/* Bugema University HRMS – brand theme (blue #1B3A9C, red #E8202A, gold #F2C500) */
:root {
  --bu-blue: #1b3a9c;
  --bu-blue-dark: #12296f;
  --bu-blue-light: #e8edf9;
  --bu-red: #e8202a;
  --bu-gold: #f2c500;
  --bu-bg: #f4f6fb;
  --bu-surface: #ffffff;
  --bu-border: #dde3ef;
  --bu-text: #1d2433;
  --bu-muted: #667085;
  --sidebar-w: 268px;
  --bs-primary: #1b3a9c;
  --bs-primary-rgb: 27, 58, 156;
  --bs-danger: #e8202a;
  --bs-link-color: #1b3a9c;
  --bs-link-hover-color: #12296f;
  --bs-body-font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

body { background: var(--bu-bg); color: var(--bu-text); font-size: .925rem; }

.btn-primary { --bs-btn-bg: var(--bu-blue); --bs-btn-border-color: var(--bu-blue); --bs-btn-hover-bg: var(--bu-blue-dark);
  --bs-btn-hover-border-color: var(--bu-blue-dark); --bs-btn-active-bg: var(--bu-blue-dark); }
.btn-outline-primary { --bs-btn-color: var(--bu-blue); --bs-btn-border-color: var(--bu-blue); --bs-btn-hover-bg: var(--bu-blue);
  --bs-btn-hover-border-color: var(--bu-blue); --bs-btn-active-bg: var(--bu-blue); }
.btn-danger { --bs-btn-bg: var(--bu-red); --bs-btn-border-color: var(--bu-red); }
.text-bg-primary { background-color: var(--bu-blue) !important; }
.text-primary { color: var(--bu-blue) !important; }
.bg-primary { background-color: var(--bu-blue) !important; }
.text-bu-red { color: var(--bu-red); }
a { color: var(--bu-blue); }

/* ---------- Layout ---------- */
.app-sidebar {
  position: fixed; inset: 0 auto 0 0; width: var(--sidebar-w); z-index: 1030;
  background: linear-gradient(180deg, var(--bu-blue-dark) 0%, var(--bu-blue) 100%);
  color: #dfe6fb; overflow-y: auto; transition: transform .2s ease;
  border-right: 4px solid var(--bu-gold);
}
.app-sidebar .brand { display: flex; align-items: center; gap: .75rem; padding: 1rem 1.1rem; background: rgba(0,0,0,.12);
  text-decoration: none; color: #fff; }
.app-sidebar .brand img { width: 46px; height: 46px; border-radius: 50%; background: #fff; padding: 2px; }
.app-sidebar .brand .name { font-weight: 800; letter-spacing: .02em; line-height: 1.1; font-size: 1.02rem; }
.app-sidebar .brand .motto { font-size: .72rem; color: var(--bu-gold); font-style: italic; }
.app-sidebar .nav-section { padding: .9rem 1.1rem .25rem; font-size: .68rem; text-transform: uppercase;
  letter-spacing: .09em; color: rgba(255,255,255,.55); font-weight: 700; }
.app-sidebar .nav-link { color: #dfe6fb; padding: .38rem 1.1rem; display: flex; gap: .65rem; align-items: center;
  border-left: 3px solid transparent; font-size: .87rem; }
.app-sidebar .nav-link:hover { background: rgba(255,255,255,.08); color: #fff; }
.app-sidebar .nav-link.active { background: rgba(255,255,255,.14); color: #fff; border-left-color: var(--bu-gold); font-weight: 600; }
.app-sidebar .nav-link i { font-size: 1rem; opacity: .9; width: 1.1rem; text-align: center; }
.app-sidebar details > summary { list-style: none; cursor: pointer; }
.app-sidebar details > summary::-webkit-details-marker { display: none; }
.app-sidebar details > summary::after { content: "\F282"; font-family: "bootstrap-icons"; float: right; font-size: .7rem; transition: transform .15s; }
.app-sidebar details[open] > summary::after { transform: rotate(180deg); }

.app-main { margin-left: var(--sidebar-w); min-height: 100vh; display: flex; flex-direction: column; }
.app-topbar { background: var(--bu-surface); border-bottom: 1px solid var(--bu-border); padding: .55rem 1.25rem;
  display: flex; align-items: center; gap: 1rem; position: sticky; top: 0; z-index: 1020; }
.app-topbar .search { max-width: 420px; flex: 1; }
.app-content { padding: 1.5rem 1.5rem 2.5rem; flex: 1; }
.app-footer { padding: .9rem 1.5rem; color: var(--bu-muted); font-size: .8rem; border-top: 1px solid var(--bu-border); background: #fff; }
.app-footer .stripe { height: 3px; background: linear-gradient(90deg, var(--bu-blue) 0 60%, var(--bu-red) 60% 85%, var(--bu-gold) 85%); margin: -.9rem -1.5rem .8rem; }

@media (max-width: 991.98px) {
  .app-sidebar { transform: translateX(-100%); }
  body.sidebar-open .app-sidebar { transform: none; box-shadow: 0 0 40px rgba(0,0,0,.3); }
  .app-main { margin-left: 0; }
  .app-content { padding: 1rem; }
}

/* ---------- Components ---------- */
.page-header { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem; margin-bottom: 1.25rem; }
.page-header h1 { font-size: 1.45rem; font-weight: 700; margin: 0; color: var(--bu-blue-dark); }
.page-header .crumb { font-size: .78rem; color: var(--bu-muted); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.card { border: 1px solid var(--bu-border); border-radius: .7rem; box-shadow: 0 1px 2px rgba(16,24,40,.04); }
.card-header { background: #fff; border-bottom: 1px solid var(--bu-border); font-weight: 600; color: var(--bu-blue-dark);
  border-radius: .7rem .7rem 0 0 !important; }
.table { --bs-table-hover-bg: var(--bu-blue-light); margin-bottom: 0; }
.table thead th { background: #f7f9fd; color: var(--bu-muted); font-size: .74rem; text-transform: uppercase;
  letter-spacing: .05em; font-weight: 700; border-bottom-width: 1px; white-space: nowrap; }
.table td { vertical-align: middle; }
.table a.row-link { color: inherit; text-decoration: none; font-weight: 600; }
.table a.row-link:hover { color: var(--bu-blue); text-decoration: underline; }
.badge-status { font-weight: 600; letter-spacing: .02em; }

.kpi { background: #fff; border: 1px solid var(--bu-border); border-radius: .8rem; padding: 1rem 1.1rem; height: 100%;
  position: relative; overflow: hidden; }
.kpi::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--bu-blue); }
.kpi.red::before { background: var(--bu-red); } .kpi.gold::before { background: var(--bu-gold); }
.kpi .label { color: var(--bu-muted); font-size: .76rem; text-transform: uppercase; letter-spacing: .06em; font-weight: 700; }
.kpi .value { font-size: 1.8rem; font-weight: 800; color: var(--bu-blue-dark); line-height: 1.2; font-variant-numeric: tabular-nums; }
.kpi .sub { color: var(--bu-muted); font-size: .8rem; }
.kpi i.kpi-icon { position: absolute; right: .9rem; top: .9rem; font-size: 1.6rem; color: var(--bu-blue-light); }

.bar-row { display: grid; grid-template-columns: minmax(90px, 40%) 1fr auto; gap: .6rem; align-items: center; margin-bottom: .45rem; font-size: .84rem; }
.bar-row .track { background: var(--bu-blue-light); border-radius: 4px; height: 10px; overflow: hidden; }
.bar-row .fill { background: var(--bu-blue); height: 100%; border-radius: 4px; }
.bar-row .num { font-variant-numeric: tabular-nums; font-weight: 600; min-width: 2.5rem; text-align: right; }

.dl-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: .9rem 1.5rem; margin: 0; }
.dl-grid dt { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--bu-muted); font-weight: 700; }
.dl-grid dd { margin: .1rem 0 0; font-weight: 500; word-break: break-word; }

.profile-hero { background: linear-gradient(120deg, var(--bu-blue-dark), var(--bu-blue)); color: #fff; border-radius: .8rem;
  padding: 1.3rem 1.5rem; display: flex; gap: 1.2rem; align-items: center; flex-wrap: wrap; border-bottom: 4px solid var(--bu-gold); }
.profile-hero .avatar { width: 84px; height: 84px; border-radius: 50%; background: #fff; color: var(--bu-blue); display: grid;
  place-items: center; font-size: 2rem; font-weight: 800; object-fit: cover; border: 3px solid var(--bu-gold); }
.profile-hero h2 { margin: 0; font-weight: 800; font-size: 1.4rem; }
.profile-hero .meta { opacity: .9; font-size: .88rem; }

.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { position: relative; padding: 0 0 1rem 1.6rem; }
.timeline li::before { content: ""; position: absolute; left: .4rem; top: .35rem; bottom: -.35rem; width: 2px; background: var(--bu-border); }
.timeline li:last-child::before { display: none; }
.timeline li .dot { position: absolute; left: 0; top: .2rem; width: 1rem; height: 1rem; border-radius: 50%; background: #fff; border: 3px solid var(--bu-muted); }
.timeline li .dot.approved { border-color: #198754; } .timeline li .dot.rejected { border-color: var(--bu-red); }
.timeline li .dot.pending { border-color: var(--bu-gold); }

.filters .form-select, .filters .form-control { min-width: 140px; }
.nav-tabs .nav-link { color: var(--bu-muted); font-weight: 600; }
.nav-tabs .nav-link.active { color: var(--bu-blue); border-bottom: 3px solid var(--bu-blue); }
.form-label { font-weight: 600; font-size: .84rem; color: #344054; }
.form-text { font-size: .76rem; }
.section-title { font-size: .8rem; text-transform: uppercase; letter-spacing: .07em; color: var(--bu-blue); font-weight: 800;
  border-bottom: 2px solid var(--bu-blue-light); padding-bottom: .35rem; margin: 1.25rem 0 .9rem; }
.leave-cal td.on { background: var(--bu-blue); } .leave-cal td.hol { background: #fff3cd; } .leave-cal td.we { background: #f1f3f8; }
.leave-cal td, .leave-cal th { padding: .2rem; min-width: 22px; text-align: center; font-size: .72rem; }

/* ---------- Auth & public ---------- */
.auth-wrap { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 1fr; }
.auth-brand { background: linear-gradient(150deg, var(--bu-blue-dark), var(--bu-blue) 70%); color: #fff; padding: 3rem;
  display: flex; flex-direction: column; justify-content: center; position: relative; overflow: hidden; }
.auth-brand::after { content: ""; position: absolute; right: -120px; bottom: -120px; width: 380px; height: 380px; border-radius: 50%;
  border: 40px solid rgba(242,197,0,.18); }
.auth-brand img { width: 120px; background: #fff; border-radius: 50%; padding: 4px; }
.auth-brand h1 { font-weight: 800; font-size: 2.3rem; margin-top: 1.25rem; }
.auth-brand .motto { color: var(--bu-gold); font-style: italic; font-size: 1.15rem; }
.auth-form { display: flex; align-items: center; justify-content: center; padding: 2rem; background: #fff; }
.auth-form .inner { width: 100%; max-width: 380px; }
@media (max-width: 767.98px) { .auth-wrap { grid-template-columns: 1fr; } .auth-brand { padding: 2rem; } .auth-brand h1 { font-size: 1.6rem; } }
.public-header { background: #fff; border-bottom: 4px solid var(--bu-blue); }
.public-header img { height: 56px; }

/* ---------- Payslip (print) ---------- */
.payslip { background: #fff; max-width: 860px; margin: 0 auto; border: 1px solid var(--bu-border); border-radius: .5rem; padding: 1.75rem; }
.payslip .head { display: flex; justify-content: space-between; align-items: center; border-bottom: 3px solid var(--bu-blue); padding-bottom: 1rem; }
.payslip .head img { height: 64px; }
.payslip table td, .payslip table th { padding: .3rem .5rem; }
.payslip .net { background: var(--bu-blue); color: #fff; border-radius: .4rem; padding: .8rem 1rem; font-size: 1.2rem; font-weight: 800; }
@media print {
  .app-sidebar, .app-topbar, .app-footer, .no-print, .page-header .actions { display: none !important; }
  .app-main { margin: 0; } .app-content { padding: 0; } body { background: #fff; }
  .payslip { border: none; }
}
.nav-pills { --bs-nav-pills-link-active-bg: var(--bu-blue); --bs-nav-link-color: var(--bu-blue); }