:root {
  --ras-bg: #0f172a;
  --ras-content-bg: #f5f7fb;
  --ras-surface: #ffffff;
  --ras-surface-2: #fbfcfe;
  --ras-border: #e6eaf2;
  --ras-text: #1f2a37;
  --ras-muted: #6b7280;

  --ras-primary: #3b82f6;

  --ras-sidebar-bg: #020617;
  --ras-sidebar-text: #e5e7eb;
  --ras-sidebar-muted: #64748b;
  --ras-sidebar-active: #0ea5e9;

  --ras-radius: 14px;
  --ras-radius-sm: 10px;
  --ras-shadow: 0 6px 18px rgba(16, 24, 40, 0.08);
  --ras-font: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text", sans-serif;
}

body {
  background-color: #e5e7eb;
  color: var(--ras-text);
  font-family: var(--ras-font);
}

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

a:hover {
  color: #60a5fa;
  text-decoration: underline;
}

hr {
  border-top-color: rgba(148, 163, 184, 0.3);
}

small,
.small,
.text-muted {
  color: var(--ras-muted) !important;
}

.card {
  background: var(--ras-surface);
  border-radius: var(--ras-radius);
  border: 1px solid var(--ras-border);
  box-shadow: var(--ras-shadow);
  overflow: hidden;
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--ras-border);
  font-weight: 600;
}

.card-body {
  background: transparent;
}

.ras-sidebar {
  background: radial-gradient(circle at top, #0b1120 0, #020617 40%, #000 100%);
  border-right: 1px solid rgba(15, 23, 42, 0.9);
  box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.9), 12px 0 40px rgba(0, 0, 0, 0.85);
}

.ras-sidebar .navbar-brand {
  font-weight: 600;
  letter-spacing: 0.08em;
}

.ras-sidebar .nav-link {
  color: var(--ras-sidebar-muted);
  padding: 0.4rem 1.25rem;
  border-radius: var(--ras-radius-sm);
  margin: 0.15rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9rem;
  white-space: nowrap;
}

.ras-sidebar .nav-link:hover {
  background: rgba(148, 163, 184, 0.15);
  color: var(--ras-sidebar-text);
}

.ras-sidebar .nav-link.active,
.ras-sidebar .dropdown-menu-dark .dropdown-item.active {
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.18), rgba(59, 130, 246, 0.25));
  color: #e5e7eb;
  box-shadow: inset 0 0 0 1px rgba(56, 189, 248, 0.4);
}

.ras-sidebar .dropdown-menu-dark {
  background: #020617;
  border-radius: var(--ras-radius-sm);
  border: 1px solid rgba(30, 64, 175, 0.6);
  box-shadow: var(--ras-shadow);
}

.ras-sidebar .dropdown-item {
  font-size: 0.88rem;
  padding: 0.45rem 0.9rem;
  white-space: nowrap;
}

.ras-content {
  background: var(--ras-content-bg);
  min-height: 100vh;
  padding: 22px 26px;
}

.form-control,
.form-select {
  border-radius: var(--ras-radius-sm);
  border: 1px solid var(--ras-border);
  background-color: #ffffff;
  color: var(--ras-text);
}

.form-control:focus,
.form-select:focus {
  border-color: #2f6fed;
  box-shadow: 0 0 0 1px rgba(47, 111, 237, 0.6), 0 0 0 4px rgba(47, 111, 237, 0.2);
  background-color: #ffffff;
  color: var(--ras-text);
}

.form-control::placeholder {
  color: var(--ras-muted);
}

.badge {
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-weight: 500;
}

.table {
  color: var(--ras-text);
}

.table thead th {
  border-bottom: 1px solid var(--ras-border);
  color: #667085;
  font-size: 0.85rem;
  font-weight: 600;
}

.table tbody tr:hover {
  background: #f8fafc;
}

.table td,
.table th {
  vertical-align: middle;
}

.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter {
  color: var(--ras-muted);
}

.dataTables_wrapper .dataTables_filter input {
  border-radius: 12px;
  border: 1px solid var(--ras-border);
  background-color: #ffffff;
  color: var(--ras-text);
  padding: 8px 10px;
}

.dataTables_wrapper .dataTables_length select {
  border-radius: 12px;
  border: 1px solid var(--ras-border);
  background-color: #ffffff;
  color: var(--ras-text);
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
  border-radius: 999px !important;
  border: 1px solid transparent !important;
  padding: 0.15rem 0.6rem;
  margin: 0 1px;
  color: var(--ras-muted) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
  background: linear-gradient(135deg, #3b82f6, #0ea5e9) !important;
  border-color: transparent !important;
  color: #e5e7eb !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: rgba(15, 23, 42, 0.9) !important;
  border-color: rgba(148, 163, 184, 0.4) !important;
}