:root {
  --bg: #f5f6f8;
  --panel-bg: #ffffff;
  --text: #1a1d23;
  --muted: #6b7280;
  --border: #e2e5ea;
  --accent: #4f46e5;
  --accent-contrast: #ffffff;
  --ok: #16a34a;
  --ok-bg: #dcfce7;
  --warn: #b45309;
  --warn-bg: #fef3c7;
  --err: #dc2626;
  --err-bg: #fee2e2;
  --unread-bg: #eef2ff;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --panel-bg: #1d2026;
    --text: #e6e8eb;
    --muted: #9aa1ac;
    --border: #2c3038;
    --accent: #818cf8;
    --accent-contrast: #14161a;
    --ok: #4ade80;
    --ok-bg: #103a1e;
    --warn: #fbbf24;
    --warn-bg: #3d2e06;
    --err: #f87171;
    --err-bg: #3d1414;
    --unread-bg: #202544;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family:
    system-ui,
    -apple-system,
    'Segoe UI',
    Roboto,
    sans-serif;
  background: var(--bg);
  color: var(--text);
}

.page-header {
  padding: 1.25rem 1.5rem 0.5rem;
}

.page-header h1 {
  margin: 0 0 0.25rem;
  font-size: 1.5rem;
}

.page-header p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.page-header code {
  background: var(--border);
  padding: 0.05rem 0.35rem;
  border-radius: 4px;
}

.columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  padding: 1.25rem 1.5rem 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

@media (max-width: 800px) {
  .columns {
    grid-template-columns: 1fr;
  }
}

.demo-wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem 2rem;
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.panel h2 {
  margin: 0;
  font-size: 1.1rem;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.field input,
.token-input {
  font-size: 0.95rem;
  padding: 0.5rem 0.6rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.field input:focus,
.token-input:focus {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.chips {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.chip {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
  cursor: pointer;
}

.chip.active {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-contrast);
}

.emoji-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(52px, 1fr));
  gap: 0.5rem;
}

.emoji-grid button {
  font-size: 1.6rem;
  line-height: 1;
  padding: 0.6rem 0;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  cursor: pointer;
}

.emoji-grid button:hover,
.emoji-grid button:active {
  border-color: var(--accent);
}

.emoji-grid button:disabled,
.chip:disabled {
  opacity: 0.4;
  cursor: default;
  border-color: var(--border);
}

.btn {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: var(--accent-contrast);
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  font-size: 0.9rem;
  cursor: pointer;
}

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

.btn-danger {
  background: var(--err-bg);
  color: var(--err);
  border-color: var(--err);
}

.btn:disabled {
  opacity: 0.5;
  cursor: default;
}

.demo-restart-row {
  margin-top: 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.token-input {
  width: 160px;
  font-size: 0.9rem;
  padding: 0.55rem 0.6rem;
}

.hint {
  margin: 0;
  font-size: 0.78rem;
  color: var(--muted);
}

.status {
  min-height: 1.4rem;
  font-size: 0.85rem;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  border: 1px solid transparent;
}

.status.ok {
  background: var(--ok-bg);
  color: var(--ok);
  border-color: var(--ok);
}

.status.warn {
  background: var(--warn-bg);
  color: var(--warn);
  border-color: var(--warn);
}

.status.err {
  background: var(--err-bg);
  color: var(--err);
  border-color: var(--err);
}

.ws-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.indicator .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--err);
}

.indicator.online .dot {
  background: var(--ok);
}

.indicator.restarting .dot {
  background: var(--warn);
  animation: pulse 1s ease-in-out infinite;
}

.indicator.checking .dot {
  background: var(--muted);
}

@keyframes pulse {
  50% {
    opacity: 0.3;
  }
}

.notification-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  max-height: 480px;
  overflow-y: auto;
}

.card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.6rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--panel-bg);
  cursor: pointer;
}

.card.unread {
  background: var(--unread-bg);
  border-color: var(--accent);
}

.card.read {
  opacity: 0.5;
  cursor: default;
}

.card .emoji {
  font-size: 1.4rem;
}

.card .body {
  flex: 1;
  min-width: 0;
}

.card .meta {
  font-size: 0.72rem;
  color: var(--muted);
  display: flex;
  gap: 0.4rem;
}

.card .badge {
  background: var(--accent);
  color: var(--accent-contrast);
  border-radius: 999px;
  font-size: 0.72rem;
  padding: 0.15rem 0.5rem;
  white-space: nowrap;
}

.card.flash {
  animation: flash 0.5s ease;
}

@keyframes flash {
  from {
    background: var(--accent);
  }
  to {
    background: var(--unread-bg);
  }
}