:root {
  --tka-blue: #1455d9;
  --tka-blue-dark: #102a5f;
  --tka-green: #16a163;
  --tka-amber: #f5a524;
  --tka-red: #dc3545;
  --tka-ink: #172033;
  --tka-muted: #6b768a;
  --tka-line: #e4eaf3;
  --tka-soft: #f4f7fb;
}

body {
  background: var(--tka-soft);
  color: var(--tka-ink);
  font-family: "Inter", "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

.auth-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #eaf2ff, #f7fbff 45%, #eefaf5);
}

.auth-card,
.panel,
.stat-card,
.filter-panel {
  background: #fff;
  border: 1px solid var(--tka-line);
  border-radius: 8px;
  box-shadow: 0 18px 45px rgba(23, 32, 51, 0.08);
}

.app-shell {
  display: grid;
  grid-template-columns: 292px minmax(0, 1fr);
  min-height: 100vh;
}

.sidebar {
  background: linear-gradient(180deg, #102a5f 0%, #123978 100%);
  color: #fff;
  min-height: 100vh;
  overflow-y: auto;
  padding: 20px 18px;
}

.brand-block {
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.13);
  display: flex;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 18px;
}

.brand-mark {
  align-items: center;
  background: #fff;
  border-radius: 8px;
  color: var(--tka-blue);
  display: flex;
  font-weight: 800;
  height: 44px;
  justify-content: center;
  width: 44px;
}

.brand-block h5 {
  font-size: 17px;
  line-height: 1.2;
  margin: 0;
}

.brand-block span,
.nav-title {
  color: #b8c8e6;
  font-size: 12px;
}

.nav-title {
  font-weight: 700;
  margin: 18px 8px 8px;
  text-transform: uppercase;
}

.nav-menu a {
  align-items: center;
  color: #dce8ff;
  border-radius: 8px;
  display: flex;
  gap: 10px;
  margin: 4px 0;
  padding: 10px 12px;
  text-decoration: none;
}

.nav-menu a:hover,
.nav-menu a.active {
  background: rgba(255, 255, 255, 0.13);
  color: #fff;
}

.nav-menu i {
  font-size: 17px;
  width: 20px;
}

.content {
  min-width: 0;
  padding: 24px;
}

.topbar {
  align-items: center;
  background: #fff;
  border: 1px solid var(--tka-line);
  border-radius: 8px;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  margin-bottom: 18px;
  padding: 15px 18px;
}

.topbar h1 {
  font-size: 22px;
  margin: 3px 0 0;
}

.breadcrumb-line {
  align-items: center;
  color: var(--tka-muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 13px;
  gap: 7px;
}

.breadcrumb-line a {
  color: var(--tka-blue);
  text-decoration: none;
}

.user-pill {
  align-items: center;
  border: 1px solid var(--tka-line);
  border-radius: 8px;
  display: grid;
  grid-template-columns: 1fr auto;
  line-height: 1.2;
  min-width: 230px;
  padding: 9px 10px 9px 12px;
}

.user-pill span {
  color: var(--tka-muted);
  font-size: 12px;
}

.user-pill strong {
  grid-column: 1;
}

.user-pill a {
  color: var(--tka-red);
  grid-column: 2;
  grid-row: 1 / span 2;
  text-decoration: none;
}

.stat-card {
  min-height: 118px;
  padding: 18px;
}

.stat-card span {
  color: var(--tka-muted);
  font-size: 13px;
}

.stat-card strong {
  color: var(--tka-blue);
  display: block;
  font-size: 30px;
  margin-top: 8px;
}

.section-title {
  align-items: center;
  border-bottom: 1px solid var(--tka-line);
  display: flex;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
}

.section-title h2 {
  font-size: 17px;
  margin: 0;
}

.section-title p {
  color: var(--tka-muted);
  font-size: 13px;
  margin: 3px 0 0;
}

.filter-panel {
  margin-bottom: 16px;
  padding: 16px;
}

.form-label {
  color: #35435a;
  font-size: 13px;
  font-weight: 700;
}

.form-control,
.form-select {
  border-color: #d9e2ef;
  border-radius: 8px;
  min-height: 42px;
}

.btn {
  border-radius: 8px;
  font-weight: 700;
}

.btn-primary {
  background: var(--tka-blue);
  border-color: var(--tka-blue);
}

.btn-success {
  background: var(--tka-green);
  border-color: var(--tka-green);
}

.badge-soft {
  background: #eaf2ff;
  color: #174ea6;
}

.badge-status {
  border-radius: 999px;
  display: inline-flex;
  font-weight: 700;
  padding: 5px 9px;
}

.badge-status.aktif,
.badge-status.lulus,
.badge-status.selesai {
  background: #e8f8f0;
  color: #0f7c4a;
}

.badge-status.nonaktif,
.badge-status.tidak_lulus {
  background: #fdeced;
  color: #b4232c;
}

.badge-status.berjalan,
.badge-status.mengerjakan {
  background: #fff6df;
  color: #8a5a00;
}

.table {
  vertical-align: middle;
}

.table thead th {
  background: #f8fbff;
  color: #3d4c63;
  font-size: 12px;
  text-transform: uppercase;
}

.table-toolbar,
.table-footer {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: space-between;
  margin-bottom: 12px;
}

.dt-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.action-group {
  display: flex;
  flex-wrap: nowrap;
  gap: 6px;
}

.choice-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

@media print {
  .sidebar,
  .topbar,
  .filter-panel,
  .dt-buttons,
  .dataTables_filter,
  .dataTables_length,
  .dataTables_info,
  .dataTables_paginate {
    display: none !important;
  }

  .app-shell {
    display: block;
  }

  .content {
    padding: 0;
  }
}

@media (max-width: 992px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    min-height: auto;
  }

  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  .user-pill {
    min-width: 0;
  }
}