:root {
  --blue: #0d6efd;
  --blue-dark: #0b3d91;
  --ink: #172033;
  --muted: #6c757d;
  --line: #d9e2ec;
  --soft: #f4f7fb;
  --white: #ffffff;
}

* { box-sizing: border-box; }
body {
  background: var(--soft);
  color: var(--ink);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
}

.app-shell { min-height: 100vh; display: flex; }
.sidebar {
  width: 280px;
  background: linear-gradient(180deg, var(--blue-dark), #102a56);
  color: var(--white);
  padding: 22px 18px;
  position: fixed;
  inset: 0 auto 0 0;
}
.brand { display: flex; gap: 12px; align-items: center; padding-bottom: 24px; border-bottom: 1px solid rgba(255,255,255,.18); }
.brand-mark {
  width: 42px; height: 42px; border-radius: 8px; display: grid; place-items: center;
  background: var(--white); color: var(--blue-dark); font-weight: 800;
}
.brand span { display: block; color: #d7e6ff; font-size: .82rem; }
.sidebar nav { display: grid; gap: 8px; margin-top: 24px; }
.sidebar a {
  color: #eaf2ff; text-decoration: none; padding: 12px 14px; border-radius: 8px;
  display: flex; align-items: center; gap: 12px; font-weight: 600;
}
.sidebar a.active, .sidebar a:hover { background: rgba(255,255,255,.16); color: var(--white); }
.main-content { margin-left: 280px; width: calc(100% - 280px); padding: 26px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 22px; }
.topbar h1 { font-size: 1.55rem; margin: 0; font-weight: 800; }
.topbar p { margin: 4px 0 0; color: var(--muted); }

.panel, .stat-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(20, 48, 90, .06);
}
.panel { padding: 20px; margin-bottom: 18px; }
.panel h2 { font-size: 1.08rem; font-weight: 800; margin-bottom: 18px; }
.panel h3 { font-size: .95rem; font-weight: 800; color: var(--blue-dark); margin-bottom: 12px; }
.stats-grid { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 14px; }
.stat-card { padding: 18px; position: relative; min-height: 118px; overflow: hidden; }
.stat-card span { color: var(--muted); font-weight: 700; font-size: .82rem; }
.stat-card strong { display: block; margin-top: 10px; font-size: 1.35rem; line-height: 1.2; }
.stat-card i { position: absolute; right: 18px; bottom: 16px; color: rgba(13,110,253,.16); font-size: 2rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.summary-line {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px; background: #f8fbff; border: 1px solid var(--line); border-radius: 8px;
}
.summary-line.total { margin-top: 10px; background: #eaf3ff; border-color: #b8d8ff; }
.summary-line strong, .summary-grid strong { color: var(--blue-dark); }
.summary-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.summary-grid > div {
  min-height: 82px; padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: #fbfdff;
}
.summary-grid span, .meta-grid span { display: block; color: var(--muted); font-size: .78rem; font-weight: 700; margin-bottom: 6px; }
.summary-grid small { display: block; color: var(--muted); margin-top: 4px; }
.sticky-actions { position: sticky; top: 0; z-index: 3; display: flex; gap: 10px; justify-content: flex-end; background: rgba(244,247,251,.92); padding: 10px 0; backdrop-filter: blur(8px); }
.form-label { font-weight: 700; color: #344054; font-size: .86rem; }
.form-control, .form-select { border-color: #cfd8e3; border-radius: 8px; min-height: 42px; }
.form-control:focus, .form-select:focus { border-color: var(--blue); box-shadow: 0 0 0 .2rem rgba(13,110,253,.12); }
.detail-toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.meta-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.badge-status { background: #eaf3ff; color: var(--blue-dark); border: 1px solid #b8d8ff; }
.table-actions { display: flex; gap: 6px; align-items: center; }
.table-actions form { margin: 0; }
.recommendation-panel { border-left: 5px solid var(--blue); }
.recommendation-text { color: #344054; font-weight: 600; }
.loading-overlay {
  position: fixed; inset: 0; background: rgba(255,255,255,.72); z-index: 9999;
  display: grid; place-items: center;
}
canvas { max-height: 320px; }

@media (max-width: 1200px) {
  .stats-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .summary-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .sidebar { position: static; width: 100%; }
  .app-shell { display: block; }
  .main-content { margin-left: 0; width: 100%; padding: 18px; }
  .grid-2, .meta-grid { grid-template-columns: 1fr; }
  .topbar { align-items: flex-start; flex-direction: column; }
}
@media (max-width: 640px) {
  .stats-grid, .summary-grid { grid-template-columns: 1fr; }
  .stat-card strong { font-size: 1.12rem; }
  .sticky-actions { justify-content: stretch; }
  .sticky-actions .btn { flex: 1; }
}
@media print {
  .sidebar, .topbar, .detail-toolbar, .btn, .dataTables_wrapper .row:first-child, .dataTables_wrapper .row:last-child { display: none !important; }
  .main-content { margin: 0; width: 100%; padding: 0; }
  body { background: white; }
  .panel, .stat-card { box-shadow: none; break-inside: avoid; }
}