:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --panel-2: #eef2ff;
  --text: #0f172a;
  --muted: #64748b;
  --border: rgba(15, 23, 42, 0.08);
  --primary: #4f46e5;
  --primary-2: #6366f1;
  --danger: #dc2626;
  --success: #16a34a;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

html[data-theme="dark"] {
  --bg: #0b1220;
  --panel: #111827;
  --panel-2: #172033;
  --text: #e5eefb;
  --muted: #94a3b8;
  --border: rgba(148, 163, 184, 0.16);
  --primary: #818cf8;
  --primary-2: #6366f1;
  --danger: #f87171;
  --success: #4ade80;
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

body.app-shell,
body.auth-shell {
  background: radial-gradient(circle at top left, rgba(99,102,241,0.12), transparent 35%), var(--bg);
  color: var(--text);
}

.sidebar,
.topbar,
.card,
.auth-card {
  background: var(--panel);
  color: var(--text);
}

.sidebar {
  border-right: 1px solid var(--border);
  min-height: 100vh;
}

.topbar {
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.main-panel {
  background: transparent;
}

.card,
.auth-card {
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.nav-link {
  display: block;
  padding: 0.85rem 1rem;
  border-radius: 16px;
  color: var(--text);
  text-decoration: none;
  transition: 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
  background: var(--panel-2);
  color: var(--primary);
}

.muted { color: var(--muted); }
.link { color: var(--primary); }
.label { display:block; margin-bottom:0.45rem; font-weight:600; }

.input {
  width: 100%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  border-radius: 16px;
  padding: 0.85rem 1rem;
}

.input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.12);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
  border: 0;
  border-radius: 16px;
  padding: 0.8rem 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary { background: linear-gradient(135deg, var(--primary), var(--primary-2)); color: white; }
.btn-secondary { background: var(--panel-2); color: var(--text); }
.btn-danger { background: var(--danger); color: white; }

.alert {
  border-radius: 18px;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
}
.alert-success { background: rgba(34, 197, 94, 0.12); color: var(--success); }
.alert-error { background: rgba(239, 68, 68, 0.12); color: var(--danger); }

.table-ui {
  width: 100%;
  border-collapse: collapse;
}
.table-ui th,
.table-ui td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
}
.table-ui th { color: var(--muted); font-size: 0.82rem; text-transform: uppercase; letter-spacing: .04em; }

.code-block {
  white-space: pre-wrap;
  word-break: break-word;
  background: rgba(2, 6, 23, 0.9);
  color: #dbeafe;
  border-radius: 16px;
  padding: 1rem;
  overflow: auto;
}

.badge-role {
  background: var(--panel-2);
  color: var(--primary);
}