:root {
  color-scheme: light dark;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --bg: #f3f6fb;
  --surface: #ffffff;
  --surface-strong: #eef2f7;
  --text: #122033;
  --muted: #64748b;
  --border: #dbe3ee;
  --accent: #2563eb;
  --ok: #15803d;
  --warn: #b45309;
  --critical: #b91c1c;
  --shadow: 0 12px 36px rgba(15, 23, 42, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #07111f;
    --surface: #0f1c2e;
    --surface-strong: #15243a;
    --text: #e5edf8;
    --muted: #9aabc2;
    --border: #263850;
    --accent: #60a5fa;
    --ok: #4ade80;
    --warn: #fbbf24;
    --critical: #f87171;
    --shadow: none;
  }
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); }
button, input, select { font: inherit; }
button { border: 0; border-radius: 10px; padding: 0.75rem 1rem; background: var(--accent); color: white; font-weight: 700; cursor: pointer; }
button.secondary { background: var(--surface-strong); color: var(--text); border: 1px solid var(--border); }
button.danger { background: var(--critical); color: white; }
button.compact { padding: 0.45rem 0.7rem; font-size: 0.78rem; }
button:disabled { opacity: 0.55; cursor: progress; }

.app-header { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1rem max(1rem, env(safe-area-inset-left)); background: color-mix(in srgb, var(--surface) 92%, transparent); border-bottom: 1px solid var(--border); backdrop-filter: blur(16px); }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: 1.45rem; }
h2 { margin-bottom: 0.35rem; font-size: 1.15rem; }
.eyebrow { margin-bottom: 0.25rem; color: var(--muted); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.11em; }
.header-actions { display: flex; align-items: center; gap: 0.65rem; }
.status-pill { display: inline-flex; align-items: center; min-height: 2rem; padding: 0.35rem 0.7rem; border-radius: 999px; font-size: 0.78rem; font-weight: 800; }
.status-pill.neutral { background: var(--surface-strong); color: var(--muted); }
.status-pill.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); }
.status-pill.error { background: color-mix(in srgb, var(--critical) 15%, transparent); color: var(--critical); }

main { width: min(1120px, 100%); margin: 0 auto; padding: 1rem max(1rem, env(safe-area-inset-left)) calc(2rem + env(safe-area-inset-bottom)); }
.access-panel, .panel, .summary-card { background: var(--surface); border: 1px solid var(--border); box-shadow: var(--shadow); }
.access-panel { display: grid; grid-template-columns: 1fr minmax(280px, 0.7fr); gap: 1.5rem; align-items: end; margin: 1rem 0; padding: 1.25rem; border-radius: 18px; }
.access-panel p { margin-bottom: 0; color: var(--muted); line-height: 1.5; }
.token-form label, .operator-controls label { display: block; margin-bottom: 0.45rem; font-size: 0.8rem; font-weight: 800; color: var(--muted); }
.token-row { display: flex; gap: 0.6rem; }
.token-row input, .operator-controls select { width: 100%; min-width: 0; border: 1px solid var(--border); border-radius: 10px; padding: 0.75rem 0.85rem; background: var(--bg); color: var(--text); }

.dashboard { display: grid; gap: 1rem; }
.summary-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.8rem; }
.summary-card { padding: 1rem; border-radius: 16px; }
.summary-card span, .summary-card small { display: block; color: var(--muted); }
.summary-card strong { display: block; margin: 0.35rem 0; font-size: 1.65rem; }
.panel { padding: 1rem; border-radius: 18px; }
.panel-heading { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.9rem; }
.list { display: grid; gap: 0.65rem; }
.list-item { display: grid; gap: 0.35rem; padding: 0.9rem; border-radius: 12px; background: var(--surface-strong); border: 1px solid var(--border); }
.list-item-head { display: flex; justify-content: space-between; gap: 0.8rem; align-items: flex-start; }
.list-item strong { overflow-wrap: anywhere; }
.meta { display: flex; flex-wrap: wrap; gap: 0.45rem 0.8rem; color: var(--muted); font-size: 0.78rem; }
.item-actions { display: flex; justify-content: flex-end; padding-top: 0.25rem; }
.severity { border-radius: 999px; padding: 0.2rem 0.55rem; font-size: 0.72rem; font-weight: 800; white-space: nowrap; }
.severity.WARNING { color: var(--warn); background: color-mix(in srgb, var(--warn) 14%, transparent); }
.severity.CRITICAL { color: var(--critical); background: color-mix(in srgb, var(--critical) 14%, transparent); }
.severity.INFO { color: var(--accent); background: color-mix(in srgb, var(--accent) 14%, transparent); }
.empty-state { color: var(--muted); padding: 0.8rem 0; }
.notification-summary { display: flex; gap: 0.75rem; flex-wrap: wrap; margin-bottom: 0.8rem; }
.metric-chip { padding: 0.55rem 0.7rem; border-radius: 10px; background: var(--surface-strong); border: 1px solid var(--border); font-size: 0.82rem; }
.operator-controls { display: grid; grid-template-columns: minmax(180px, 1fr) auto auto; gap: 0.65rem; align-items: end; }
.operator-controls label { grid-column: 1 / -1; margin-bottom: -0.2rem; }
.operation-note { margin: 0.8rem 0 0; color: var(--muted); font-size: 0.82rem; line-height: 1.45; }
.hidden { display: none !important; }
.toast { position: fixed; left: 50%; bottom: calc(1rem + env(safe-area-inset-bottom)); transform: translateX(-50%); max-width: min(92vw, 520px); padding: 0.8rem 1rem; border-radius: 12px; background: #111827; color: white; box-shadow: 0 12px 36px rgba(0,0,0,0.25); font-size: 0.85rem; }

@media (max-width: 920px) {
  .summary-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 820px) {
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .access-panel { grid-template-columns: 1fr; }
  .app-header { align-items: flex-start; }
  .header-actions { flex-direction: column; align-items: flex-end; }
  .operator-controls { grid-template-columns: 1fr; }
  .operator-controls label { grid-column: auto; }
}

@media (max-width: 520px) {
  .summary-grid { grid-template-columns: 1fr 1fr; gap: 0.55rem; }
  .summary-card { padding: 0.8rem; }
  .summary-card strong { font-size: 1.35rem; }
  .token-row { flex-direction: column; }
  .status-pill { display: none; }
}