/* NuboCampus v0.1.9.20 - Unified premium portal UI */
:root {
  --nubo-ink: #0f172a;
  --nubo-ink-soft: #334155;
  --nubo-muted: #64748b;
  --nubo-line: rgba(148, 163, 184, .24);
  --nubo-blue: #2563eb;
  --nubo-cyan: #38bdf8;
  --nubo-violet: #7c3aed;
  --nubo-gold: #f59e0b;
  --nubo-emerald: #14b8a6;
  --nubo-card: rgba(255,255,255,.92);
  --nubo-glass: rgba(255,255,255,.76);
  --nubo-shadow: 0 24px 70px rgba(15, 23, 42, .09);
  --nubo-shadow-lg: 0 34px 100px rgba(15, 23, 42, .15);
}
body {
  background:
    radial-gradient(circle at 8% 0%, rgba(37,99,235,.08), transparent 26rem),
    radial-gradient(circle at 95% 8%, rgba(124,58,237,.06), transparent 28rem),
    linear-gradient(180deg, #f8fafc 0%, #ffffff 44%, #f6f9ff 100%);
}
.site-header {
  background: rgba(255,255,255,.82);
  border-bottom: 1px solid rgba(226,232,240,.74);
  box-shadow: 0 12px 36px rgba(15,23,42,.045);
}
.brand-logo-horizontal,
.brand-logo-platform { max-width: 240px; max-height: 52px; }
.brand-logo { object-fit: contain; }
.nav-links a:not(.btn) {
  border-radius: 999px;
  padding: .45rem .15rem;
}
.nav-links .theme-switch {
  padding: .42rem .72rem !important;
  border: 1px solid rgba(148,163,184,.24);
  background: rgba(248,250,252,.7);
}
body.theme-dark .nav-links .theme-switch {
  background: rgba(30,41,59,.72);
}

/* Shared dashboard surfaces */
.dashboard,
.trainer-portal,
.admin-dashboard-premium,
.section:has(.admin-page-hero),
.section:has(.tenant-filter-bar),
.section:has(.portal-hero-card) {
  position: relative;
}
.portal-hero-card,
.admin-page-hero,
.dashboard .portal-hero-card {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(191,219,254,.28);
  border-radius: 2rem;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  background:
    radial-gradient(circle at 10% 0%, rgba(59,130,246,.24), transparent 22rem),
    radial-gradient(circle at 90% 8%, rgba(124,58,237,.14), transparent 20rem),
    linear-gradient(135deg, rgba(255,255,255,.98), rgba(248,250,252,.90));
  box-shadow: var(--nubo-shadow-lg);
  margin-bottom: 1.3rem;
}
.portal-hero-card::before,
.admin-page-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 6px;
  background: linear-gradient(90deg, var(--nubo-blue), var(--nubo-violet), var(--nubo-gold));
}
.portal-hero-card h1,
.admin-page-hero h1,
.section > .container > h1 {
  color: var(--nubo-ink);
  font-size: clamp(2rem, 4.2vw, 3.8rem);
  line-height: .98;
  letter-spacing: -.055em;
  margin: .6rem 0 .4rem;
}
.portal-hero-actions,
.admin-actions,
.admin-title-row,
.inline-actions,
.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: .65rem;
  align-items: center;
}
.portal-hero-actions,
.admin-actions { justify-content: flex-end; }

.card,
.metric-card,
.shortcut-card,
.table-wrap,
.admin-filter,
.admin-form,
.account-panel,
.account-access-card,
.package-card,
.package-edit-card,
.tenant-admin-card,
.tenant-info-box,
.lms-module-studio,
.lms-lesson-card,
.student-module-card,
.lesson-list-item,
.assignment-list-item,
.receipt-card {
  border-color: var(--nubo-line) !important;
  box-shadow: var(--nubo-shadow);
}
.card,
.metric-card,
.shortcut-card,
.admin-filter,
.admin-form,
.account-panel,
.account-access-card,
.table-wrap {
  background:
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,252,.90));
  backdrop-filter: blur(16px);
}
.grid-4,
.metric-grid.grid-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.metric-grid { gap: 1rem; margin: 1.25rem 0; }
.metric-card {
  position: relative;
  overflow: hidden;
  padding: 1.1rem;
  border-radius: 1.35rem;
  background:
    radial-gradient(circle at 10% 0%, rgba(37,99,235,.12), transparent 11rem),
    linear-gradient(180deg, #fff, #f8fafc);
}
.metric-card::after {
  content: "";
  position: absolute;
  right: -3.5rem;
  top: -3.5rem;
  width: 8rem;
  height: 8rem;
  border-radius: 999px;
  background: radial-gradient(circle, rgba(37,99,235,.16), transparent 66%);
}
.metric-card span { display:block; color: var(--nubo-muted); font-weight: 850; font-size: .82rem; text-transform: uppercase; letter-spacing: .045em; }
.metric-card strong { display:block; color: var(--nubo-ink); font-size: clamp(1.75rem, 3vw, 2.5rem); line-height: 1; letter-spacing: -.05em; margin-top: .38rem; }
.metric-card-accent { background: radial-gradient(circle at 10% 0%, rgba(245,158,11,.20), transparent 11rem), linear-gradient(180deg,#fff,#fff7ed); }

.portal-shortcuts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .9rem;
  margin: 1.1rem 0 1.4rem;
}
.shortcut-card {
  position: relative;
  overflow: hidden;
  text-decoration: none;
  min-height: 145px;
  border-radius: 1.35rem;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.shortcut-card::before {
  content: "";
  display: inline-grid;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: .9rem;
  margin-bottom: .85rem;
  background: linear-gradient(135deg, var(--nubo-blue), var(--nubo-violet));
  box-shadow: 0 16px 34px rgba(37,99,235,.18);
}
.shortcut-card::after {
  content: "→";
  position: absolute;
  top: 1.15rem;
  right: 1.15rem;
  color: var(--nubo-blue);
  font-weight: 950;
}
.shortcut-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 30px 80px rgba(15,23,42,.13);
  border-color: rgba(37,99,235,.24) !important;
}
.shortcut-card strong { display:block; color: var(--nubo-ink); font-size: 1.05rem; letter-spacing: -.02em; }
.shortcut-card span { display:block; color: var(--nubo-muted); margin-top:.38rem; font-size:.93rem; }

.table-wrap {
  overflow: hidden;
  border-radius: 1.25rem;
  border: 1px solid var(--nubo-line);
}
.table { border-collapse: separate; border-spacing: 0; width: 100%; }
.table th {
  background: linear-gradient(180deg, rgba(248,250,252,.98), rgba(241,245,249,.95));
  color: #475569;
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.table td, .table th { padding: .9rem .95rem; }
.table tr:hover td { background: rgba(37,99,235,.035); }

.admin-title-row,
.section-heading-row,
.list-meta-row {
  border-radius: 1.35rem;
}
.admin-title-row h2,
.section-heading h2,
.section-heading-row h2 { letter-spacing: -.04em; }
.form input,
.form textarea,
.form select,
.admin-form input,
.admin-form textarea,
.admin-form select,
.package-edit-card input,
.package-edit-card textarea,
.package-edit-card select {
  border-radius: 1rem !important;
}
.btn-danger,
.button-danger {
  background: linear-gradient(135deg, #dc2626, #b91c1c) !important;
  color: #fff !important;
}

/* Admin specific */
body:has(a[href="/admin/index.php"]) .admin-page-hero,
.admin-page-hero {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: flex-start;
}
.admin-dashboard-grid .card,
.admin-dashboard-premium .card,
.admin-index-grid .card {
  min-height: 180px;
}

/* Trainer studio */
.lms-studio-hero,
.learning-hero,
.student-course-hero {
  border-radius: 2rem !important;
  box-shadow: var(--nubo-shadow-lg) !important;
}
.lms-studio-layout { gap: 1rem; }
.lms-studio-sidebar,
.lms-module-studio,
.lms-create-card {
  border-radius: 1.55rem !important;
}
.lms-module-nav a,
.lms-lesson-card,
.lms-material-card {
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.lms-module-nav a:hover,
.lms-lesson-card:hover,
.lms-material-card:hover {
  transform: translateY(-2px);
  border-color: rgba(37,99,235,.25) !important;
  box-shadow: 0 24px 54px rgba(15,23,42,.10);
}

/* Student portal */
.learning-shell,
.dashboard-v015 {
  background:
    radial-gradient(circle at 10% 0%, rgba(37,99,235,.08), transparent 25rem),
    linear-gradient(180deg, #f8fafc, #ffffff);
}
.material-download-item,
.assignment-list-item,
.lesson-list-item {
  border-radius: 1.15rem !important;
}
.receipt-card {
  border-radius: 1.6rem !important;
}
.receipt-head strong { color: var(--nubo-blue); }

/* Tenant public landing cards inherited from public homepage */
.tenant-premium-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(5rem, 8vw, 8rem) 0 clamp(4rem, 7vw, 6.5rem);
  background:
    radial-gradient(circle at 8% 4%, rgba(96, 165, 250, .30), transparent 24rem),
    radial-gradient(circle at 88% 10%, rgba(124, 58, 237, .23), transparent 25rem),
    linear-gradient(135deg, #030712 0%, #071327 42%, #0f172a 100%);
  color: #f8fafc;
  isolation: isolate;
}
.tenant-premium-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,.052) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255,255,255,.04) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, rgba(0,0,0,.9), transparent 86%);
  pointer-events: none;
  z-index: -2;
}
.tenant-premium-orb { position:absolute; width:20rem; height:20rem; border-radius:999px; filter:blur(44px); opacity:.28; pointer-events:none; z-index:-1; }
.tenant-premium-orb-one { top:8%; right:12%; background: var(--brand-primary, #2563eb); }
.tenant-premium-orb-two { bottom:-6%; left:8%; background: var(--brand-accent, #f59e0b); }
.tenant-premium-grid { display:grid; grid-template-columns:minmax(0,1.08fr) minmax(360px,.92fr); gap:clamp(2rem,5vw,4.5rem); align-items:center; }
.tenant-premium-copy h1 { margin:1.1rem 0 1rem; font-size:clamp(2.2rem,5vw,4.8rem); line-height:.98; letter-spacing:-.06em; color:#fff; max-width:720px; }
.tenant-campus-showcase { position:relative; border:1px solid rgba(191,219,254,.22); border-radius:2.2rem; padding:1rem; background:linear-gradient(180deg,rgba(255,255,255,.16),rgba(255,255,255,.065)),rgba(15,23,42,.58); box-shadow:0 35px 110px rgba(0,0,0,.38), inset 0 1px 0 rgba(255,255,255,.16); backdrop-filter:blur(20px); }
.tenant-campus-card-main { min-height:280px; padding:1.45rem; border:1px solid rgba(255,255,255,.12); border-radius:1.55rem; background:radial-gradient(circle at 12% 8%, rgba(59,130,246,.35), transparent 13rem), linear-gradient(145deg,rgba(15,23,42,.94),rgba(30,41,59,.82)); }
.tenant-campus-brand-chip { display:inline-flex; border-radius:999px; padding:.36rem .7rem; color:#dbeafe; background:rgba(37,99,235,.20); border:1px solid rgba(147,197,253,.24); font-weight:900; font-size:.82rem; }
.tenant-campus-card-main h2 { color:#fff; font-size:clamp(1.6rem,3vw,2.45rem); line-height:1.02; letter-spacing:-.04em; margin:1.2rem 0 .75rem; }
.tenant-campus-card-main p { color:#cbd5e1; margin:0; max-width:420px; }
.tenant-campus-metrics { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:.7rem; margin-top:1.3rem; }
.tenant-campus-metrics div { padding:.9rem; border-radius:1rem; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.12); }
.tenant-campus-metrics strong,.tenant-campus-metrics span { display:block; }
.tenant-campus-metrics strong { color:#fff; font-size:1.2rem; }
.tenant-campus-metrics span { color:#cbd5e1; font-size:.76rem; }
.tenant-course-section { background: linear-gradient(180deg, #f8fafc, #eef4ff); }
.tenant-course-grid { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:1rem; }
.tenant-course-card { position:relative; display:flex; flex-direction:column; min-height:100%; padding:1.35rem; border:1px solid rgba(148,163,184,.20); border-radius:1.6rem; background:radial-gradient(circle at 18% 0%, rgba(37,99,235,.10), transparent 18rem), linear-gradient(180deg,rgba(255,255,255,.99),rgba(248,250,252,.94)); box-shadow:0 26px 74px rgba(15,23,42,.085); overflow:hidden; }
.tenant-course-card::before { content:""; position:absolute; inset:0 0 auto 0; height:6px; background:linear-gradient(90deg, var(--brand-primary,#2563eb), var(--brand-accent,#f59e0b)); }
.tenant-course-card h3 { color:#0f172a; font-size:1.38rem; letter-spacing:-.035em; margin:1rem 0 .5rem; }
.tenant-course-card p { color:#475569; }
.tenant-course-topline { display:flex; align-items:center; justify-content:space-between; gap:.75rem; }
.tenant-course-topline small { color:#64748b; font-weight:800; }
.tenant-empty-catalog { max-width:760px; }

/* Dark mode */
body.theme-dark {
  background:
    radial-gradient(circle at 12% 0%, rgba(37,99,235,.18), transparent 28rem),
    radial-gradient(circle at 92% 5%, rgba(124,58,237,.13), transparent 28rem),
    linear-gradient(180deg, #050b14, #0f172a 48%, #111827);
}
body.theme-dark .portal-hero-card,
body.theme-dark .admin-page-hero,
body.theme-dark .card,
body.theme-dark .metric-card,
body.theme-dark .shortcut-card,
body.theme-dark .admin-filter,
body.theme-dark .admin-form,
body.theme-dark .account-panel,
body.theme-dark .account-access-card,
body.theme-dark .table-wrap,
body.theme-dark .tenant-course-card {
  background: linear-gradient(180deg, rgba(17,28,50,.96), rgba(15,23,42,.94));
  border-color: rgba(148,163,184,.18) !important;
  box-shadow: 0 22px 70px rgba(0,0,0,.28);
}
body.theme-dark .portal-hero-card h1,
body.theme-dark .admin-page-hero h1,
body.theme-dark .section > .container > h1,
body.theme-dark .metric-card strong,
body.theme-dark .shortcut-card strong,
body.theme-dark .tenant-course-card h3 {
  color: #f8fafc;
}
body.theme-dark .shortcut-card span,
body.theme-dark .tenant-course-card p,
body.theme-dark .tenant-course-topline small {
  color: #cbd5e1;
}
body.theme-dark .table th { background: rgba(15,23,42,.92); color: #cbd5e1; }
body.theme-dark .table tr:hover td { background: rgba(59,130,246,.08); }
body.theme-dark .tenant-course-section,
body.theme-dark .learning-shell,
body.theme-dark .dashboard-v015 { background: linear-gradient(180deg,#08111f,#0c1728); }

@media (max-width: 1080px) {
  .portal-shortcuts,
  .tenant-course-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .grid-4,
  .metric-grid.grid-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .tenant-premium-grid { grid-template-columns: 1fr; }
  .tenant-campus-showcase { max-width: 640px; }
}
@media (max-width: 720px) {
  .portal-shortcuts,
  .tenant-course-grid,
  .grid-4,
  .metric-grid.grid-4 { grid-template-columns: 1fr; }
  .portal-hero-card,
  .admin-page-hero { border-radius: 1.35rem; }
  .portal-hero-actions,
  .admin-actions { justify-content: flex-start; }
  .tenant-premium-hero { padding-top: 4.5rem; }
  .tenant-premium-copy h1 { font-size: clamp(2rem, 10vw, 3rem); }
  .tenant-campus-metrics { grid-template-columns: 1fr; }
}