:root {
  color-scheme: light dark;
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4d;
  --text: #e7ecf3;
  --muted: #9aa8bc;
  --accent: #3b82f6;
  --accent-2: #22c55e;
  --danger: #ef4444;
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6f9;
    --surface: #ffffff;
    --border: #d8dee8;
    --text: #152033;
    --muted: #5b6b80;
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1e3a5f55, transparent),
    radial-gradient(900px 500px at 100% 0%, #14532d33, transparent),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.app {
  max-width: 920px;
  margin: 0 auto;
  padding: 1.25rem 1rem 3rem;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

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

.brand h1 {
  margin: 0;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}

.logo {
  font-size: 1.75rem;
  line-height: 1;
}

.tagline {
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.nav {
  display: flex;
  gap: 1rem;
  font-size: 0.95rem;
}

.card {
  background: color-mix(in srgb, var(--surface) 92%, transparent);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1rem;
  backdrop-filter: blur(8px);
}

.hero h2 {
  margin: 0 0 0.5rem;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
}

.hero p {
  margin: 0 0 1rem;
  color: var(--muted);
  max-width: 52ch;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-weight: 600;
  font-size: 0.92rem;
  text-decoration: none;
  cursor: pointer;
}

.btn:hover {
  text-decoration: none;
  border-color: var(--accent);
}

.btn.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.btn.ghost {
  background: transparent;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.grid .card {
  margin: 0;
}

.grid h3 {
  margin: 0 0 0.4rem;
  font-size: 1rem;
}

.grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.status .ok {
  color: var(--accent-2);
  font-weight: 600;
}

.status .bad {
  color: var(--danger);
  font-weight: 600;
}

.code {
  margin: 0.75rem 0 0;
  padding: 0.75rem;
  overflow: auto;
  font-family: var(--mono);
  font-size: 0.78rem;
  background: color-mix(in srgb, var(--bg) 70%, #000);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.form {
  display: grid;
  gap: 0.85rem;
  max-width: 360px;
}

label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.9rem;
  color: var(--muted);
}

input {
  padding: 0.6rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

input:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent);
  border-color: var(--accent);
}

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

.msg {
  padding: 0.65rem 0.8rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 0.9rem;
}

.msg.error {
  border-color: color-mix(in srgb, var(--danger) 50%, var(--border));
  color: var(--danger);
}

.msg.info {
  border-color: color-mix(in srgb, var(--accent) 40%, var(--border));
}

footer {
  margin-top: 2rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  color: var(--muted);
  font-size: 0.82rem;
}

code {
  font-family: var(--mono);
  font-size: 0.88em;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: end;
  margin-bottom: 0.75rem;
}

.row.capture {
  align-items: stretch;
}

.grow {
  flex: 1 1 160px;
}

select,
.row input {
  width: 100%;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

.item-list {
  display: grid;
  gap: 0.4rem;
}

.item-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  align-items: center;
  width: 100%;
  text-align: left;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  color: var(--text);
  cursor: pointer;
  font: inherit;
}

.item-row:hover {
  border-color: var(--accent);
}

.badge {
  font-size: 0.72rem;
  padding: 0.12rem 0.4rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
}

.muted {
  color: var(--muted);
  font-size: 0.85rem;
  margin-left: auto;
}

.md-body {
  white-space: pre-wrap;
  line-height: 1.55;
}

.md-body code {
  background: color-mix(in srgb, var(--bg) 70%, #000);
  padding: 0.1rem 0.3rem;
  border-radius: 4px;
}