/* =====================================================================
   TARABA BUSINESS SCHOOL - Main Stylesheet
   Institutional palette: deep green #0B3D2E, gold #C9A227, clean white.
   ===================================================================== */

:root {
  --tbs-green: #0b3d2e;
  --tbs-green-dark: #072b21;
  --tbs-green-light: #0e5a43;
  --tbs-gold: #c9a227;
  --tbs-gold-light: #e9c95c;
  --tbs-bg: #f6f8f7;
  --tbs-border: #e3e8e5;
  --tbs-text: #263238;
  --tbs-muted: #6b7a74;
  --tbs-radius: 12px;
  --tbs-shadow: 0 2px 10px rgba(11, 61, 46, .08);
  --tbs-shadow-lg: 0 8px 28px rgba(11, 61, 46, .14);
}

* { -webkit-tap-highlight-color: transparent; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--tbs-bg);
  color: var(--tbs-text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-main { flex: 1 0 auto; }

/* ---- Typography & helpers ---- */
.brand-name { color: var(--tbs-green); font-weight: 700; letter-spacing: -.2px; }
.text-gold { color: var(--tbs-gold); }
.fw-semibold { font-weight: 600; }
a { color: var(--tbs-green-light); }
a:hover { color: var(--tbs-green); }

/* ---- Header ---- */
.site-header {
  background: linear-gradient(135deg, var(--tbs-green-dark) 0%, var(--tbs-green) 55%, var(--tbs-green-light) 100%);
  box-shadow: 0 2px 12px rgba(0,0,0,.18);
}
.site-header .navbar { min-height: 68px; }
.brand-logo { height: 42px; width: 42px; object-fit: contain; border-radius: 8px; background: #fff; padding: 3px; }
.brand-text .brand-name { color: #fff; font-size: 1.02rem; line-height: 1.15; }
.brand-sub { color: var(--tbs-gold-light); font-size: .68rem; letter-spacing: 1.5px; text-transform: uppercase; }
.site-header .nav-link { color: rgba(255,255,255,.85); font-weight: 500; font-size: .92rem; padding: .55rem .8rem !important; }
.site-header .nav-link:hover { color: #fff; }
.site-header .nav-link.active { color: var(--tbs-gold-light); font-weight: 700; }
.site-header .navbar-toggler { color: #fff; font-size: 1.6rem; }

.btn-accent { background: var(--tbs-gold); border-color: var(--tbs-gold); color: #1d2405; font-weight: 600; }
.btn-accent:hover, .btn-accent:focus { background: var(--tbs-gold-light); border-color: var(--tbs-gold-light); color: #1d2405; }
.btn-primary-soft { background: var(--tbs-green); border-color: var(--tbs-green); color: #fff; }
.btn-primary-soft:hover, .btn-primary-soft:focus { background: var(--tbs-green-light); border-color: var(--tbs-green-light); color: #fff; }
.btn-outline-primary-soft { border-color: var(--tbs-green); color: var(--tbs-green); }
.btn-outline-primary-soft:hover { background: var(--tbs-green); color: #fff; }

/* ---- Mobile menu (slides LEFT -> RIGHT) ---- */
.mobile-menu {
  width: 300px !important;
  max-width: 85vw;
  background: linear-gradient(180deg, var(--tbs-green-dark), var(--tbs-green));
  color: #fff;
  border-right: 3px solid var(--tbs-gold);
}
.mobile-menu .offcanvas-header { border-bottom: 1px solid rgba(255,255,255,.12); }
.mobile-menu .brand-name { color: #fff; }
.mobile-nav li { margin-bottom: 2px; }
.mobile-nav a {
  display: block; color: rgba(255,255,255,.88); text-decoration: none;
  padding: .72rem .85rem; border-radius: 8px; font-size: .95rem; font-weight: 500;
}
.mobile-nav a:hover { background: rgba(255,255,255,.08); color: #fff; }
.mobile-nav a.active { background: rgba(201,162,39,.22); color: var(--tbs-gold-light); font-weight: 700; }

/* ---- Hero / public pages ---- */
.hero {
  background: linear-gradient(140deg, var(--tbs-green-dark) 10%, var(--tbs-green) 60%, #126a4e 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; right: -120px; top: -120px; width: 420px; height: 420px;
  background: radial-gradient(circle, rgba(201,162,39,.25), transparent 65%);
  border-radius: 50%;
}
.hero h1 { font-weight: 800; letter-spacing: -.5px; }
.hero .lead { color: rgba(255,255,255,.85); max-width: 640px; }
.hero-card { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.15); border-radius: var(--tbs-radius); backdrop-filter: blur(4px); }

.section-title { font-weight: 800; color: var(--tbs-green); letter-spacing: -.3px; }
.section-sub { color: var(--tbs-muted); }
.gold-rule { width: 64px; height: 4px; background: var(--tbs-gold); border-radius: 4px; margin: .6rem auto 0; }

/* ---- Cards ---- */
.card { border: 1px solid var(--tbs-border); border-radius: var(--tbs-radius); box-shadow: var(--tbs-shadow); }
.card-header { background: #fff; border-bottom: 1px solid var(--tbs-border); }
.programme-card { transition: transform .18s ease, box-shadow .18s ease; height: 100%; }
.programme-card:hover { transform: translateY(-4px); box-shadow: var(--tbs-shadow-lg); }
.programme-card .card-body { display: flex; flex-direction: column; }
.icon-circle {
  width: 46px; height: 46px; border-radius: 12px; display: inline-flex; align-items: center; justify-content: center;
  background: rgba(11,61,46,.08); color: var(--tbs-green); font-size: 1.25rem; flex: 0 0 auto;
}
.stat-card { border-left: 4px solid var(--tbs-gold); }
.stat-card .stat-value { font-size: 1.7rem; font-weight: 800; color: var(--tbs-green); }
.stat-card .stat-label { color: var(--tbs-muted); font-size: .82rem; text-transform: uppercase; letter-spacing: .4px; }

/* ---- Forms ---- */
.form-label { font-weight: 600; font-size: .88rem; color: #3c4a44; }
.form-control, .form-select { border-radius: 8px; border-color: #d8dfdb; }
.form-control:focus, .form-select:focus { border-color: var(--tbs-green-light); box-shadow: 0 0 0 .2rem rgba(11,61,46,.12); }
.input-group-text { border-radius: 8px 0 0 8px; background: #eef3f0; color: var(--tbs-green); }
.toggle-password { border-radius: 0 8px 8px 0; }
.form-text { font-size: .75rem; }

/* ---- Auth pages ---- */
.auth-page { background: linear-gradient(135deg, var(--tbs-green-dark), var(--tbs-green) 60%, #126a4e); min-height: 100vh; }

/* Centered card (admin login) */
.auth-wrapper { max-width: 440px; margin: 0 auto; padding: 2rem 1rem; }
.auth-card { background: #fff; border-radius: 16px; padding: 1.5rem 1.75rem; box-shadow: 0 18px 50px rgba(0,0,0,.28); }
.auth-logo { height: 56px; width: 56px; object-fit: contain; border-radius: 12px; background: #fff; border: 1px solid var(--tbs-border); padding: 4px; }

/* Split brand + form layout (student login / register) */
.auth-split { display: flex; flex-direction: column; min-height: 100vh; }
.auth-brand-panel {
  background: linear-gradient(150deg, var(--tbs-green-dark) 5%, var(--tbs-green) 55%, var(--tbs-green-light) 100%);
  color: #fff; padding: .9rem 1.1rem; position: relative; overflow: hidden;
}
.auth-brand-panel::after {
  content: ""; position: absolute; right: -90px; top: -90px; width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(201,162,39,.28), transparent 65%); border-radius: 50%;
}
.abp-inner { position: relative; }
.abp-logo { height: 46px; width: 46px; object-fit: contain; border-radius: 11px; background: #fff; padding: 4px; border: 2px solid var(--tbs-gold); flex: 0 0 auto; }
.abp-name { font-weight: 800; letter-spacing: -.3px; font-size: 1.05rem; line-height: 1.15; }
.abp-tag { color: var(--tbs-gold-light); letter-spacing: 2.5px; text-transform: uppercase; font-size: .62rem; font-weight: 600; }
.abp-desc { color: rgba(255,255,255,.85); margin: 1.5rem 0; max-width: 460px; }
.abp-feat-list { flex-direction: column; gap: 1rem; }
.auth-brand-feat { display: flex; gap: .8rem; align-items: flex-start; }
.abf-icon {
  width: 38px; height: 38px; flex: 0 0 auto; border-radius: 10px; background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2); display: flex; align-items: center; justify-content: center;
  color: var(--tbs-gold-light); font-size: 1rem;
}
.abf-title { font-weight: 700; font-size: .88rem; }
.abf-sub { font-size: .76rem; color: rgba(255,255,255,.75); }
.abp-contact { margin-top: 1.5rem; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.18); font-size: .8rem; color: rgba(255,255,255,.82); }
.abp-contact div { margin-bottom: .25rem; }
.abp-contact i { color: var(--tbs-gold-light); }

.auth-form-panel { background: #fff; padding: 1rem 1.1rem 1.25rem; display: flex; align-items: center; justify-content: center; flex: 1; }
.auth-form-panel .auth-card { box-shadow: none; border: 1px solid var(--tbs-border); padding: 1.35rem 1.4rem; width: 100%; max-width: 460px; }

/* Compact controls inside auth forms to reduce page height */
.auth-card .mb-3 { margin-bottom: .65rem !important; }
.auth-card .mb-4 { margin-bottom: .9rem !important; }
.auth-card .mt-4 { margin-top: .9rem !important; }
.auth-card .form-label { font-size: .8rem; }
.auth-card .form-control { padding: .42rem .7rem; font-size: .9rem; }
.auth-card .input-group-text { font-size: .9rem; }
.auth-card .alert { padding: .55rem .85rem; font-size: .85rem; }
.auth-card .form-text { display: none; }

.success-check {
  width: 64px; height: 64px; border-radius: 50%; background: #d7f0e3; color: #157347;
  display: flex; align-items: center; justify-content: center; font-size: 2rem;
}

/* ---- Footer ---- */
.site-footer { background: var(--tbs-green-dark); color: rgba(255,255,255,.75); padding: 3.2rem 0 0; margin-top: 3rem; }
.footer-title { color: #fff; font-weight: 700; font-size: 1rem; margin-bottom: 1rem; }
.footer-text { font-size: .85rem; color: rgba(255,255,255,.65); }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: .55rem; font-size: .85rem; }
.footer-links a { color: rgba(255,255,255,.7); text-decoration: none; }
.footer-links a:hover { color: var(--tbs-gold-light); }
.footer-divider { border-color: rgba(255,255,255,.12); }

/* ---- Application progress steps ---- */
.steps-bar { display: flex; flex-wrap: wrap; gap: .4rem; }
.step-pill {
  display: inline-flex; align-items: center; gap: .45rem; padding: .45rem .9rem; border-radius: 30px;
  background: #fff; border: 1.5px solid var(--tbs-border); color: var(--tbs-muted); font-size: .82rem; font-weight: 600;
}
.step-pill .step-num {
  width: 22px; height: 22px; border-radius: 50%; background: #e8eeea; color: var(--tbs-muted);
  display: inline-flex; align-items: center; justify-content: center; font-size: .72rem; font-weight: 700;
}
.step-pill.active { border-color: var(--tbs-green); color: var(--tbs-green); background: rgba(11,61,46,.05); }
.step-pill.active .step-num { background: var(--tbs-green); color: #fff; }
.step-pill.done { border-color: #b7dec9; color: #157347; }
.step-pill.done .step-num { background: #d7f0e3; color: #157347; }

/* ---- Tables ---- */
.table { --bs-table-hover-bg: #f2f7f4; }
.table thead th { background: var(--tbs-green); color: #fff; font-size: .8rem; text-transform: uppercase; letter-spacing: .4px; border: none; padding: .7rem .75rem; white-space: nowrap; }
.table-responsive { border-radius: var(--tbs-radius); }
.table td { vertical-align: middle; font-size: .88rem; }

/* ---- Misc ---- */
.avatar-circle {
  width: 38px; height: 38px; border-radius: 50%; background: rgba(11,61,46,.1); color: var(--tbs-green);
  display: inline-flex; align-items: center; justify-content: center; font-weight: 700; font-size: .85rem;
}
.badge-status { font-size: .72rem; font-weight: 600; padding: .4em .7em; border-radius: 20px; }
.empty-state { text-align: center; padding: 3rem 1rem; color: var(--tbs-muted); }
.empty-state i { font-size: 3rem; opacity: .35; }
.doc-preview { max-width: 100%; max-height: 340px; border-radius: 8px; border: 1px solid var(--tbs-border); }
.toast-container { z-index: 2000; }

/* Print styles for acknowledgement slips & applications */
@media print {
  .site-header, .site-footer, .no-print, .btn, .steps-bar { display: none !important; }
  body { background: #fff !important; }
  .print-area { box-shadow: none !important; border: none !important; }
  .table thead th { background: #fff !important; color: #000 !important; border: 1px solid #ddd !important; }
  .table td { border: 1px solid #ddd !important; }
  @page { margin: 1.2cm; }
}

/* Desktop: landscape split auth layout */
@media (min-width: 992px) {
  .auth-split { flex-direction: row; }
  .auth-brand-panel { width: 44%; padding: 2.25rem 3rem; display: flex; align-items: center; }
  .auth-brand-panel .abp-inner { width: 100%; max-width: 440px; }
  .auth-brand-panel .abp-logo { height: 78px; width: 78px; }
  .auth-brand-panel .abp-name { font-size: 1.5rem; }
  .auth-form-panel { width: 56%; padding: 1rem 2rem; }
  .auth-card .form-text { display: block; }
}

/* Small screens */
@media (max-width: 767.98px) {
  .hero h1 { font-size: 1.7rem; }
  .auth-wrapper { padding: 1.25rem .9rem; }
  .auth-card { padding: 1.3rem; }
  .auth-form-panel { padding: .85rem .9rem 1rem; }
  .auth-form-panel .auth-card { padding: 1.15rem 1.1rem; }
  .brand-logo { height: 36px; width: 36px; }
  .table td, .table th { white-space: nowrap; }
}