/* ===========================================================
   HRMS Platform — design tokens & component overrides
   One indigo brand identity, compact tables, minimal noise.
   =========================================================== */

:root {
  --primary: #4B3FD1;
  --primary-hover: #3B31A8;
  --primary-soft: #ECEAFB;

  --bg: #F5F5FB;
  --surface: #FFFFFF;
  --surface-2: #FAFAFE;

  --text: #1A1B2E;
  --muted: #5C5F77;
  --faint: #8688A3;
  --border: #E0E1EC;

  --success: #1D7A54;
  --success-soft: #E4F5EC;
  --warning: #92660D;
  --warning-soft: #FBF0DC;
  --danger: #B3261E;
  --danger-soft: #FAE7E5;
  --info: #2563AC;
  --info-soft: #E6F0FB;

  --radius: 8px;
  --shadow-sm: 0 1px 2px rgba(26,27,46,.04), 0 2px 8px rgba(26,27,46,.05);
  --sidebar-w: 240px;
}

* { box-sizing: border-box; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto, Helvetica, Arial, sans-serif;
  font-size: .92rem;
}

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

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

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: .55rem;
  padding: 1rem 1.1rem;
  border-bottom: 1px solid var(--border);
  font-weight: 700;
  font-size: 1rem;
  color: var(--text);
}
.sidebar-brand .mark {
  width: 28px; height: 28px;
  border-radius: 7px;
  background: var(--primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: .8rem; font-weight: 700;
}
.sidebar-nav { padding: .6rem .6rem 1.5rem; flex: 1; }
.sidebar-group-label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--faint);
  padding: .9rem .6rem .3rem;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .5rem .6rem;
  border-radius: 7px;
  color: var(--muted);
  font-size: .87rem;
  font-weight: 500;
  margin-bottom: .1rem;
}
.sidebar-link:hover { background: var(--surface-2); color: var(--text); }
.sidebar-link.active { background: var(--primary-soft); color: var(--primary); }
.sidebar-link i { width: 16px; text-align: center; font-size: .9rem; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .65rem 1.25rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 20;
}
button.topbar-toggle { display: none; }

.content { flex: 1; min-width: 0; padding: 1.25rem; }

/* ---------- Page header ---------- */
.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: .75rem;
  margin-bottom: 1.1rem;
}
.page-header h1 {
  font-size: 1.25rem;
  font-weight: 700;
  margin: 0;
  color: var(--text);
}
.page-header p {
  margin: .15rem 0 0;
  font-size: .82rem;
  color: var(--muted);
}
.page-actions { display: flex; gap: .5rem; flex-wrap: wrap; }

/* ---------- Cards ---------- */
.card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .85rem 1rem;
}
.stat-card .label { font-size: .74rem; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .04em; }
.stat-card .value { font-size: 1.5rem; font-weight: 700; color: var(--text); margin-top: .2rem; }

/* ---------- Compact tables ---------- */
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}
table.table-compact {
  margin-bottom: 0;
  font-size: .85rem;
}
table.table-compact thead th {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--faint);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  padding: .55rem .75rem;
  white-space: nowrap;
}
table.table-compact tbody td {
  padding: .5rem .75rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--border);
}
table.table-compact tbody tr:last-child td { border-bottom: none; }
table.table-compact tbody tr:hover { background: var(--surface-2); }

/* ---------- Buttons ---------- */
.btn { font-size: .84rem; border-radius: 6px; padding: .38rem .8rem; }
.btn-sm { font-size: .78rem; padding: .28rem .6rem; }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: var(--primary-hover); border-color: var(--primary-hover); }
.btn-outline-primary { color: var(--primary); border-color: var(--primary); }
.btn-outline-primary:hover { background: var(--primary); border-color: var(--primary); }
.btn-icon {
  width: 30px; height: 30px; padding: 0;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 6px;
}

/* ---------- Badges / status pills ---------- */
.badge { font-weight: 600; font-size: .72rem; padding: .3em .55em; border-radius: 5px; }
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }
.badge-danger  { background: var(--danger-soft); color: var(--danger); }
.badge-info    { background: var(--info-soft); color: var(--info); }
.badge-muted   { background: var(--surface-2); color: var(--muted); border: 1px solid var(--border); }

/* ---------- Forms ---------- */
.form-label { font-size: .82rem; font-weight: 600; color: var(--text); margin-bottom: .3rem; }
.form-control, .form-select {
  font-size: .87rem;
  border-color: var(--border);
  border-radius: 6px;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 .2rem var(--primary-soft);
}
.form-text { font-size: .77rem; color: var(--muted); }
.form-section-title {
  font-size: .78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .04em;
  color: var(--faint);
  margin: 1.2rem 0 .6rem;
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--border);
}

/* ---------- Filters bar ---------- */
.filters-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  align-items: center;
  margin-bottom: .9rem;
}
.filters-bar .form-control,
.filters-bar .form-select { width: auto; }

/* ---------- Empty state ---------- */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--muted);
}
.empty-state i { font-size: 2rem; color: var(--faint); margin-bottom: .6rem; display: block; }

/* ---------- Auth page ---------- */
.auth-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, var(--bg) 0%, var(--primary-soft) 100%);
  padding: 1rem;
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
  padding: 2rem 1.75rem;
}
.auth-brand {
  display: flex; align-items: center; gap: .6rem;
  margin-bottom: 1.4rem;
}
.auth-brand .mark {
  width: 34px; height: 34px; border-radius: 8px;
  background: var(--primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
}
.auth-brand span { font-weight: 700; font-size: 1.05rem; }

/* ---------- Toasts ---------- */
.toast-stack {
  position: fixed;
  top: 1rem;
  right: 1rem;
  z-index: 1080;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  width: min(340px, calc(100vw - 2rem));
}
.toast-item {
  display: flex;
  align-items: flex-start;
  gap: .6rem;
  padding: .65rem .75rem;
  border-radius: var(--radius);
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--info);
  box-shadow: 0 4px 16px rgba(26,27,46,.12);
  font-size: .84rem;
  color: var(--text);
  opacity: 0;
  transform: translateX(12px);
  transition: opacity .18s ease, transform .18s ease;
}
.toast-item.show { opacity: 1; transform: translateX(0); }
.toast-item.toast-success { border-left-color: var(--success); }
.toast-item.toast-danger   { border-left-color: var(--danger); }
.toast-item.toast-warning  { border-left-color: var(--warning); }
.toast-item.toast-info     { border-left-color: var(--info); }
.toast-item i { font-size: 1rem; margin-top: .1rem; }
.toast-item.toast-success i { color: var(--success); }
.toast-item.toast-danger i   { color: var(--danger); }
.toast-item.toast-warning i  { color: var(--warning); }
.toast-item.toast-info i     { color: var(--info); }
.toast-item .toast-msg { flex: 1; }
.toast-item .toast-close {
  border: 0; background: none; padding: 0; line-height: 1;
  color: var(--faint); cursor: pointer; font-size: .95rem;
}
.toast-item .toast-close:hover { color: var(--muted); }

/* ---------- Loading states ---------- */
.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 5;
  border-radius: var(--radius);
}
.loading-host { position: relative; min-height: 3rem; }
.skeleton-row td {
  padding: .6rem .75rem;
}
.skeleton-bar {
  height: .7rem;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--border) 37%, var(--surface-2) 63%);
  background-size: 400% 100%;
  animation: skeleton-shimmer 1.4s ease infinite;
}
@keyframes skeleton-shimmer {
  0% { background-position: 100% 50%; }
  100% { background-position: 0 50%; }
}
@media (prefers-reduced-motion: reduce) {
  .skeleton-bar { animation: none; }
  .toast-item { transition: none; }
}

/* ---------- Select2 (compact, design-token aligned) ---------- */
.select2-container--bootstrap-5 .select2-selection {
  min-height: calc(1.5em + .76rem + 2px);
  border-color: var(--border);
  border-radius: 6px;
  font-size: .87rem;
}
.select2-container--bootstrap-5.select2-container--focus .select2-selection,
.select2-container--bootstrap-5.select2-container--open .select2-selection {
  border-color: var(--primary);
  box-shadow: 0 0 0 .2rem var(--primary-soft);
}
.select2-container--bootstrap-5 .select2-selection__rendered { font-size: .87rem; }
.select2-container--bootstrap-5 .select2-results__option--highlighted[aria-selected] {
  background-color: var(--primary);
}
.select2-container--bootstrap-5 .select2-dropdown { font-size: .87rem; border-color: var(--border); }
.filters-bar .select2-container { min-width: 170px; }

/* ---------- Responsive ---------- */
@media (max-width: 991px) {
  .sidebar {
    position: fixed;
    left: 0; top: 0;
    transform: translateX(-100%);
    transition: transform .2s ease;
    z-index: 1050;
    box-shadow: var(--shadow-sm);
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-backdrop {
    display: none;
    position: fixed; inset: 0;
    background: rgba(26,27,46,.4);
    z-index: 1040;
  }
  .sidebar-backdrop.open { display: block; }
  button.topbar-toggle { display: inline-flex; }
  .content { padding: 1rem; }
  .filters-bar { flex-direction: column; align-items: stretch; }
  .filters-bar .form-control,
  .filters-bar .form-select { width: 100%; }
}