:root {
  --bg: #f7f7f8;
  --card: #ffffff;
  --text: #1a1a1a;
  --muted: #666;
  --border: #e0e0e0;
  --accent: #2563eb;
  --danger: #dc2626;
  --success: #16a34a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181d;
    --card: #1f232b;
    --text: #e8e8e8;
    --muted: #9aa0a6;
    --border: #333844;
    --accent: #5b8cff;
    --danger: #f06767;
    --success: #4ade80;
  }
}

* { box-sizing: border-box; }

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

#key-gate[hidden] { display: none; }

#key-gate {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.key-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  width: 360px;
  text-align: center;
}

.key-card h1 { font-size: 18px; margin: 0 0 8px; }
.key-card p { color: var(--muted); font-size: 13px; }
.key-card input {
  width: 100%;
  padding: 8px 10px;
  margin: 12px 0;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
.key-card button { width: 100%; }
.key-error { color: var(--danger) !important; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
}
header h1 { font-size: 16px; margin: 0; }
.header-right { display: flex; align-items: center; gap: 12px; font-size: 12px; color: var(--muted); }

#alert-banner { display: flex; flex-direction: column; gap: 6px; margin: 12px 24px 0; }
.alert-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 14px;
  border-radius: 8px;
  border-left: 4px solid var(--muted);
  background: var(--card);
  font-size: 13px;
}
.alert-item.critical { border-left-color: var(--danger); }
.alert-item.warning { border-left-color: #d97706; }
.alert-item .alert-text { color: var(--text); }
.alert-item .alert-source { color: var(--muted); font-size: 11px; text-transform: uppercase; margin-right: 8px; }
.alert-item button { flex-shrink: 0; }

#about {
  margin: 12px 24px 0;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  font-size: 13px;
}
#about summary {
  cursor: pointer;
  padding: 10px 14px;
  color: var(--accent);
  font-weight: 500;
}
.about-body { padding: 0 16px 16px; color: var(--muted); line-height: 1.5; }
.about-body strong { color: var(--text); }
.about-body ol { padding-left: 20px; margin: 8px 0; }
.about-body li { margin-bottom: 4px; }
.about-body code {
  background: var(--bg);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 12px;
}
.about-stack { border-top: 1px solid var(--border); padding-top: 10px; margin-top: 10px; }

.tab-desc { color: var(--muted); font-size: 13px; margin: 0 0 14px; max-width: 640px; }

#tabs {
  display: flex;
  gap: 4px;
  padding: 8px 24px 0;
  border-bottom: 1px solid var(--border);
}
.tab-btn {
  background: none;
  border: none;
  padding: 10px 14px;
  cursor: pointer;
  color: var(--muted);
  font-size: 13px;
  border-bottom: 2px solid transparent;
}
.tab-btn.active { color: var(--text); border-bottom-color: var(--accent); }
.count {
  display: inline-block;
  min-width: 16px;
  padding: 0 4px;
  margin-left: 4px;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-size: 11px;
}
.count:empty { display: none; }

main { padding: 20px 24px 60px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.panel-toolbar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.list { display: flex; flex-direction: column; gap: 12px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 8px;
}
.card-title { font-weight: 600; font-size: 14px; }
.card-meta { color: var(--muted); font-size: 12px; }
.card-meta span { margin-right: 10px; }
.badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--border);
  color: var(--text);
}
.badge.fresh { background: var(--accent); color: white; }

textarea {
  width: 100%;
  min-height: 120px;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 13px;
  resize: vertical;
}

.card-actions { display: flex; gap: 8px; margin-top: 10px; align-items: center; }

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 8px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
button:disabled { opacity: 0.4; cursor: default; }
button.danger { background: var(--danger); }
button.secondary { background: var(--border); color: var(--text); }
.link-btn { background: none; color: var(--accent); padding: 0; text-decoration: underline; font-size: 12px; }

select {
  padding: 7px 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
}

.reject-row { display: none; gap: 8px; align-items: center; margin-top: 8px; }
.reject-row.open { display: flex; }

.empty-state { color: var(--muted); font-size: 13px; padding: 24px 0; text-align: center; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
table th, table td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); }
table th { color: var(--muted); font-weight: 500; font-size: 12px; }