-content { padding: 14px; }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}