:root {
    --bg: #06060b;
    --bg-card: #0d0d14;
    --bg-card-hover: #111119;
    --bg-elevated: #13131d;
    --border: #1e1e2e;
    --border-light: #16161f;
    --text: #e8e8f0;
    --text-secondary: #9898b0;
    --text-muted: #5e5e78;
    --accent: #6366f1;
    --accent-light: #818cf8;
    --accent-glow: rgba(99, 102, 241, 0.12);
    --green: #10b981;
    --green-glow: rgba(16, 185, 129, 0.12);
    --red: #ef4444;
    --red-glow: rgba(239, 68, 68, 0.1);
    --orange: #f59e0b;
    --orange-glow: rgba(245, 158, 11, 0.1);
    --cyan: #06b6d4;
    --cyan-glow: rgba(6, 182, 212, 0.1);
    --purple: #a855f7;
    --font: 'Inter', -apple-system, sans-serif;
    --mono: 'JetBrains Mono', monospace;
    --radius: 16px;
    --radius-sm: 10px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 15px; }
body { font-family: var(--font); background: var(--bg); color: var(--text); -webkit-font-smoothing: antialiased; }
a { color: var(--accent-light); text-decoration: none; }

.dashboard { max-width: 1440px; margin: 0 auto; padding: 2rem; }

/* HEADER */
.header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.5rem; padding-bottom: 1.5rem; border-bottom: 1px solid var(--border-light); }
.header-left { display: flex; align-items: center; gap: 1.25rem; }
.logo { width: 42px; height: 42px; background: linear-gradient(135deg, var(--accent), var(--purple)); border-radius: 12px; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; color: #fff; }
.header-title { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.03em; }
.header-subtitle { font-size: 0.8rem; color: var(--text-muted); font-weight: 500; margin-top: 0.15rem; }
.header-right { display: flex; align-items: center; gap: 1rem; }
.date-badge { background: var(--bg-card); border: 1px solid var(--border); padding: 0.5rem 1rem; border-radius: 100px; font-size: 0.8rem; color: var(--text-secondary); }
.live-dot { width: 8px; height: 8px; background: var(--green); border-radius: 50%; animation: pulse 2s infinite; display: inline-block; margin-right: 0.4rem; }
@keyframes pulse { 0%,100%{opacity:1}50%{opacity:0.4} }
.status-badge { display: flex; align-items: center; background: var(--green-glow); border: 1px solid rgba(16,185,129,0.2); padding: 0.4rem 0.9rem; border-radius: 100px; font-size: 0.75rem; color: var(--green); font-weight: 600; }
.admin-link { font-size: 1.2rem; opacity: 0.3; transition: opacity 0.2s; }
.admin-link:hover { opacity: 1; }

/* TABS */
.tabs { display: flex; gap: 0.25rem; margin-bottom: 2rem; background: var(--bg-card); border: 1px solid var(--border-light); border-radius: 12px; padding: 0.3rem; overflow-x: auto; }
.tab { background: none; border: none; color: var(--text-muted); font-family: var(--font); font-size: 0.82rem; font-weight: 600; padding: 0.6rem 1.25rem; border-radius: 8px; cursor: pointer; white-space: nowrap; transition: all 0.2s; }
.tab:hover { color: var(--text-secondary); }
.tab.active { background: var(--accent); color: #fff; }
.tab-content { display: none; }
.tab-content.active { display: block; }

/* KPI ROW */
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
.kpi-card { background: var(--bg-card); border: 1px solid var(--border-light); border-radius: var(--radius); padding: 1.25rem 1.5rem; position: relative; overflow: hidden; transition: all 0.3s; }
.kpi-card:hover { border-color: var(--border); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(0,0,0,0.3); }
.kpi-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 2px; }
.kpi-card[data-color="accent"]::before { background: linear-gradient(90deg, var(--accent), transparent); }
.kpi-card[data-color="green"]::before { background: linear-gradient(90deg, var(--green), transparent); }
.kpi-card[data-color="orange"]::before { background: linear-gradient(90deg, var(--orange), transparent); }
.kpi-card[data-color="cyan"]::before { background: linear-gradient(90deg, var(--cyan), transparent); }
.kpi-card[data-color="purple"]::before { background: linear-gradient(90deg, var(--purple), transparent); }
.kpi-card[data-color="red"]::before { background: linear-gradient(90deg, var(--red), transparent); }
.kpi-label { font-size: 0.68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 600; margin-bottom: 0.5rem; }
.kpi-value { font-size: 1.75rem; font-weight: 800; letter-spacing: -0.03em; font-family: var(--mono); }
.kpi-sub { font-size: 0.7rem; color: var(--text-muted); margin-top: 0.35rem; }
.kpi-change { display: inline-flex; font-size: 0.72rem; font-weight: 600; margin-top: 0.35rem; padding: 0.15rem 0.45rem; border-radius: 5px; }
.kpi-change.up { color: var(--green); background: var(--green-glow); }
.kpi-change.down { color: var(--red); background: var(--red-glow); }

/* GRIDS */
.grid-2 { display: grid; grid-template-columns: 1.5fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }
.grid-2-equal { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; margin-bottom: 1.5rem; }

/* CARDS */
.card { background: var(--bg-card); border: 1px solid var(--border-light); border-radius: var(--radius); padding: 1.75rem; margin-bottom: 1.5rem; }
.card-green-border { border-left: 3px solid var(--green); }
.card-red-border { border-left: 3px solid var(--red); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.card-title { font-size: 0.95rem; font-weight: 700; }
.card-badge { font-size: 0.7rem; color: var(--text-muted); background: var(--bg-elevated); padding: 0.3rem 0.75rem; border-radius: 100px; border: 1px solid var(--border); }
.chart-container { position: relative; width: 100%; }
.chart-container.tall { height: 320px; }
.chart-container.medium { height: 260px; }

/* TABLES */
.table-scroll { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.82rem; }
.data-table th { text-align: left; font-size: 0.68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; padding: 0.75rem 0.75rem; border-bottom: 1px solid var(--border); white-space: nowrap; }
.data-table td { padding: 0.7rem 0.75rem; border-bottom: 1px solid var(--border-light); }
.data-table tr:hover td { background: var(--bg-elevated); }

/* STATUS BADGES */
.badge { display: inline-block; padding: 0.15rem 0.55rem; border-radius: 6px; font-size: 0.68rem; font-weight: 600; white-space: nowrap; }
.badge-green { background: var(--green-glow); color: var(--green); }
.badge-orange { background: var(--orange-glow); color: var(--orange); }
.badge-cyan { background: var(--cyan-glow); color: var(--cyan); }
.badge-accent { background: var(--accent-glow); color: var(--accent-light); }
.badge-red { background: var(--red-glow); color: var(--red); }
.badge-purple { background: rgba(168,85,247,0.12); color: var(--purple); }

/* ITEMS */
.item { padding: 0.85rem 0; border-bottom: 1px solid var(--border-light); }
.item:last-child { border-bottom: none; }
.item-title { font-size: 0.85rem; font-weight: 600; margin-bottom: 0.25rem; }
.item-meta { font-size: 0.72rem; color: var(--text-muted); }
.item-desc { font-size: 0.82rem; color: var(--text-secondary); margin-top: 0.35rem; line-height: 1.6; }

/* AI SCORE */
.ai-score-card { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 2rem; }
.ai-score-number { font-size: 4rem; font-weight: 900; font-family: var(--mono); }
.ai-score-label { font-size: 0.85rem; color: var(--text-muted); margin-top: 0.5rem; }
.ai-score-bar { width: 100%; height: 8px; background: var(--bg-elevated); border-radius: 4px; margin-top: 1.5rem; overflow: hidden; }
.ai-score-fill { height: 100%; border-radius: 4px; transition: width 1s ease; }

/* MOBILITY FOCUS */
.focus-section { margin-bottom: 1.5rem; }
.focus-title { font-size: 0.75rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600; margin-bottom: 0.75rem; }
.focus-text { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; white-space: pre-wrap; }

/* EMPTY STATE */
.empty { text-align: center; padding: 3rem; color: var(--text-muted); }
.empty-icon { font-size: 2rem; margin-bottom: 0.75rem; }
.empty-text { font-size: 0.9rem; }
.empty-sub { font-size: 0.78rem; margin-top: 0.5rem; color: var(--text-muted); }

/* RESPONSIVE */
@media (max-width: 1200px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }
@media (max-width: 768px) { .dashboard { padding: 1rem; } .header { flex-direction: column; align-items: flex-start; gap: 1rem; } .tabs { flex-wrap: nowrap; } .kpi-row { grid-template-columns: 1fr 1fr; } .grid-2-equal { grid-template-columns: 1fr; } }

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }