:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-hover: #22263a;
  --border: #2a2e3e;
  --text: #e4e4e7;
  --text-dim: #71717a;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --green: #22c55e;
  --yellow: #eab308;
  --red: #ef4444;
  --orange: #f97316;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

header h1 { font-size: 1.25rem; font-weight: 600; }
header .subtitle { color: var(--text-dim); font-size: 0.85rem; }

/* Tabs */
.tabs {
  display: flex;
  gap: 0.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.tab {
  padding: 0.6rem 1.2rem;
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.9rem;
  border-bottom: 2px solid transparent;
  transition: all 0.15s;
}

.tab:hover { color: var(--text); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }

/* Cards */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  padding: 1rem;
}

.stat-card .label { color: var(--text-dim); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; }
.stat-card .value { font-size: 1.5rem; font-weight: 700; margin-top: 0.25rem; }

/* Table */
table { width: 100%; border-collapse: collapse; }
th { text-align: left; color: var(--text-dim); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); }
td { padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--border); font-size: 0.875rem; }
tr:hover { background: var(--surface-hover); }

/* Badges */
.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-success { background: #16532d; color: var(--green); }
.badge-fallback { background: #422006; color: var(--orange); }
.badge-error { background: #450a0a; color: var(--red); }

/* Quota bar */
.quota-bar {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}

.quota-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s;
}

/* Forms */
.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.form-group { display: flex; flex-direction: column; gap: 0.25rem; }
.form-group label { font-size: 0.8rem; color: var(--text-dim); }

input, select, textarea {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  padding: 0.5rem 0.75rem;
  color: var(--text);
  font-size: 0.875rem;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
}

textarea { resize: vertical; min-height: 60px; }

/* Buttons */
.btn {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 0.375rem;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  transition: all 0.15s;
}

.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.75rem; }
.btn-danger { background: var(--red); color: white; }
.btn-ghost { background: transparent; color: var(--text-dim); border: 1px solid var(--border); }
.btn-ghost:hover { color: var(--text); border-color: var(--text-dim); }

/* Section */
.section { background: var(--surface); border: 1px solid var(--border); border-radius: 0.5rem; padding: 1.25rem; margin-bottom: 1.25rem; }
.section-title { font-size: 0.95rem; font-weight: 600; margin-bottom: 1rem; }

/* Utility */
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }
.mt-3 { margin-top: 0.75rem; }
.text-dim { color: var(--text-dim); }
.text-sm { font-size: 0.8rem; }
.hidden { display: none; }