:root {
  color-scheme: dark;
  --bg: #0f1115;
  --surface: #171a21;
  --surface-2: #1e222b;
  --line: #2a2f3a;
  --text: #e4e6eb;
  --muted: #9aa1ae;
  --accent: #5b8cff;
  --red: #ef4444;
  --green: #22c55e;
  --amber: #eab308;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
}

nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  padding: 0.75rem 1.5rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

nav .brand { font-weight: 700; margin-right: 0.5rem; }
nav a { color: var(--muted); text-decoration: none; }
nav a:hover { color: var(--text); }
.logout-form { margin-left: auto; }
.logout-form button {
  background: none; border: 1px solid var(--line); color: var(--muted);
  border-radius: 6px; padding: 0.3rem 0.7rem; cursor: pointer;
}

main { max-width: 960px; margin: 0 auto; padding: 1.5rem; }

h1 { font-size: 1.3rem; margin-top: 0; }
h2 { font-size: 1rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }

input[type=text], input[type=password], input[type=date], input[type=datetime-local], select, textarea {
  background: var(--surface-2); color: var(--text); border: 1px solid var(--line);
  border-radius: 6px; padding: 0.45rem 0.6rem; font-size: 0.9rem; width: 100%;
}

button, .btn {
  background: var(--accent); color: white; border: none; border-radius: 6px;
  padding: 0.5rem 1rem; font-size: 0.9rem; cursor: pointer; text-decoration: none;
  display: inline-block;
}
button.secondary, .btn.secondary { background: var(--surface-2); border: 1px solid var(--line); color: var(--text); }
button.danger, .btn.danger { background: var(--red); }

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 0.75rem; }
.stat { background: var(--surface-2); border-radius: 8px; padding: 0.75rem 1rem; }
.stat .value { font-size: 1.4rem; font-weight: 700; }
.stat .label { color: var(--muted); font-size: 0.8rem; }

.badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px; font-size: 0.75rem; }
.badge.pending { background: rgba(234,179,8,0.15); color: var(--amber); }
.badge.running { background: rgba(91,140,255,0.15); color: var(--accent); }
.badge.completed { background: rgba(34,197,94,0.15); color: var(--green); }
.badge.failed, .badge.cancelled { background: rgba(239,68,68,0.15); color: var(--red); }

.login-box { max-width: 320px; margin: 4rem auto; }
.field { margin-bottom: 0.9rem; }
.field label { display: block; margin-bottom: 0.3rem; color: var(--muted); font-size: 0.85rem; }
.error { color: var(--red); margin-bottom: 0.75rem; }
.muted { color: var(--muted); }
.row { display: flex; gap: 0.75rem; align-items: end; }
.row > * { flex: 1; }

.guild-group {
  border: 1px solid var(--line);
  border-radius: 8px;
  margin-bottom: 0.6rem;
  overflow: hidden;
}
.guild-group summary {
  cursor: pointer;
  padding: 0.6rem 0.9rem;
  background: var(--surface-2);
  font-weight: 600;
  display: flex;
  align-items: center;
  list-style: none;
}
.guild-group summary::-webkit-details-marker { display: none; }
.guild-group summary::before {
  content: "▸";
  margin-right: 0.5rem;
  color: var(--muted);
  transition: transform 0.15s;
}
.guild-group[open] summary::before { transform: rotate(90deg); }
.guild-group .guild-count { margin-left: 0.5rem; font-weight: 400; }
.guild-group table { margin: 0; }
.guild-group td { padding: 0.4rem 0.9rem; border-bottom: 1px solid var(--line); }
.guild-group tr:last-child td { border-bottom: none; }