/* ===================================================================
   Trutus HRMS theme
   Layered on top of Bootstrap 5. Design intent: an operations console,
   not a marketing page. Dense tables, quiet chrome, one accent colour
   reserved for the things a person must act on.
   =================================================================== */

:root {
  --tru-ink:        #16202e;
  --tru-ink-soft:   #5a6675;
  --tru-line:       #dfe5ee;
  --tru-line-soft:  #eef2f7;
  --tru-canvas:     #f3f6fa;
  --tru-surface:    #ffffff;
  --tru-navy:       #1f3a5f;
  --tru-navy-dark:  #16293f;
  --tru-navy-soft:  #eaf0f8;
  --tru-accent:     #0f7d72;
  --tru-accent-soft:#e3f3f0;
  --tru-amber:      #a96b00;
  --tru-amber-soft: #fdf3e1;
  --tru-danger:     #b3261e;
  --tru-danger-soft:#fdeceb;
  --tru-radius:     8px;
  --tru-radius-sm:  5px;
  --tru-sidebar-w:  248px;
  --tru-topbar-h:   58px;
  --tru-shadow:     0 1px 2px rgba(22,32,46,.06), 0 1px 3px rgba(22,32,46,.04);
  --tru-shadow-lg:  0 8px 28px rgba(22,32,46,.14);
}

* { box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--tru-canvas);
  color: var(--tru-ink);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Numbers in tables line up column-to-column. */
.table td, .table th, .metric-value, .money, .tabular { font-variant-numeric: tabular-nums; }

h1, h2, h3, h4, h5 { font-weight: 600; letter-spacing: -0.011em; color: var(--tru-ink); }
h1 { font-size: 1.4rem; } h2 { font-size: 1.15rem; } h3 { font-size: 1rem; }
a { color: var(--tru-navy); text-decoration: none; }
a:hover { color: var(--tru-accent); text-decoration: underline; }

/* ---------- Layout shell ---------- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--tru-sidebar-w);
  background: var(--tru-navy-dark);
  color: #cdd8e6;
  position: fixed; inset: 0 auto 0 0;
  display: flex; flex-direction: column;
  z-index: 1040;
  transition: transform .2s ease;
}
.sidebar-brand {
  height: var(--tru-topbar-h);
  display: flex; align-items: center; gap: .625rem;
  padding: 0 1rem;
  border-bottom: 1px solid rgba(255,255,255,.08);
  color: #fff; font-weight: 600; font-size: .95rem;
  flex-shrink: 0;
}
.sidebar-brand .mark {
  width: 30px; height: 30px; border-radius: 7px;
  background: linear-gradient(135deg, var(--tru-accent), #14a294);
  display: grid; place-items: center;
  font-size: .8rem; font-weight: 700; color: #fff; flex-shrink: 0;
}
.sidebar-nav { overflow-y: auto; padding: .75rem 0 1.5rem; flex: 1; }
.sidebar-section {
  padding: 1rem 1rem .375rem;
  font-size: .688rem; text-transform: uppercase; letter-spacing: .07em;
  color: #7d8ea4; font-weight: 600;
}
.sidebar-link {
  display: flex; align-items: center; gap: .625rem;
  padding: .5rem 1rem; color: #cdd8e6; font-size: .875rem;
  border-left: 3px solid transparent; text-decoration: none;
}
.sidebar-link:hover { background: rgba(255,255,255,.06); color: #fff; text-decoration: none; }
.sidebar-link.active {
  background: rgba(15,125,114,.16); color: #fff;
  border-left-color: var(--tru-accent); font-weight: 500;
}
.sidebar-link svg { width: 17px; height: 17px; flex-shrink: 0; opacity: .85; }
.sidebar-footer {
  padding: .75rem 1rem; border-top: 1px solid rgba(255,255,255,.08);
  font-size: .72rem; color: #7d8ea4; flex-shrink: 0;
}

.main { flex: 1; margin-left: var(--tru-sidebar-w); min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: var(--tru-topbar-h);
  background: var(--tru-surface);
  border-bottom: 1px solid var(--tru-line);
  display: flex; align-items: center; gap: 1rem;
  padding: 0 1.25rem;
  position: sticky; top: 0; z-index: 1030;
}
.topbar-search { flex: 1; max-width: 420px; position: relative; }
.topbar-search input {
  width: 100%; height: 36px; padding: 0 .75rem 0 2.125rem;
  border: 1px solid var(--tru-line); border-radius: var(--tru-radius-sm);
  background: var(--tru-canvas); font-size: .875rem;
}
.topbar-search input:focus {
  outline: none; border-color: var(--tru-navy); background: #fff;
  box-shadow: 0 0 0 3px rgba(31,58,95,.1);
}
.topbar-search svg {
  position: absolute; left: .625rem; top: 50%; transform: translateY(-50%);
  width: 15px; height: 15px; color: var(--tru-ink-soft); pointer-events: none;
}

.content { padding: 1.25rem; flex: 1; }
.page-head {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 1rem; flex-wrap: wrap; margin-bottom: 1.125rem;
}
.page-head .subtitle { color: var(--tru-ink-soft); font-size: .875rem; margin: .125rem 0 0; }
.breadcrumb { font-size: .8rem; margin-bottom: .25rem; }
.breadcrumb-item + .breadcrumb-item::before { content: "/"; color: var(--tru-line); }

/* ---------- Cards & tables ---------- */
.card {
  background: var(--tru-surface); border: 1px solid var(--tru-line);
  border-radius: var(--tru-radius); box-shadow: var(--tru-shadow);
}
.card-header {
  background: transparent; border-bottom: 1px solid var(--tru-line-soft);
  padding: .75rem 1rem; font-weight: 600; font-size: .9rem;
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
}
.card-body { padding: 1rem; }

.table { margin: 0; font-size: .875rem; }
.table > thead > tr > th {
  background: #f7f9fc; border-bottom: 1px solid var(--tru-line);
  font-size: .72rem; text-transform: uppercase; letter-spacing: .05em;
  color: var(--tru-ink-soft); font-weight: 600; padding: .625rem .75rem; white-space: nowrap;
}
.table > tbody > tr > td { padding: .625rem .75rem; border-bottom: 1px solid var(--tru-line-soft); vertical-align: middle; }
.table > tbody > tr:hover { background: #fafcfe; }
.table-wrap { overflow-x: auto; }
th a.sortable { color: inherit; display: inline-flex; align-items: center; gap: .25rem; }
th a.sortable:hover { color: var(--tru-navy); text-decoration: none; }

/* ---------- Metrics ---------- */
.metric-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(168px, 1fr)); gap: .875rem; }
.metric {
  background: var(--tru-surface); border: 1px solid var(--tru-line);
  border-radius: var(--tru-radius); padding: .875rem 1rem;
  box-shadow: var(--tru-shadow); position: relative; overflow: hidden;
}
/* The strip is the one piece of colour on the dashboard: it encodes state. */
.metric::before {
  content: ''; position: absolute; inset: 0 auto 0 0; width: 3px; background: var(--tru-navy);
}
.metric.is-positive::before { background: var(--tru-accent); }
.metric.is-warning::before  { background: var(--tru-amber); }
.metric.is-critical::before { background: var(--tru-danger); }
.metric-label { font-size: .75rem; color: var(--tru-ink-soft); font-weight: 500; text-transform: uppercase; letter-spacing: .04em; }
.metric-value { font-size: 1.65rem; font-weight: 600; line-height: 1.15; margin-top: .25rem; }
.metric-note { font-size: .75rem; color: var(--tru-ink-soft); margin-top: .125rem; }

/* ---------- Badges, avatars ---------- */
.badge { font-weight: 500; font-size: .72rem; padding: .25em .5em; border-radius: 4px; }
.bg-success { background: var(--tru-accent-soft) !important; color: #0b5c54 !important; }
.bg-warning { background: var(--tru-amber-soft) !important; color: var(--tru-amber) !important; }
.bg-danger  { background: var(--tru-danger-soft) !important; color: var(--tru-danger) !important; }
.bg-info    { background: #e7f0fb !important; color: #17457c !important; }
.bg-secondary { background: #eef1f5 !important; color: #566172 !important; }

.avatar {
  width: 34px; height: 34px; border-radius: 50%; object-fit: cover;
  background: var(--tru-navy-soft); color: var(--tru-navy);
  display: inline-grid; place-items: center; font-size: .75rem; font-weight: 600;
  flex-shrink: 0; border: 1px solid var(--tru-line);
}
.avatar-lg { width: 74px; height: 74px; font-size: 1.3rem; }
.avatar-sm { width: 26px; height: 26px; font-size: .65rem; }
.person { display: flex; align-items: center; gap: .5rem; min-width: 0; }
.person-name { font-weight: 500; }
.person-meta { font-size: .75rem; color: var(--tru-ink-soft); }

/* ---------- Forms ---------- */
.form-label { font-size: .8rem; font-weight: 500; margin-bottom: .25rem; color: #3c4757; }
.form-label .req { color: var(--tru-danger); margin-left: .125rem; }
.form-control, .form-select {
  border: 1px solid var(--tru-line); border-radius: var(--tru-radius-sm);
  font-size: .875rem; padding: .4rem .625rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--tru-navy); box-shadow: 0 0 0 3px rgba(31,58,95,.1);
}
.form-control.is-invalid, .form-select.is-invalid { border-color: var(--tru-danger); }
.invalid-feedback { font-size: .78rem; color: var(--tru-danger); }
.form-text { font-size: .78rem; color: var(--tru-ink-soft); }
.fieldset-title {
  font-size: .75rem; text-transform: uppercase; letter-spacing: .06em;
  color: var(--tru-ink-soft); font-weight: 600;
  padding-bottom: .375rem; border-bottom: 1px solid var(--tru-line-soft); margin-bottom: .875rem;
}

.btn { font-size: .875rem; font-weight: 500; border-radius: var(--tru-radius-sm); padding: .4rem .875rem; }
.btn-primary { background: var(--tru-navy); border-color: var(--tru-navy); }
.btn-primary:hover, .btn-primary:focus { background: var(--tru-navy-dark); border-color: var(--tru-navy-dark); }
.btn-accent { background: var(--tru-accent); border-color: var(--tru-accent); color: #fff; }
.btn-accent:hover { background: #0b6a61; border-color: #0b6a61; color: #fff; }
.btn-outline-secondary { border-color: var(--tru-line); color: #47525f; }
.btn-outline-secondary:hover { background: var(--tru-canvas); border-color: #c9d3e0; color: var(--tru-ink); }
.btn-sm { padding: .25rem .5rem; font-size: .8rem; }

/* ---------- Filter bar ---------- */
.filter-bar {
  background: var(--tru-surface); border: 1px solid var(--tru-line);
  border-radius: var(--tru-radius); padding: .75rem; margin-bottom: .875rem;
}
.filter-bar .row { --bs-gutter-x: .625rem; --bs-gutter-y: .5rem; }

/* ---------- Empty & loading states ---------- */
.empty-state { text-align: center; padding: 2.75rem 1rem; color: var(--tru-ink-soft); }
.empty-state .icon {
  width: 44px; height: 44px; margin: 0 auto .75rem; border-radius: 50%;
  background: var(--tru-canvas); display: grid; place-items: center; color: #97a4b5;
}
.empty-state h3 { font-size: .95rem; margin-bottom: .25rem; color: var(--tru-ink); }
.empty-state p { font-size: .85rem; margin-bottom: .875rem; }
.skeleton {
  background: linear-gradient(90deg, #eef2f7 25%, #f7f9fc 50%, #eef2f7 75%);
  background-size: 200% 100%; animation: shimmer 1.4s infinite; border-radius: 4px;
}
@keyframes shimmer { to { background-position: -200% 0; } }

/* ---------- Profile tabs ---------- */
.profile-head { display: flex; gap: 1rem; align-items: flex-start; flex-wrap: wrap; }
.nav-tabs { border-bottom: 1px solid var(--tru-line); gap: .125rem; flex-wrap: nowrap; overflow-x: auto; }
.nav-tabs .nav-link {
  border: none; border-bottom: 2px solid transparent; color: var(--tru-ink-soft);
  font-size: .875rem; font-weight: 500; padding: .5rem .75rem; white-space: nowrap; border-radius: 0;
}
.nav-tabs .nav-link:hover { color: var(--tru-navy); border-bottom-color: var(--tru-line); }
.nav-tabs .nav-link.active { color: var(--tru-navy); border-bottom-color: var(--tru-navy); background: transparent; }

.detail-list { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: .875rem 1.5rem; }
.detail-item .label { font-size: .72rem; text-transform: uppercase; letter-spacing: .04em; color: var(--tru-ink-soft); font-weight: 600; }
.detail-item .value { font-size: .875rem; margin-top: .0625rem; word-break: break-word; }

/* ---------- Timeline ---------- */
.timeline { position: relative; padding-left: 1.5rem; }
.timeline::before { content: ''; position: absolute; left: 5px; top: .375rem; bottom: .375rem; width: 2px; background: var(--tru-line); }
.timeline-item { position: relative; padding-bottom: 1.125rem; }
.timeline-item::before {
  content: ''; position: absolute; left: -1.5rem; top: .3rem; width: 12px; height: 12px;
  border-radius: 50%; background: #fff; border: 2px solid var(--tru-navy);
}
.timeline-item .when { font-size: .75rem; color: var(--tru-ink-soft); }

/* ---------- Notifications ---------- */
.notif-dropdown { width: 340px; max-height: 420px; overflow-y: auto; padding: 0; }
.notif-item { display: block; padding: .625rem .875rem; border-bottom: 1px solid var(--tru-line-soft); color: inherit; }
.notif-item:hover { background: var(--tru-canvas); text-decoration: none; }
.notif-item.unread { background: #f4f9ff; border-left: 3px solid var(--tru-navy); }
.notif-badge {
  position: absolute; top: 2px; right: 2px; min-width: 16px; height: 16px;
  border-radius: 8px; background: var(--tru-danger); color: #fff;
  font-size: .65rem; font-weight: 600; display: grid; place-items: center; padding: 0 4px;
}

/* ---------- Permission matrix ---------- */
.perm-module { border: 1px solid var(--tru-line); border-radius: var(--tru-radius); margin-bottom: .625rem; overflow: hidden; }
.perm-module-head {
  background: #f7f9fc; padding: .5rem .75rem; font-weight: 600; font-size: .85rem;
  display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--tru-line-soft);
}
.perm-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: .375rem .875rem; padding: .75rem; }

/* ---------- Auth screens ---------- */
.auth-shell { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.auth-aside {
  background: linear-gradient(155deg, var(--tru-navy-dark) 0%, #14304d 55%, #0d2436 100%);
  color: #fff; padding: 3rem; display: flex; flex-direction: column; justify-content: space-between;
}
.auth-aside h1 { color: #fff; font-size: 1.75rem; max-width: 22ch; line-height: 1.3; }
.auth-aside .lede { color: #b7c6d8; font-size: .95rem; max-width: 42ch; margin-top: .75rem; }
.auth-panel { display: grid; place-items: center; padding: 2rem; background: var(--tru-surface); }
.auth-card { width: 100%; max-width: 370px; }
.auth-mark {
  width: 42px; height: 42px; border-radius: 10px;
  background: linear-gradient(135deg, var(--tru-accent), #14a294);
  display: grid; place-items: center; color: #fff; font-weight: 700; margin-bottom: 1.25rem;
}
.password-meter { height: 4px; border-radius: 2px; background: var(--tru-line-soft); overflow: hidden; margin-top: .375rem; }
.password-meter span { display: block; height: 100%; width: 0; transition: width .2s, background .2s; }

/* ---------- Alerts ---------- */
.alert { border: 1px solid transparent; border-radius: var(--tru-radius); font-size: .875rem; padding: .625rem .875rem; }
.alert-success { background: var(--tru-accent-soft); border-color: #b9e2dc; color: #0b5c54; }
.alert-danger  { background: var(--tru-danger-soft); border-color: #f4c9c6; color: var(--tru-danger); }
.alert-warning { background: var(--tru-amber-soft); border-color: #f0d9ac; color: var(--tru-amber); }
.alert-info    { background: #e7f0fb; border-color: #c3d8f2; color: #17457c; }

/* ---------- Accessibility ---------- */
:focus-visible { outline: 2px solid var(--tru-accent); outline-offset: 2px; }
.skip-link {
  position: absolute; left: -9999px; top: 0; background: var(--tru-navy); color: #fff;
  padding: .5rem 1rem; z-index: 2000; border-radius: 0 0 var(--tru-radius-sm) 0;
}
.skip-link:focus { left: 0; color: #fff; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- Responsive: a real mobile layout, not a squeezed desktop ---------- */
.sidebar-backdrop { display: none; }
@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); box-shadow: var(--tru-shadow-lg); }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop.show { display: block; position: fixed; inset: 0; background: rgba(22,32,46,.45); z-index: 1035; }
  .main { margin-left: 0; }
  .auth-shell { grid-template-columns: 1fr; }
  .auth-aside { display: none; }
  .content { padding: .875rem; }
  .metric-value { font-size: 1.4rem; }
}
@media (max-width: 767.98px) {
  /* Stacked cards read better than a horizontally scrolling table on a phone. */
  .table-stack thead { display: none; }
  .table-stack tbody tr {
    display: block; border: 1px solid var(--tru-line); border-radius: var(--tru-radius);
    margin-bottom: .625rem; padding: .5rem; background: #fff;
  }
  .table-stack tbody td { display: flex; justify-content: space-between; gap: 1rem; border: none; padding: .3rem .25rem; }
  .table-stack tbody td::before {
    content: attr(data-label); font-size: .72rem; text-transform: uppercase; letter-spacing: .04em;
    color: var(--tru-ink-soft); font-weight: 600; flex-shrink: 0;
  }
  .table-stack tbody td[data-label=""]::before { content: none; }
  .page-head { flex-direction: column; align-items: stretch; }
  .page-head .actions { display: flex; gap: .5rem; }
  .page-head .actions .btn { flex: 1; }
}

@media print {
  .sidebar, .topbar, .filter-bar, .btn, .pagination, .no-print { display: none !important; }
  .main { margin-left: 0; }
  .card { border: 1px solid #ccc; box-shadow: none; }
  body { background: #fff; font-size: 11pt; }
}