:root {
  color-scheme: light dark;
  --bg: #f6f7f9;
  --panel: #ffffff;
  --border: #e2e5ea;
  --muted: #6b7280;
  --text: #111827;
  --accent: #2563eb;
  --accent-text: #ffffff;
  --danger: #dc2626;
  --ok-bg: #dcfce7;
  --ok-text: #166534;
  --err-bg: #fee2e2;
  --err-text: #991b1b;
  --badge-bg: #eef2ff;
  --badge-text: #3730a3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --panel: #171a21;
    --border: #262b34;
    --muted: #9aa4b2;
    --text: #e5e7eb;
    --accent: #3b82f6;
    --danger: #f87171;
    --ok-bg: #14351f;
    --ok-text: #86efac;
    --err-bg: #3b1717;
    --err-text: #fca5a5;
    --badge-bg: #1e2540;
    --badge-text: #c7d2fe;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

header {
  display: flex; align-items: center; gap: 1rem;
  padding: 0.75rem 1.25rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 10;
}
header .brand { font-weight: 700; font-size: 1.1rem; }
header .spacer { flex: 1; }
header .who { color: var(--muted); font-size: 0.9rem; }

nav.tabs { display: flex; gap: 0.25rem; padding: 0.75rem 1.25rem 0; }
nav.tabs button {
  background: transparent; border: 1px solid transparent; border-bottom: none;
  color: var(--muted); padding: 0.5rem 0.9rem; border-radius: 0.5rem 0.5rem 0 0;
  cursor: pointer; font: inherit;
}
nav.tabs button.active { color: var(--text); background: var(--panel); border-color: var(--border); }

main { max-width: 60rem; margin: 0 auto; padding: 1.25rem; }

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 0.75rem; padding: 1.1rem 1.25rem; margin-bottom: 1.1rem;
}
.panel h2 { margin: 0 0 0.75rem; font-size: 1.05rem; }
.panel h3 { margin: 1.1rem 0 0.5rem; font-size: 0.95rem; color: var(--muted); }

.row { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: end; }
.field { display: flex; flex-direction: column; gap: 0.25rem; flex: 1; min-width: 8rem; }
.field label { font-size: 0.8rem; color: var(--muted); }

input, select, textarea {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 0.45rem; padding: 0.5rem 0.6rem;
  width: 100%;
}
textarea { min-height: 4rem; resize: vertical; }

button.btn {
  font: inherit; cursor: pointer; border: 0; border-radius: 0.5rem;
  padding: 0.55rem 1rem; background: var(--accent); color: var(--accent-text);
  white-space: nowrap;
}
button.btn.secondary { background: transparent; color: var(--accent); border: 1px solid var(--border); }
button.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--border); }
button.btn:disabled { opacity: 0.5; cursor: default; }
button.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: none; }

.badge {
  display: inline-block; font-size: 0.72rem; font-weight: 600;
  padding: 0.12rem 0.5rem; border-radius: 999px;
  background: var(--badge-bg); color: var(--badge-text);
}

.card {
  border: 1px solid var(--border); border-radius: 0.6rem; padding: 0.8rem 0.9rem;
  cursor: pointer; background: var(--bg);
}
.card:hover { border-color: var(--accent); }
.card h4 { margin: 0 0 0.2rem; }
.card .meta { color: var(--muted); font-size: 0.82rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); gap: 0.75rem; }

.muted { color: var(--muted); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.85rem; word-break: break-all; }

#toast {
  position: fixed; bottom: 1.25rem; left: 50%; transform: translateX(-50%);
  padding: 0.7rem 1.1rem; border-radius: 0.6rem; display: none; max-width: 90%;
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}
#toast.show { display: block; }
#toast.ok { background: var(--ok-bg); color: var(--ok-text); }
#toast.err { background: var(--err-bg); color: var(--err-text); }

.login-wrap { max-width: 24rem; margin: 5rem auto; }
.hidden { display: none !important; }
.inline-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.back { margin-bottom: 0.75rem; }