/* ============================================================
   BizTracker – Global Styles
   ============================================================ */

:root {
  --sidebar-w: 240px;
  --sidebar-bg: #0f172a;
  --sidebar-text: #94a3b8;
  --sidebar-active-bg: rgba(59,130,246,.18);
  --sidebar-active-border: #3b82f6;
  --sidebar-active-text: #fff;
  --primary: #3b82f6;
  --bg: #f1f5f9;
  --card-bg: #fff;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 1px 4px rgba(0,0,0,.07);
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text-main);
  font-family: 'Segoe UI', system-ui, sans-serif;
  font-size: .9rem;
  min-height: 100vh;
  display: flex;
}

/* ---- Sidebar ---- */
.sidebar {
  width: var(--sidebar-w);
  min-height: 100vh;
  background: var(--sidebar-bg);
  position: fixed;
  top: 0; left: 0;
  z-index: 200;
  display: flex;
  flex-direction: column;
  transition: transform .28s ease;
  overflow-y: auto;
}

.sidebar-brand {
  padding: 1.25rem 1.5rem;
  color: #fff;
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  align-items: center;
  gap: .6rem;
  letter-spacing: -.2px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  flex-shrink: 0;
}

.sidebar-brand .brand-icon {
  width: 32px; height: 32px;
  background: var(--primary);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem;
}

.sidebar nav { padding: .5rem 0; flex: 1; }

.sidebar-section-label {
  font-size: .68rem;
  font-weight: 600;
  letter-spacing: .8px;
  text-transform: uppercase;
  color: rgba(255,255,255,.3);
  padding: .75rem 1.5rem .35rem;
  margin-top: .25rem;
}

.sidebar .nav-link {
  display: flex;
  align-items: center;
  gap: .75rem;
  padding: .62rem 1.5rem;
  color: var(--sidebar-text);
  text-decoration: none;
  font-size: .875rem;
  transition: background .15s, color .15s, border-color .15s;
  border-left: 3px solid transparent;
}

.sidebar .nav-link:hover {
  background: rgba(255,255,255,.06);
  color: #fff;
}

.sidebar .nav-link.active {
  background: var(--sidebar-active-bg);
  border-left-color: var(--sidebar-active-border);
  color: var(--sidebar-active-text);
}

.sidebar .nav-link i { width: 1.1rem; text-align: center; font-size: .95rem; }

/* ---- Main content ---- */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ---- Top navbar ---- */
.top-navbar {
  background: var(--card-bg);
  border-bottom: 1px solid var(--border);
  padding: .75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky; top: 0; z-index: 100;
  gap: 1rem;
}

.page-title {
  font-size: 1rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-main);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-main);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

/* ---- Content wrapper ---- */
.content-wrapper { padding: 1.5rem; flex: 1; }

/* ---- Stat cards ---- */
.stat-card {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.stat-icon {
  width: 46px; height: 46px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.stat-label {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .4px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: .2rem;
}

.stat-value {
  font-size: 1.45rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

/* ---- Chart & Table cards ---- */
.card-panel {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.card-panel-header {
  padding: .9rem 1.25rem;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .5rem;
}

.card-panel-title {
  font-size: .92rem;
  font-weight: 600;
  margin: 0;
  color: var(--text-main);
}

.card-panel-body { padding: 1.25rem; }

/* ---- Tables ---- */
.table { margin: 0; font-size: .855rem; }

.table thead th {
  background: #f8fafc;
  color: var(--text-muted);
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .5px;
  border-bottom: 2px solid var(--border);
  padding: .65rem 1rem;
  white-space: nowrap;
}

.table tbody td {
  padding: .7rem 1rem;
  vertical-align: middle;
  border-bottom: 1px solid var(--border);
}

.table tbody tr:last-child td { border-bottom: none; }
.table tbody tr:hover td { background: #f8fafc; }

/* ---- Filter bar ---- */
.filter-bar {
  background: var(--card-bg);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  padding: .9rem 1.25rem;
  margin-bottom: 1rem;
}

/* ---- Status badges ---- */
.badge { font-size: .72rem; padding: .28em .6em; font-weight: 500; border-radius: 5px; }

/* ---- Action buttons ---- */
.btn-action { padding: .22rem .45rem; font-size: .78rem; line-height: 1.4; border-radius: 6px; }

/* ---- Forms ---- */
.form-label { font-size: .83rem; font-weight: 500; color: var(--text-main); margin-bottom: .3rem; }
.form-control, .form-select {
  font-size: .865rem;
  border-color: var(--border);
  border-radius: 8px;
  padding: .42rem .75rem;
}
.form-control:focus, .form-select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59,130,246,.14);
}
.input-group-text { font-size: .865rem; background: #f8fafc; border-color: var(--border); }

/* ---- Modals ---- */
.modal-header { background: #f8fafc; border-bottom: 1px solid var(--border); }
.modal-title { font-size: .95rem; font-weight: 600; }
.modal-footer { border-top: 1px solid var(--border); }

/* ---- Buttons ---- */
.btn { font-size: .855rem; border-radius: 8px; }
.btn-primary { background: var(--primary); border-color: var(--primary); }
.btn-primary:hover { background: #2563eb; border-color: #2563eb; }

/* ---- Empty state ---- */
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state i { font-size: 2.5rem; opacity: .35; display: block; margin-bottom: .75rem; }

/* ---- Mobile overlay ---- */
.sidebar-overlay {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 199;
}
.sidebar-overlay.show { display: block; }

/* ---- Responsive: tablet + mobile (< 992px) ---- */
@media (max-width: 991.98px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.show { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .mobile-toggle { display: block !important; }
  .content-wrapper { padding: 1rem; }
  .top-navbar { padding: .65rem 1rem; }
}

/* ---- Mobile only (< 576px) ---- */
@media (max-width: 575.98px) {
  .stat-value { font-size: 1.1rem; }
  .stat-card { padding: .85rem 1rem; }
  .content-wrapper { padding: .75rem; }
  .card-panel-header { flex-direction: column; align-items: flex-start; }
  .modal-dialog { margin: .5rem; }
  .table thead th, .table tbody td { padding: .5rem .65rem; font-size: .8rem; }
  .top-navbar { flex-wrap: wrap; gap: .5rem; }
  .top-navbar .btn { font-size: .8rem; padding: .3rem .6rem; }
}

/* ============================================================
   User custom overrides
   ============================================================ */
a {
  text-decoration: none;
  color: #464feb;
}
tr th, tr td {
  border: 1px solid #e6e6e6;
}
tr th {
  background-color: #f5f5f5;
}
.cat-amount:focus {
  border-color: #464feb;
  box-shadow: 0 0 0 3px rgba(70,79,235,.14);
}
.su-only { display: none !important; }
.cat-chip.active-chip {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* ---- Employee detail info blocks ---- */
.info-label { font-size: .72rem; font-weight: 600; letter-spacing: .4px; text-transform: uppercase; color: var(--text-muted); margin-bottom: .2rem; }
.info-value  { font-size: .9rem; color: var(--text-main); }

/* ---- Salary stat boxes ---- */
.salary-stat-box { background: #f8fafc; border-radius: 10px; border: 1px solid var(--border); padding: .9rem .75rem; }
.salary-stat-val  { font-size: 1.15rem; font-weight: 700; line-height: 1.2; }
.salary-stat-lbl  { font-size: .7rem; font-weight: 600; text-transform: uppercase; letter-spacing: .4px; color: var(--text-muted); margin-top: .2rem; }

/* ---- Btn-xs ---- */
.btn-xs { padding: .18rem .4rem; font-size: .75rem; border-radius: 5px; }