:root {
  /* Atenda-aligned palette — solid colors only, no gradients */
  --bg: #ffffff;
  --card: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: #e8eaf1;
  --primary: #e11d48;
  --primary-dark: #be123c;
  --green: #15803d;
  --amber: #d97706;
  --purple: #7c3aed;
  --teal: #0d9488;
  --rose: #e11d48;
  --soft-blue: #fff1f2;
  --soft-green: #dcfce7;
  --soft-amber: #fffbeb;
  --soft-purple: #f5f3ff;
  --soft-teal: #f0fdfa;
  --soft-rose: #ffe4e6;
  --radius: 20px;
  --shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 8px 24px -16px rgba(15, 23, 42, .10);
}

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

html, body { max-width: 100%; overflow-x: hidden; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.muted { color: var(--muted); }
.hint { font-size: 0.86rem; color: var(--muted); }

.topbar {
  background: rgba(255, 255, 255, .82);
  border-bottom: 1px solid rgba(226, 229, 238, .7);
  box-shadow: none;
  backdrop-filter: saturate(1.5) blur(16px);
  -webkit-backdrop-filter: saturate(1.5) blur(16px);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; color: var(--ink); }
.brand-logo { width: 36px; height: 36px; }
.navbar-toggler { border: 1px solid var(--line); color: var(--ink); }
.nav-link { color: #475569; font-weight: 500; border-radius: 14px; margin: 2px; }
.nav-link:hover { background: #f3f4f8; color: var(--ink); }
.nav-link.active, .nav-link:focus { color: var(--primary-dark); background: var(--soft-blue); }

.page-wrap { padding-top: 22px; padding-bottom: 40px; flex: 1 0 auto; min-width: 0; max-width: 100%; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.btn-primary { background: var(--primary); border-color: var(--primary); border-radius: 14px; font-weight: 600; }
.btn-primary:hover, .btn-primary:focus { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-outline {
  background: #fff; border: 1px solid var(--line); color: var(--ink); border-radius: 14px; font-weight: 600;
}
.btn-outline:hover { background: #f8f9fc; color: var(--ink); border-color: #d9dce6; }
.btn-danger { border-radius: 14px; background: var(--primary); border-color: var(--primary); }
.btn-danger:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-sm { border-radius: 10px; }

.form-control, .form-select { border-radius: 14px; border-color: var(--line); background: #fff; color: var(--ink); }
.form-control:focus, .form-select:focus {
  border-color: #fda4af;
  box-shadow: 0 0 0 4px rgba(225, 29, 72, 0.12);
}
.pin-input { letter-spacing: 0.6em; text-align: center; font-size: 1.5rem; font-weight: 700; }
.pin-inline { max-width: 110px; }

.badge-soft {
  display: inline-block; background: var(--soft-blue); color: var(--primary-dark);
  border-radius: 999px; padding: 2px 12px; font-size: 0.8rem; font-weight: 600;
}
.count-pill {
  display: inline-block; background: var(--soft-green); color: #15803d;
  border-radius: 999px; padding: 1px 10px; font-size: 0.78rem; font-weight: 700;
}
.badge-ok { background: var(--soft-green); color: #15803d; }
.badge-late { background: #ffe4e6; color: #be123c; }
.badge-due { background: var(--soft-amber); color: #b45309; }
.due-line { font-size: 0.85rem; margin-top: 4px; }
.late-banner {
  background: #fff1f2; border: 1px solid #fecdd3; color: #9f1239;
  border-radius: 14px; padding: 10px 14px; margin-bottom: 12px;
}

.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.page-head h1, .page-head h2 { letter-spacing: -.02em; }

.stat-grid { display: flex; flex-wrap: wrap; gap: 12px; }
.stat-card { flex: 1 1 120px; min-width: 0; display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-left: 0; }
.stat-card.soft-blue,
.stat-card.soft-green,
.stat-card.soft-amber,
.stat-card.soft-purple,
.stat-card.soft-teal,
.stat-card.soft-rose { border-left-color: transparent; }
.stat-icon {
  width: 44px; height: 44px; border-radius: 13px; display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem; background: #f1f5f9; color: #334155; flex: 0 0 auto;
}
.soft-green .stat-icon,
.soft-amber .stat-icon,
.soft-purple .stat-icon,
.soft-teal .stat-icon,
.soft-rose .stat-icon,
.soft-blue .stat-icon { background: #f1f5f9; color: #334155; }
.stat-num { font-size: 1.5rem; font-weight: 800; line-height: 1.1; letter-spacing: -.02em; }
.stat-label { font-size: 0.82rem; color: var(--muted); font-weight: 600; }

.course-card { transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.15s ease; height: 100%; display: flex; flex-direction: column; }
.course-card:hover { transform: translateY(-2px); box-shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 12px 28px -16px rgba(15, 23, 42, .18); border-color: #d9dce6; }
.course-card .card-body { display: flex; flex-direction: column; flex: 1 1 auto; }
.course-card .course-desc { flex: 1 1 auto; min-height: 2.6em; }
.course-card .course-foot { margin-top: auto; padding-top: 10px; }
.equal-row > [class*="col-"] { display: flex; }
.equal-row > [class*="col-"] > .card { flex: 1 1 auto; width: 100%; }

.meeting-row { align-items: center; }
.meeting-row + .meeting-row { border-top: 1px solid var(--line); }

/* notice board status cards */
.notice-card { border-left: 5px solid var(--line); }
.notice-card.is-now { border-left-color: var(--green); }
.notice-card.is-now .card-body { background: #f0fdf4; border-radius: 0 var(--radius) var(--radius) 0; }
.notice-card.is-soon { border-left-color: var(--amber); }
.notice-card.is-past { opacity: 0.72; }
.notice-card.is-key { border: 2px solid var(--amber); box-shadow: 0 4px 18px rgba(217, 119, 6, 0.18); }
.notice-card.is-key.is-now { border-color: var(--green); box-shadow: 0 4px 18px rgba(21, 128, 61, 0.18); }
.badge-key { background: #fffbeb; color: #b45309; }
.badge-upcoming { background: var(--soft-blue); color: var(--primary-dark); }

.item-row {
  display: flex; justify-content: space-between; gap: 12px; align-items: flex-start;
  padding: 12px 4px; border-top: 1px solid var(--line); flex-wrap: wrap;
}
.item-row:first-of-type { border-top: none; }
.item-main { flex: 1 1 260px; min-width: 0; }
.item-actions { display: flex; gap: 6px; flex-wrap: wrap; }

.file-chip {
  display: inline-flex; align-items: center; gap: 6px; background: var(--soft-blue);
  border-radius: 999px; padding: 3px 6px 3px 12px; margin: 3px 4px 3px 0; font-size: 0.85rem;
}
.file-chip a { color: var(--primary-dark); }
.file-chip-lg { padding: 6px 8px 6px 12px; }
.file-chip-lg .btn { padding: 1px 10px; font-size: 0.8rem; }
.my-subs { margin-top: 6px; }

.avatar-sm { width: 34px; height: 34px; border-radius: 50%; object-fit: cover; }
.avatar-fallback {
  display: inline-flex; align-items: center; justify-content: center; color: #fff;
  font-weight: 700; font-size: 0.8rem;
  background: #0f172a;
}
.user-chip { display: flex; align-items: center; gap: 8px; }

.chart-svg { width: 100%; height: auto; display: block; }
.chart-svg .bar { animation: grow 0.9s ease both; transform-origin: bottom; transform-box: fill-box; }
.chart-card .card-body { min-width: 0; }
.chart-scroll { overflow-x: auto; overflow-y: hidden; max-width: 100%; padding-bottom: 4px; }
.chart-scroll .chart-bar { min-width: 300px; max-height: 210px; }
.chart-donut { max-width: 170px; max-height: 170px; margin: 0 auto; }
.donut-wrap { display: flex; justify-content: center; }
.chart-scroll::-webkit-scrollbar { height: 6px; }
.chart-scroll::-webkit-scrollbar-thumb { background: var(--line); border-radius: 999px; }
.legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; font-size: 0.82rem; color: var(--muted); }
.legend-item { display: inline-flex; align-items: center; gap: 6px; }
.dot { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }

/* login stage */
.login-stage { position: relative; display: flex; justify-content: center; align-items: center; min-height: calc(100vh - 220px); padding: 20px 0; overflow: hidden; }
.login-card { width: 100%; max-width: 430px; padding: 28px; z-index: 2; border-radius: 24px; }
.login-head { text-align: center; margin-bottom: 14px; }
.login-logo { width: 64px; height: 64px; }
.login-head h1 { font-size: 1.5rem; margin: 8px 0 2px; letter-spacing: -.02em; }
.float-shape { position: absolute; border-radius: 50%; opacity: 0.45; z-index: 1; }
.float-shape.s1 { width: 150px; height: 150px; background: #ffe4e6; top: -30px; left: 4%; animation: drift 9s ease-in-out infinite; opacity: .35; }
.float-shape.s2 { width: 110px; height: 110px; background: #f1f5f9; bottom: -20px; right: 6%; animation: drift 11s ease-in-out infinite reverse; opacity: .5; }
.float-shape.s3 { width: 70px; height: 70px; background: #fff1f2; top: 40%; right: 14%; animation: drift 7s ease-in-out infinite; opacity: .4; }

/* animations */
@keyframes drift {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-22px) scale(1.06); }
}
@keyframes pop-in {
  from { opacity: 0; transform: translateY(16px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
@keyframes fade-up {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: none; }
}
@keyframes grow {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}
.anim-pop { animation: pop-in 0.45s ease both; }
.anim-in { animation: fade-up 0.5s ease both; }

.err-code { font-size: 4rem; font-weight: 800; color: var(--primary); opacity: 0.35; }
.maint-icon { font-size: 3rem; color: var(--amber); }

.footer { border-top: 1px solid var(--line); background: rgba(255,255,255,.9); padding: 14px 0; color: var(--muted); font-size: 0.88rem; }
.footer .container { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 6px; }

/* course info small cards */
.info-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 10px; margin-top: 10px; }
.info-card { border: 1px solid var(--line); border-radius: 14px; padding: 10px 12px; background: #fff; }
.info-card.soft-blue { background: var(--soft-blue); border-color: transparent; }
.info-card.soft-green { background: var(--soft-green); border-color: transparent; }
.info-card.soft-amber { background: var(--soft-amber); border-color: transparent; }
.info-card.soft-purple { background: var(--soft-purple); border-color: transparent; }
.info-card.soft-teal { background: var(--soft-teal); border-color: transparent; }
.info-card.soft-rose { background: var(--soft-rose); border-color: transparent; }
.info-head { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.04em; color: var(--primary-dark); margin-bottom: 4px; }
.info-text { font-size: 0.86rem; color: var(--ink); line-height: 1.45; }

/* course picker checkboxes */
.enroll-pick { display: flex; align-items: center; gap: 10px; border: 1px solid var(--line); border-radius: 14px; padding: 9px 12px; cursor: pointer; background: #fff; font-size: 0.92rem; }
.enroll-pick:hover { background: var(--soft-blue); }
.enroll-pick input { width: 18px; height: 18px; flex: 0 0 auto; }

@media (max-width: 576px) {
  .page-head { flex-direction: column; }
  .login-card { padding: 20px; }
  .page-wrap { padding-bottom: 96px; }
  .footer { padding-bottom: 80px; }
}

/* Keep wide tables/charts scrollable instead of stretching the page */
.row > [class*="col"] { min-width: 0; }
.table-responsive { width: 100%; min-width: 0; max-width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.card-body { min-width: 0; }
.card { min-width: 0; }

/* app-like bottom nav - phones only, icons, no text */
.bottom-nav { display: none; }
@media (max-width: 576px) {
  .bottom-nav {
    display: flex; justify-content: space-around; align-items: center;
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 1030;
    background: var(--card); border-top: 1px solid var(--line);
    box-shadow: 0 -2px 12px rgba(15, 23, 42, 0.08);
    padding: 6px 4px calc(8px + env(safe-area-inset-bottom));
  }
  .bottom-nav a {
    position: relative; flex: 1 1 0; text-align: center;
    font-size: 1.45rem; color: var(--muted); padding: 6px 0; border-radius: 12px;
  }
  .bottom-nav a.active { color: var(--primary-dark); background: var(--soft-blue); }
  .bottom-dot {
    position: absolute; top: 0; left: calc(50% + 2px);
    background: #e11d48; color: #fff; font-size: 0.62rem; font-weight: 700;
    border-radius: 999px; padding: 0 5px; line-height: 1.5;
  }
}

/* ---- lecturer dashboard quick cards ------------------------------------- */
.lecturer-quick { margin-top: 1.6rem; }
.quick-card { border-radius: 20px; overflow: hidden; }
.quick-card .card-body { display: flex; flex-direction: column; padding: 1.2rem 1.25rem 1.05rem; }
.quick-head { display: flex; align-items: center; gap: .9rem; padding-bottom: .95rem; border-bottom: 1px solid var(--line); margin-bottom: .35rem; }
.quick-icon { width: 48px; height: 48px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.35rem; flex: 0 0 auto; }
.quick-count { font-size: 1.7rem; font-weight: 800; line-height: 1; letter-spacing: -.02em; }
.quick-label { font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-top: .2rem; font-weight: 700; }
.quick-card-blue .quick-icon { background: var(--soft-blue); color: var(--primary-dark); }
.quick-card-green .quick-icon { background: var(--soft-green); color: #15803d; }
.quick-card-amber .quick-icon { background: var(--soft-amber); color: #b45309; }
.quick-item { display: flex; justify-content: space-between; align-items: center; gap: .75rem; padding: .65rem 0; border-top: 1px solid var(--line); }
.quick-item:first-of-type { border-top: 0; }
.quick-item-main { min-width: 0; }
.quick-item-title { font-weight: 600; font-size: .88rem; }
.quick-item-title a { color: var(--ink); }
.quick-item-sub { color: var(--muted); font-size: .75rem; }
.quick-empty { color: var(--muted); font-size: .85rem; padding: .85rem 0; }
.quick-link { display: inline-flex; align-items: center; gap: .4rem; margin-top: auto; padding-top: .9rem; font-size: .82rem; font-weight: 600; color: var(--primary-dark); }
.quick-link:hover { gap: .6rem; color: var(--primary); }

/* ---- course cards ------------------------------------------------------- */
.course-card { position: relative; border-radius: 20px; overflow: hidden; }
.course-card::before { content: ""; position: absolute; left: 0; right: 0; top: 0; height: 4px; background: var(--primary); opacity: 1; }
.course-card .card-body { padding: 1.3rem 1.3rem 1.05rem; }
.course-card .course-title { font-size: 1.02rem; font-weight: 700; line-height: 1.3; margin: .65rem 0 .35rem; letter-spacing: -.01em; }
.course-card .course-desc { margin-bottom: .7rem; }
.course-card .course-code { background: var(--soft-blue); color: var(--primary-dark); font-weight: 700; }
.course-meta { display: grid; gap: .42rem; margin: .6rem 0 .95rem; }
.course-meta > div { display: flex; align-items: center; gap: .5rem; font-size: .8rem; color: var(--muted); }
.course-meta i { color: var(--primary); width: 1rem; text-align: center; }
.course-card .course-foot { border-top: 1px solid var(--line); margin-top: auto; padding-top: 12px; }

/* Bootstrap alert / link accents to match Atenda rose */
.alert-primary { background: #fff1f2; border-color: #fecdd3; color: #9f1239; }
.alert-info { background: #f0f9ff; border-color: #bae6fd; color: #075985; }
a { color: var(--primary-dark); }
a:hover { color: var(--primary); }
.text-primary { color: var(--primary) !important; }
.bg-primary { background-color: var(--primary) !important; }
.table thead th {
  font-size: 11px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: #94a3b8;
  border-bottom-color: var(--line);
}
.table tbody tr:hover { background: #fafafd; }
.dropdown-menu {
  border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 24px 48px -20px rgba(15, 23, 42, .28);
}
.dropdown-item:hover, .dropdown-item:focus { background: #f3f4f8; color: var(--ink); }
.input-group-text { background: #f8fafc; border-color: var(--line); color: var(--muted); border-radius: 14px; }


/* Mobile app bottom nav */
@media (max-width: 576px) {
  .bottom-nav {
    display: flex !important;
    position: fixed;
    left: 0; right: 0; bottom: 0;
    z-index: 1040;
    background: rgba(255,255,255,.96);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid rgba(15,23,42,.08);
    padding: .35rem 0 max(.35rem, env(safe-area-inset-bottom));
    box-shadow: 0 -8px 24px rgba(15,23,42,.06);
  }
  .bottom-nav a {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 2px;
    padding: .35rem .2rem;
    color: #94a3b8;
    text-decoration: none;
    font-size: 10px;
    font-weight: 700;
  }
  .bottom-nav a i { font-size: 1.15rem; line-height: 1; }
  .bottom-nav a.active, .bottom-nav a.sb-home { color: #0f766e; }
  .page-wrap { padding-bottom: calc(4.5rem + env(safe-area-inset-bottom)) !important; }
  .footer { display: none; }
}


/* ---- no left/top accent colors on cards -------------------------------- */
.card, .stat-card, .course-card, .notice-card, .quick-card, .chart-card, .part-card {
  border-left: 0 !important;
  border-left-color: transparent !important;
}
.notice-card.is-now,
.notice-card.is-soon,
.notice-card.is-past,
.notice-card.is-key { border-left: 0 !important; box-shadow: none; }
.course-card::before { display: none !important; height: 0 !important; }
.stat-card.soft-blue,
.stat-card.soft-green,
.stat-card.soft-amber,
.stat-card.soft-purple,
.stat-card.soft-teal,
.stat-card.soft-rose { background: var(--card); border-left: 0 !important; }
.part-card .card-body { padding-top: .55rem; padding-bottom: .55rem; }

/* student-dash-compact-v1 */
.dash-stat-compact .stat-card { flex: 1 1 96px; padding: 10px 12px; gap: 10px; border-radius: 14px; }
.dash-stat-compact .stat-icon { width: 34px; height: 34px; border-radius: 10px; font-size: 1.05rem; }
.dash-stat-compact .stat-num { font-size: 1.2rem; }
.dash-stat-compact .stat-label { font-size: 0.72rem; }
.course-grid-compact { --bs-gutter-x: .55rem; --bs-gutter-y: .55rem; }
.course-card.course-card-sm { color: inherit; border-radius: 14px; box-shadow: 0 1px 2px rgba(15,23,42,.04); }
.course-card.course-card-sm:hover { transform: translateY(-2px); border-color: #cfd6e4; box-shadow: 0 10px 22px -16px rgba(15,23,42,.28); }
.course-card.course-card-sm .card-body { padding: .7rem .75rem .65rem; gap: .2rem; min-height: 0; }
.course-card.course-card-sm .course-card-top { display: flex; align-items: center; justify-content: space-between; gap: .4rem; }
.course-card.course-card-sm .course-code { font-size: .68rem; padding: .18rem .45rem; border-radius: 999px; }
.course-card.course-card-sm .course-items { font-size: .68rem; font-weight: 600; white-space: nowrap; }
.course-card.course-card-sm .course-items::after { content: " items"; font-weight: 500; opacity: .75; }
.course-card.course-card-sm .course-title {
  font-size: .86rem; font-weight: 750; line-height: 1.25; margin: .2rem 0 .15rem;
  letter-spacing: -.015em;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  min-height: 2.15em; color: var(--ink, #0f172a);
}
.course-card.course-card-sm .course-lecturer {
  font-size: .72rem; color: var(--muted, #64748b); line-height: 1.3;
  display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden;
  margin: 0 0 .15rem;
}
.course-card.course-card-sm .course-lecturer i { opacity: .7; margin-right: .15rem; }
.course-card.course-card-sm .course-desc { display: none; min-height: 0; }
.course-card.course-card-sm .course-foot {
  margin-top: .25rem; padding-top: .4rem; border-top: 1px solid var(--line, #e8ecf2);
  display: flex; justify-content: flex-end;
}
.course-card.course-card-sm .course-open {
  font-size: .72rem; font-weight: 700; color: var(--primary, #0f766e);
  display: inline-flex; align-items: center; gap: .2rem;
}
@media (max-width: 575.98px) {
  .course-card.course-card-sm .course-title { font-size: .8rem; min-height: 2em; }
  .course-card.course-card-sm .course-items::after { content: ""; }
}

/* hamburger-fix-v1 */
.topbar { position: relative; z-index: 1080; }
.navbar-toggler {
  position: relative; z-index: 1100; pointer-events: auto !important;
  cursor: pointer; min-width: 42px; min-height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  background: #fff; border-radius: 12px;
}
.navbar-toggler:focus { outline: 2px solid rgba(15,118,110,.35); outline-offset: 2px; }
@media (max-width: 991.98px) {
  .navbar-toggler { display: inline-flex !important; }
}