:root {
  --bg: #0f1115;
  --panel: #171a21;
  --border: #2a2e38;
  --text: #e6e8eb;
  --muted: #9aa1ac;
  --accent: #4f8cff;
  --danger: #ff5d5d;
  --ok: #3ddc84;
}

* { box-sizing: border-box; }

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

.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 16px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 16px;
}

h1, h2, h3 { margin-top: 0; }

label {
  display: block;
  margin: 12px 0 4px;
  color: var(--muted);
  font-size: 13px;
}

input[type="text"], input[type="password"], input[type="email"], input[type="number"] {
  width: 100%;
  padding: 10px 12px;
  background: #0d0f13;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 10px 16px;
  font-size: 14px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
}

button.secondary { background: #2a2e38; }
button.danger { background: var(--danger); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.spread { display: flex; justify-content: space-between; align-items: center; }

.muted { color: var(--muted); font-size: 13px; }
.error { color: var(--danger); font-size: 13px; margin-top: 8px; }
.ok { color: var(--ok); font-size: 13px; margin-top: 8px; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 12px;
}
.badge.green { background: rgba(61,220,132,.15); color: var(--ok); }
.badge.red { background: rgba(255,93,93,.15); color: var(--danger); }

a { color: var(--accent); }

.top-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
}