/* ──── Reset & Base ──── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg: #0f1117;
  --surface: #1a1d27;
  --surface-hover: #22252f;
  --border: #2e3140;
  --text: #e4e6eb;
  --text-muted: #8b8fa3;
  --primary: #6366f1;
  --primary-hover: #818cf8;
  --success: #22c55e;
  --error: #ef4444;
  --warning: #f59e0b;
  --radius: 8px;
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* ──── Layout ──── */
.container {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px;
}

.container-wide {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 20px;
}

/* ──── Header ──── */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

.header h1 {
  font-size: 1.5rem;
  font-weight: 600;
}

/* ──── Cards ──── */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 16px;
}

.card h2 { font-size: 1.1rem; margin-bottom: 8px; }
.card p { color: var(--text-muted); font-size: 0.9rem; }

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.card-link {
  display: block;
  transition: border-color 0.15s;
}
.card-link:hover { border-color: var(--primary); }

/* ──── Forms ──── */
.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 6px;
  color: var(--text-muted);
}

.form-row {
  display: flex;
  gap: 12px;
  align-items: flex-end;
}

.form-row .form-group { flex: 1; margin-bottom: 0; }

input, select {
  width: 100%;
  padding: 10px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  font-size: 0.9rem;
  font-family: var(--font);
  outline: none;
  transition: border-color 0.15s;
}

input:focus, select:focus { border-color: var(--primary); }

/* ──── Buttons ──── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  border: none;
  border-radius: var(--radius);
  font-size: 0.9rem;
  font-family: var(--font);
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }

.btn-danger { background: var(--error); color: #fff; }
.btn-danger:hover { background: #dc2626; }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--surface-hover); color: var(--text); }

.btn-sm { padding: 6px 12px; font-size: 0.8rem; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ──── Messages ──── */
.msg {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 0.9rem;
  margin-bottom: 16px;
  display: none;
}

.msg.show { display: block; }
.msg-error { background: #ef44441a; border: 1px solid #ef444440; color: var(--error); }
.msg-success { background: #22c55e1a; border: 1px solid #22c55e40; color: var(--success); }

/* ──── Config Blocks ──── */
.config-block {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
}

.config-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: var(--surface-hover);
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
  font-weight: 500;
}

.config-body {
  padding: 14px;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-all;
  color: var(--text-muted);
}

.btn-copy { padding: 4px 10px; font-size: 0.75rem; }
.btn-copy.copied { color: var(--success); border-color: var(--success); }

/* ──── Table ──── */
.table-wrap {
  overflow-x: auto;
  margin-bottom: 16px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

th, td {
  text-align: left;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

td { color: var(--text); }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
}

.badge-pending { background: #f59e0b1a; color: var(--warning); }
.badge-active { background: #22c55e1a; color: var(--success); }

/* ──── Loading ──── */
.spinner {
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ──── Utilities ──── */
.hidden { display: none !important; }
.text-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-8 { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }

/* ──── Responsive ──── */
@media (max-width: 600px) {
  .form-row { flex-direction: column; }
  .container, .container-wide { padding: 24px 16px; }
  .header h1 { font-size: 1.2rem; }
}