:root {
  --bg: #050608;
  --bg-raise: #0b0d13;
  --glass-bg: rgba(255,255,255,0.045);
  --glass-border: rgba(255,255,255,0.11);
  --violet: #8b5cf6;
  --violet-hi: #b39dff;
  --amber: #ff9d42;
  --amber-hi: #ffc27a;
  --text: #f5f3fb;
  --text-dim: #c9c5d6;
  --text-faint: #938da3;
  --f-body: 'Inter', ui-sans-serif, system-ui, sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: var(--f-body); }
[hidden] { display: none !important; }

.gate { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.gate-card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 20px; padding: 40px; max-width: 360px; width: 100%; text-align: center; }
.gate-card h1 { font-size: 24px; margin: 0 0 8px; }
.gate-card p { color: var(--text-dim); margin: 0 0 20px; }
.gate-card input { width: 100%; padding: 12px 16px; border-radius: 10px; border: 1px solid var(--glass-border); background: var(--bg-raise); color: var(--text); font-size: 16px; margin-bottom: 12px; }
.gate-error { color: var(--amber); font-size: 14px; margin-top: 12px !important; }

.btn { width: 100%; padding: 12px 16px; border-radius: 999px; border: none; background: linear-gradient(135deg, var(--violet), var(--amber)); color: #050608; font-weight: 700; font-size: 15px; cursor: pointer; }

.dashboard { padding: 60px 20px; }
.wrap { max-width: 880px; margin: 0 auto; }
.dashboard-title { font-size: 20px; font-weight: 700; margin: 0 0 16px; color: var(--text); }

.demo-banner {
  font-family: var(--f-mono); font-size: 11px; font-weight: 700; letter-spacing: 0.08em;
  color: var(--amber-hi); background: rgba(255,157,66,0.12); border: 1px solid rgba(255,157,66,0.35);
  border-radius: 999px; padding: 6px 14px; display: inline-block; margin: 0 0 16px;
}

.card-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }

.card { background: var(--glass-bg); border: 1px solid var(--glass-border); border-radius: 20px; padding: 24px; backdrop-filter: blur(16px); }
.card-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.card-label { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.08em; color: var(--text-faint); }
.status-badge { font-family: var(--f-mono); font-size: 11px; font-weight: 700; color: #6ee7a0; }
.status-badge.idle { color: var(--text-faint); }
.card-title { font-size: 16px; font-weight: 600; margin: 0 0 12px; color: var(--text-dim); }
.card-metric { font-size: 32px; font-weight: 700; color: var(--violet-hi); margin: 0; }
.card-sub { font-size: 13px; color: var(--text-faint); margin: 4px 0 16px; }
.sparkline { width: 100%; height: 40px; display: block; }
.sparkline path { fill: none; stroke: var(--amber); stroke-width: 2; }

.card-timestamp { font-family: var(--f-mono); font-size: 11px; color: var(--text-faint); margin: 14px 0 0; display: flex; align-items: center; gap: 6px; }
.card-timestamp::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: #6ee7a0; flex-shrink: 0; }