:root {
  --accent: #2dd4bf;
  --accent-dark: #14b8a6;
  --bs-primary: #2dd4bf;
  --bs-primary-rgb: 45, 212, 191;
  --bs-link-color: var(--accent);
  --bs-link-hover-color: var(--accent-dark);
}

[data-bs-theme="dark"] {
  --bs-body-bg: #0f172a;
  --bs-body-color: #e2e8f0;
  --bs-tertiary-bg: #1e293b;
  --bs-border-color: #334155;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.app-shell { min-height: 100vh; }

.sidebar {
  width: 230px;
  flex-shrink: 0;
  background: #0b1320;
  border-right: 1px solid var(--bs-border-color);
  min-height: 100vh;
}

.sidebar .brand {
  padding: 1.1rem 1.25rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--accent);
  letter-spacing: .02em;
  border-bottom: 1px solid var(--bs-border-color);
}

.sidebar .nav-link {
  color: #94a3b8;
  padding: .6rem 1rem;
  margin: .15rem .6rem;
  border-radius: .5rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  font-size: .92rem;
}

.sidebar .nav-link i { font-size: 1rem; width: 1.1rem; text-align: center; }

.sidebar .nav-link:hover {
  background: rgba(45, 212, 191, 0.08);
  color: #e2e8f0;
}

.sidebar .nav-link.active {
  background: rgba(45, 212, 191, 0.14);
  color: var(--accent);
  font-weight: 600;
}

.topbar {
  border-bottom: 1px solid var(--bs-border-color);
  padding: .9rem 1.5rem;
}

.main-content { flex: 1 1 auto; min-width: 0; }

.card {
  background: var(--bs-tertiary-bg);
  border: 1px solid var(--bs-border-color);
  border-radius: .65rem;
}

.card .card-title { color: #f1f5f9; }

.table {
  --bs-table-bg: var(--bs-tertiary-bg);
  border-radius: .5rem;
  overflow: hidden;
}

.btn-success { background-color: var(--accent-dark); border-color: var(--accent-dark); color: #06231f; }
.btn-success:hover { background-color: var(--accent); border-color: var(--accent); color: #06231f; }

.btn-primary { background-color: var(--accent); border-color: var(--accent); color: #06231f; }
.btn-primary:hover { background-color: var(--accent-dark); border-color: var(--accent-dark); color: #06231f; }

.btn-outline-primary { color: var(--accent); border-color: var(--accent); }
.btn-outline-primary:hover { background-color: var(--accent); color: #06231f; }

.badge.bg-secondary { background-color: #475569 !important; }

.stat-card .fs-3, .stat-card .fs-4 { color: var(--accent); font-weight: 700; }

@media (max-width: 767.98px) {
  .sidebar { position: fixed; left: 0; top: 0; z-index: 1045; transform: translateX(-100%); transition: transform .2s ease; }
  .sidebar.show { transform: translateX(0); }
}