:root {
  --tdem-primary: #2563eb;
  --tdem-primary-dark: #1d4ed8;
  --tdem-bg: #f6f8fb;
  --tdem-border: #e5e9f0;
  --tdem-text: #111827;
  --tdem-muted: #6b7280;
  --bs-primary: #2563eb;
  --bs-primary-rgb: 37, 99, 235;
  --bs-body-font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --bs-body-color: var(--tdem-text);
}
body { background: var(--tdem-bg); font-size: .94rem; }
.btn-primary { --bs-btn-bg: var(--tdem-primary); --bs-btn-border-color: var(--tdem-primary); --bs-btn-hover-bg: var(--tdem-primary-dark); --bs-btn-hover-border-color: var(--tdem-primary-dark); --bs-btn-active-bg: var(--tdem-primary-dark); }
.btn-outline-primary { --bs-btn-color: var(--tdem-primary); --bs-btn-border-color: var(--tdem-primary); --bs-btn-hover-bg: var(--tdem-primary); --bs-btn-hover-border-color: var(--tdem-primary); }
a { color: var(--tdem-primary); text-decoration: none; }
a:hover { color: var(--tdem-primary-dark); }

.app-shell { display: flex; min-height: 100vh; }
.sidebar { width: 252px; flex: 0 0 252px; background: #fff; border-right: 1px solid var(--tdem-border); padding: 1.1rem .9rem; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.brand { display: flex; align-items: center; gap: .65rem; padding: .25rem .5rem 1.2rem; color: var(--tdem-text); }
.brand-mark { width: 38px; height: 38px; border-radius: 10px; background: var(--tdem-primary); color: #fff; display: grid; place-items: center; font-size: 1.2rem; }
.brand-logo { width: 38px; height: 38px; object-fit: contain; border-radius: 8px; }
.brand-name { font-weight: 700; line-height: 1.15; display: block; }
.brand-name small { display: block; font-weight: 500; font-size: .7rem; color: var(--tdem-muted); }
.side-nav .nav-link { display: flex; align-items: center; gap: .7rem; color: #374151; border-radius: 10px; padding: .55rem .75rem; font-weight: 500; }
.side-nav .nav-link:hover { background: #f1f5f9; }
.side-nav .nav-link.active { background: #eaf1ff; color: var(--tdem-primary); }
.side-nav .bi { font-size: 1.05rem; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar { display: flex; align-items: center; gap: .75rem; padding: .7rem 1.25rem; background: #fff; border-bottom: 1px solid var(--tdem-border); position: sticky; top: 0; z-index: 100; }
.content { padding: 1.5rem 1.25rem; flex: 1; }
.app-footer { padding: 1rem 1.25rem; border-top: 1px solid var(--tdem-border); }
.avatar { width: 34px; height: 34px; border-radius: 50%; background: #eaf1ff; color: var(--tdem-primary); display: inline-grid; place-items: center; font-weight: 700; font-size: .8rem; }
.avatar-lg { width: 72px; height: 72px; font-size: 1.4rem; object-fit: cover; }

.card { border: 1px solid var(--tdem-border); border-radius: 14px; box-shadow: 0 1px 2px rgba(16,24,40,.04); }
.card-header { background: transparent; border-bottom: 1px solid var(--tdem-border); font-weight: 600; }
.form-control, .form-select { border-color: #d6dce6; border-radius: 9px; }
.form-control:focus, .form-select:focus { border-color: var(--tdem-primary); box-shadow: 0 0 0 .2rem rgba(37,99,235,.15); }
.form-label { font-weight: 500; font-size: .85rem; }
.btn { border-radius: 9px; font-weight: 500; }
.table > :not(caption) > * > * { padding: .75rem .9rem; border-bottom-color: var(--tdem-border); vertical-align: middle; }
.table thead th { font-size: .74rem; text-transform: uppercase; letter-spacing: .04em; color: var(--tdem-muted); background: #fafbfd; white-space: nowrap; }
.badge { font-weight: 600; padding: .4em .65em; border-radius: 999px; }

.stat-card { padding: 1.1rem 1.2rem; display: block; color: inherit; transition: transform .12s, box-shadow .12s; }
.stat-card:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(16,24,40,.08); color: inherit; }
.stat-card .stat-num { font-size: 1.9rem; font-weight: 700; line-height: 1.1; }
.stat-card .stat-label { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--tdem-muted); font-weight: 600; }
.stat-card .stat-icon { width: 42px; height: 42px; border-radius: 12px; display: grid; place-items: center; font-size: 1.2rem; }
.tone-blue .stat-icon { background: #eaf1ff; color: #2563eb; }
.tone-green .stat-icon { background: #e6f7ee; color: #16a34a; }
.tone-orange .stat-icon { background: #fff2e0; color: #ea8a0b; }
.tone-red .stat-icon { background: #fde8e8; color: #dc2626; }
.tone-gray .stat-icon { background: #eef0f4; color: #64748b; }
.tone-slate .stat-icon { background: #e8f3f8; color: #0e7490; }

.empty-state { color: var(--tdem-muted); }
.chart-box { position: relative; height: 260px; }
.compliance-bar { height: 10px; border-radius: 999px; }
.check-row { display: flex; align-items: center; gap: .6rem; padding: .5rem 0; border-bottom: 1px dashed var(--tdem-border); }
.check-row:last-child { border-bottom: 0; }
.doc-preview { width: 100%; height: 520px; border: 1px solid var(--tdem-border); border-radius: 10px; background: #fff; }
.doc-preview-img { max-width: 100%; border-radius: 10px; border: 1px solid var(--tdem-border); }
.timeline { list-style: none; padding-left: 0; margin: 0; }
.timeline li { position: relative; padding: 0 0 1rem 1.4rem; border-left: 2px solid var(--tdem-border); margin-left: .4rem; }
.timeline li::before { content: ""; position: absolute; left: -7px; top: 2px; width: 12px; height: 12px; border-radius: 50%; background: var(--tdem-primary); border: 2px solid #fff; }
.sidebar-offcanvas { width: 270px; }

.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 1rem; background: linear-gradient(160deg, #eaf1ff 0%, #f6f8fb 55%); }
.login-card { width: 100%; max-width: 410px; padding: 2rem; }
.error-page { display: grid; place-items: center; min-height: 100vh; background: var(--tdem-bg); }
.error-box { max-width: 520px; padding: 2rem; }
.error-code { font-size: 4.5rem; font-weight: 800; color: var(--tdem-primary); line-height: 1; }

@media (max-width: 575.98px) {
  .content { padding: 1rem .8rem; }
  .stat-card .stat-num { font-size: 1.5rem; }
}
@media print {
  .sidebar, .topbar, .app-footer, .no-print, .page-title .btn { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; }
}