:root {
  --bg: #f6f7fb; --bg-card: #ffffff; --bg-input: #f1f3f8; --bg-hover: #eef1f7;
  --fg: #0f172a; --fg-muted: #64748b; --border: #e2e8f0;
  --primary: #4f46e5; --primary-fg: #ffffff;
  --ok: #16a34a; --warn: #d97706; --err: #dc2626; --info: #0284c7;
  --shadow: 0 1px 3px rgba(15,23,42,.06), 0 1px 2px rgba(15,23,42,.04);
}
[data-theme="dark"] {
  --bg: #0b1220; --bg-card: #131a2a; --bg-input: #1a2336; --bg-hover: #1e293b;
  --fg: #e2e8f0; --fg-muted: #94a3b8; --border: #1e293b;
  --primary: #6366f1; --primary-fg: #ffffff;
  --ok: #22c55e; --warn: #f59e0b; --err: #ef4444; --info: #38bdf8;
  --shadow: 0 4px 20px rgba(0,0,0,.3);
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: Inter, system-ui, -apple-system, sans-serif;
  font-size: 14px; line-height: 1.5;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
code, .mono { font-family: 'SF Mono', Consolas, monospace; font-size: 12.5px; }
.muted { color: var(--fg-muted); }

.topbar { background: var(--bg-card); border-bottom: 1px solid var(--border); }
.topbar-inner {
  max-width: 1280px; margin: 0 auto; padding: 14px 24px;
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: var(--primary); color: var(--primary-fg);
  display: grid; place-items: center; font-weight: 800; font-size: 13px;
}
.brand-text h1 { margin: 0; font-size: 16px; font-weight: 700; }
.brand-text span { font-size: 12px; color: var(--fg-muted); }
.top-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px; font-size: 13px; font-weight: 600;
  border: 1px solid var(--border); background: var(--bg-card); color: var(--fg);
  cursor: pointer; transition: all .15s;
}
.btn:hover { background: var(--bg-hover); text-decoration: none; }
.btn-light { background: transparent; }
.btn-primary { background: var(--primary); color: var(--primary-fg); border-color: var(--primary); }
.btn-primary:hover { filter: brightness(1.08); }

.theme-toggle {
  width: 36px; height: 36px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg-card);
  color: var(--fg); cursor: pointer; font-size: 16px;
}

.nav-cards {
  max-width: 1280px; margin: 16px auto 0; padding: 0 24px;
  display: flex; gap: 8px; flex-wrap: wrap;
}
.nav-link {
  padding: 8px 14px; border-radius: 8px; font-size: 13px; font-weight: 600;
  color: var(--fg-muted); background: transparent;
}
.nav-link:hover { background: var(--bg-hover); color: var(--fg); text-decoration: none; }
.nav-link.active { background: var(--primary); color: var(--primary-fg); }

.settings-wrap { max-width: 1280px; margin: 24px auto; padding: 0 24px 60px; }
.page-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; margin-bottom: 20px; }
.page-title h2 { margin: 0 0 4px; font-size: 22px; font-weight: 700; }
.page-title p { margin: 0; color: var(--fg-muted); font-size: 13px; }

.notice {
  padding: 12px 16px; border-radius: 10px; margin-bottom: 16px; font-size: 14px;
}
.notice.ok { background: color-mix(in srgb, var(--ok) 15%, transparent); color: var(--ok); border: 1px solid color-mix(in srgb, var(--ok) 30%, transparent); }
.notice.error { background: color-mix(in srgb, var(--err) 15%, transparent); color: var(--err); border: 1px solid color-mix(in srgb, var(--err) 30%, transparent); }

.settings-stack { display: flex; flex-direction: column; gap: 20px; }
.settings-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 14px;
  padding: 24px; box-shadow: var(--shadow); margin-bottom: 20px;
}
.settings-section-title { display: flex; gap: 14px; align-items: flex-start; margin-bottom: 20px; }
.settings-section-icon {
  width: 40px; height: 40px; border-radius: 10px;
  background: color-mix(in srgb, var(--primary) 15%, transparent);
  color: var(--primary); display: grid; place-items: center; font-weight: 800; font-size: 13px;
  flex-shrink: 0;
}
.settings-section-title h2 { margin: 0 0 2px; font-size: 16px; font-weight: 700; }
.card-subtitle { margin: 0; color: var(--fg-muted); font-size: 13px; }

.settings-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px;
}
.settings-full { grid-column: 1 / -1; }

.settings-label { display: block; margin: 0 0 6px; font-size: 13px; font-weight: 600; }
.settings-input, .settings-select, .settings-textarea {
  width: 100%; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--bg-input); color: var(--fg);
  font-family: inherit; font-size: 14px; outline: none;
}
.settings-textarea { min-height: 100px; resize: vertical; font-family: 'SF Mono', Consolas, monospace; font-size: 13px; }
.settings-input:focus, .settings-select:focus, .settings-textarea:focus { border-color: var(--primary); }
.settings-help { display: block; margin-top: 4px; font-size: 12px; color: var(--fg-muted); }

.toggle-row {
  display: flex; align-items: flex-start; gap: 10px; padding: 10px 0;
  cursor: pointer; user-select: none;
}
.toggle-row input[type=checkbox] {
  width: 18px; height: 18px; margin-top: 1px; accent-color: var(--primary);
}
.toggle-copy { display: flex; flex-direction: column; }
.toggle-copy strong { font-size: 13px; }
.toggle-copy small { font-size: 12px; color: var(--fg-muted); }

.grid-stats {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 14px; margin-bottom: 20px;
}
.stat-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 12px;
  padding: 16px; display: flex; flex-direction: column; gap: 4px;
}
.stat-card .stat-label { font-size: 12px; color: var(--fg-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .03em; }
.stat-card strong { font-size: 26px; font-weight: 800; }
.stat-card small { font-size: 12px; color: var(--fg-muted); }
.stat-card.ok strong { color: var(--ok); }
.stat-card.warn strong { color: var(--warn); }
.stat-card.info strong { color: var(--info); }

.card-grid-2 {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(360px, 1fr)); gap: 20px;
}

.table {
  width: 100%; border-collapse: collapse; font-size: 13px;
}
.table th {
  text-align: left; padding: 10px 12px; font-weight: 600; font-size: 12px;
  text-transform: uppercase; letter-spacing: .03em;
  color: var(--fg-muted); border-bottom: 1px solid var(--border);
}
.table td {
  padding: 10px 12px; border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.table tbody tr:hover { background: var(--bg-hover); }

.pill {
  display: inline-block; padding: 3px 8px; border-radius: 999px;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .03em;
  background: var(--bg-input); color: var(--fg-muted);
}
.pill.ok { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.pill.err { background: color-mix(in srgb, var(--err) 18%, transparent); color: var(--err); }
.pill.info { background: color-mix(in srgb, var(--info) 18%, transparent); color: var(--info); }

.actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.link {
  background: none; border: 0; padding: 0; cursor: pointer;
  color: var(--primary); font-size: 13px; font-weight: 600; font-family: inherit;
}
.link:hover { text-decoration: underline; }
.link.danger { color: var(--err); }

.chip-row { display: flex; gap: 8px; flex-wrap: wrap; }
.chip {
  padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: var(--bg-input); color: var(--fg-muted);
}
.chip:hover { background: var(--bg-hover); color: var(--fg); text-decoration: none; }
.chip.active { background: var(--primary); color: var(--primary-fg); }

.pager { display: flex; align-items: center; gap: 12px; margin-top: 16px; }

.bar-list { display: flex; flex-direction: column; gap: 8px; }
.bar-row { display: grid; grid-template-columns: 40px 1fr 50px; gap: 10px; align-items: center; }
.bar-label { font-weight: 700; font-size: 13px; }
.bar-track { height: 8px; background: var(--bg-input); border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; background: var(--primary); border-radius: 999px; }
.bar-val { font-size: 13px; text-align: right; font-weight: 600; }

.auth-wrap {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
  background: var(--bg);
}
.auth-card {
  width: 100%; max-width: 400px; padding: 32px;
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
}
.auth-card h1 { margin: 0 0 4px; font-size: 22px; text-align: center; }
.auth-sub { margin: 0 0 20px; text-align: center; color: var(--fg-muted); font-size: 13px; }

.footer-note {
  text-align: center; font-size: 12px; color: var(--fg-muted);
  padding: 20px; border-top: 1px solid var(--border); margin-top: 40px;
}