:root {
  --bg: #0f1419;
  --surface: #1a2332;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --success: #22c55e;
  --error: #ef4444;
  --warning: #f59e0b;
  --radius: 8px;
}

* { box-sizing: border-box; }

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

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

.header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding-top: 1rem;
  padding-bottom: 1rem;
}

.logo {
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  font-size: 1.1rem;
}

.nav { display: flex; gap: 1rem; flex: 1; }
.nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; }
.nav a:hover { color: var(--text); }

.user-menu {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--muted);
}

h1 { font-size: 1.75rem; margin-top: 0; }
h2 { font-size: 1.15rem; margin-top: 0; }

.muted { color: var(--muted); }
.hint { display: block; font-size: 0.8rem; color: var(--muted); margin-top: 0.25rem; }

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

.form label {
  display: block;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.form input, .form select, .form textarea {
  display: block;
  width: 100%;
  margin-top: 0.35rem;
  padding: 0.6rem 0.75rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.95rem;
}

.btn {
  display: inline-block;
  padding: 0.55rem 1rem;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  font-size: 0.9rem;
  text-decoration: none;
  color: var(--text);
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-secondary { background: var(--border); }
.btn-ghost { background: transparent; color: var(--muted); padding: 0.25rem 0.5rem; }

.inline-form { display: inline; }

.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: 0.9rem;
}

.alert-error { background: rgba(239, 68, 68, 0.15); border: 1px solid var(--error); }
.alert-success { background: rgba(34, 197, 94, 0.15); border: 1px solid var(--success); }
.alert-warning { background: rgba(245, 158, 11, 0.15); border: 1px solid var(--warning); }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
  text-align: center;
}

.stat-card.highlight { border-color: var(--primary); }
.stat-value { font-size: 2rem; font-weight: 700; }
.stat-label { font-size: 0.85rem; color: var(--muted); }

.section { margin-top: 2rem; }
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.table th, .table td {
  text-align: left;
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

.table th { color: var(--muted); font-weight: 500; }

code {
  background: var(--bg);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  font-size: 0.85em;
}

.break-all { word-break: break-all; }

.auth-card {
  max-width: 400px;
  margin: 3rem auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
}

.code-block {
  background: var(--bg);
  padding: 1rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.8rem;
  white-space: pre-wrap;
  word-break: break-all;
}

.result-card { margin-top: 1.5rem; }

.inline-quota { display: flex; align-items: flex-end; gap: 1rem; flex-wrap: wrap; }
.inline-quota label { margin-bottom: 0; flex: 1; min-width: 120px; }