:root {
  --bg: #f4f2f8;
  --bg-gradient-start: #f8f6fc;
  --bg-gradient-end: #ece8f5;
  --surface: #ffffff;
  --surface-muted: #faf9fc;
  --input-bg: #ffffff;
  --text: #1a1625;
  --muted: #5c5670;
  --border: #e2dde9;
  --accent: #6b4eff;
  --accent-hover: #5938e8;
  --accent-soft: #ede8ff;
  --danger: #c62828;
  --danger-soft: #ffebee;
  --danger-soft-hover: #ffcdd2;
  --success: #2e7d32;
  --status-error-bg: #ffebee;
  --status-ok-bg: #e8f5e9;
  --toggle-inactive-bg: rgba(0, 0, 0, 0.03);
  --radius: 12px;
  --shadow: 0 8px 30px rgba(42, 28, 84, 0.08);
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  color-scheme: light;
}

[data-theme="dark"] {
  --bg: #12101a;
  --bg-gradient-start: #16141f;
  --bg-gradient-end: #0e0c14;
  --surface: #1e1b28;
  --surface-muted: #1a1724;
  --input-bg: #252230;
  --text: #eceaf2;
  --muted: #9b94ad;
  --border: #342f45;
  --accent: #7c63ff;
  --accent-hover: #9178ff;
  --accent-soft: #2a2245;
  --danger: #ef5350;
  --danger-soft: #3d2024;
  --danger-soft-hover: #4d282d;
  --success: #66bb6a;
  --status-error-bg: #3d2024;
  --status-ok-bg: #1b3320;
  --toggle-inactive-bg: rgba(255, 255, 255, 0.05);
  --shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(160deg, var(--bg-gradient-start) 0%, var(--bg-gradient-end) 100%);
  color: var(--text);
  transition: background 0.2s ease, color 0.2s ease;
}

.hidden { display: none !important; }

.shell {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 16px 48px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent), #9b7bff);
  color: white;
  display: grid;
  place-items: center;
  font-weight: 700;
}

.brand h1 {
  margin: 0;
  font-size: 1.15rem;
}

.brand p {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.header-user-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.btn-theme {
  width: 42px;
  height: 42px;
  padding: 0;
  display: grid;
  place-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 1.15rem;
  line-height: 1;
  flex-shrink: 0;
}

.btn-theme:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  transition: background 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.card h2 {
  margin: 0 0 8px;
  font-size: 1.1rem;
}

.card .hint {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.9rem;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 6px;
}

input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  font: inherit;
  background: var(--input-bg);
  color: var(--text);
}

textarea { min-height: 120px; resize: vertical; }

.field { margin-bottom: 14px; }

.btn-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 8px;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: 10px;
  padding: 10px 16px;
}

.btn-primary {
  background: var(--accent);
  color: white;
}

.btn-primary:hover { background: var(--accent-hover); }

.btn-secondary {
  background: var(--accent-soft);
  color: var(--accent);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.tab {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}

.tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

.status {
  margin-top: 12px;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: 0.9rem;
}

.status.error { background: var(--status-error-bg); color: var(--danger); }
.status.ok { background: var(--status-ok-bg); color: var(--success); }

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

@media (max-width: 720px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.list-item {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  background: var(--surface-muted);
}

.list-item-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.btn-sm {
  padding: 6px 12px;
  font-size: 0.85rem;
}

.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
}

.btn-danger:hover {
  background: var(--danger-soft-hover);
}

.list-item h3 {
  margin: 0 0 6px;
  font-size: 0.95rem;
}

.list-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
  white-space: pre-wrap;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  margin-bottom: 8px;
}

.section-gap { margin-top: 24px; }

.empty {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 12px 0;
}

.meta {
  color: var(--muted);
  font-size: 0.85rem;
}

.variable-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 10px;
  background: var(--surface-muted);
}

.variable-card-head {
  margin-bottom: 10px;
}

.variable-card-head strong {
  display: block;
  margin-bottom: 4px;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
  font-size: 0.9rem;
}

.toggle-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.toggle-btn {
  flex: 1;
  min-width: 140px;
  min-height: 48px;
  padding: 10px 14px;
  border-radius: 10px;
  border: 1.5px solid var(--border);
  background: var(--toggle-inactive-bg);
  color: var(--muted);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.toggle-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

.toggle-btn.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px rgba(107, 78, 255, 0.15);
}

.toggle-hint {
  margin: 8px 0 0;
}

.agent-template-preview {
  white-space: pre-wrap;
  font-size: 0.85rem;
  color: var(--muted);
}

.agent-vars {
  margin: 8px 0 0;
  padding-left: 18px;
  font-size: 0.85rem;
  color: var(--muted);
}

code {
  background: var(--accent-soft);
  padding: 1px 5px;
  border-radius: 4px;
  font-size: 0.85em;
}

h3 {
  font-size: 1rem;
  margin: 0;
}