:root {
  --bg: #0f172a;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --text: #111827;
  --muted: #64748b;
  --line: #e2e8f0;
  --primary: #4f46e5;
  --primary-dark: #3730a3;
  --danger: #dc2626;
  --ok: #15803d;
  --warn: #d97706;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #f1f5f9; color: var(--text); }
a { color: var(--primary); text-decoration: none; }
.layout { min-height: 100vh; display: flex; }
.sidebar { width: 280px; background: var(--bg); color: #fff; padding: 24px; position: fixed; left: 0; top: 0; bottom: 0; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
.brand-mark { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; background: linear-gradient(135deg, #818cf8, #06b6d4); color: #fff; font-weight: 800; }
.brand-title { font-weight: 800; font-size: 18px; }
.brand-subtitle { color: #cbd5e1; font-size: 12px; }
.sidebar nav { display: grid; gap: 6px; }
.sidebar nav a { color: #dbeafe; padding: 11px 12px; border-radius: 10px; }
.sidebar nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.logout-form { margin-top: 24px; }
.logout-form button { width: 100%; background: rgba(255,255,255,.08); color: #fff; border: 1px solid rgba(255,255,255,.18); }
.content { flex: 1; margin-left: 280px; padding: 28px; }
.content-full { margin-left: 0; display: grid; place-items: center; }
.topbar { background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 14px 18px; margin-bottom: 24px; display: flex; justify-content: space-between; align-items: center; }
h1 { margin: 0 0 8px; font-size: 30px; }
h2 { margin: 0 0 16px; font-size: 20px; }
.lead { color: var(--muted); margin-top: 0; margin-bottom: 22px; }
.muted { color: var(--muted); font-size: 13px; }
.badge { background: #eef2ff; color: #3730a3; border-radius: 999px; padding: 7px 12px; font-size: 13px; }
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin: 22px 0; }
.card, .panel, .login-card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 8px 24px rgba(15,23,42,.05); }
.card { padding: 18px; }
.card span { display: block; color: var(--muted); font-size: 13px; margin-bottom: 6px; }
.card strong { font-size: 24px; }
.panel { padding: 20px; margin-bottom: 18px; overflow-x: auto; }
.warning { background: #fffbeb; border-color: #fed7aa; }
.grid-two { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 11px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: #475569; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
input, select, textarea { width: 100%; border: 1px solid #cbd5e1; border-radius: 10px; padding: 10px 11px; font: inherit; background: #fff; }
textarea { min-height: 95px; resize: vertical; }
label { display: grid; gap: 6px; color: #334155; font-size: 13px; }
button, .button { border: none; border-radius: 10px; background: var(--primary); color: #fff; padding: 10px 14px; cursor: pointer; font-weight: 700; display: inline-block; }
button:hover, .button:hover { background: var(--primary-dark); }
button.primary { background: var(--primary); }
.form-grid { display: grid; grid-template-columns: 1fr; gap: 14px; align-items: end; }
.form-grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.wide { grid-column: 1 / -1; }
.checkbox { display: flex; align-items: center; gap: 8px; }
.checkbox input { width: auto; }
.inline-form { display: flex; gap: 12px; align-items: center; }
.inline-form select, .inline-form input { max-width: 260px; }
.status { display: inline-block; border-radius: 999px; padding: 4px 9px; font-size: 12px; background: #e2e8f0; color: #334155; }
.status.active, .status.connected { background: #dcfce7; color: #166534; }
.status.error, .status.suspended { background: #fee2e2; color: #991b1b; }
.status.trial { background: #fef3c7; color: #92400e; }
.status.disabled, .status.not_connected { background: #e5e7eb; color: #374151; }
.alert { padding: 12px 14px; border-radius: 12px; margin: 14px 0; }
.alert-error { background: #fee2e2; color: #991b1b; }
.alert-ok { background: #dcfce7; color: #166534; }
.login-card { width: min(460px, 92vw); padding: 28px; }
.login-brand { margin-bottom: 18px; color: var(--text); }
.login-brand .brand-subtitle { color: var(--muted); }
.hint { color: var(--muted); font-size: 13px; line-height: 1.5; margin-top: 14px; }
code { background: #f1f5f9; border: 1px solid #e2e8f0; border-radius: 7px; padding: 2px 6px; color: #0f172a; }
@media (max-width: 1100px) {
  .sidebar { position: static; width: 100%; }
  .layout { display: block; }
  .content { margin-left: 0; padding: 18px; }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-two, .form-grid.cols-2, .form-grid.cols-3, .form-grid.cols-4 { grid-template-columns: 1fr; }
}
@media (max-width: 680px) { .cards { grid-template-columns: 1fr; } }