/* =====================================================
   Basic AI Course LMS - Neubrutalist Design System
   Shared by public, student, admin, auth and RTL pages
   ===================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Space+Grotesk:wght@600;700&family=Space+Mono:wght@400;700&family=Syne:wght@700;800&display=swap');

:root {
  color-scheme: light;

  /* Structural palette */
  --nb-black: #111111;
  --nb-charcoal: #292929;
  --nb-white: #ffffff;
  --nb-cream: #fffdf5;
  --nb-muted: #5c5c5c;

  /* Brand and semantic accents */
  --nb-yellow: #ffd23f;
  --nb-pink: #ff6b6b;
  --nb-blue: #74b9ff;
  --nb-green: #88d498;
  --nb-orange: #ffa552;
  --nb-purple: #b8a9fa;
  --nb-yellow-light: #fff3b0;
  --nb-pink-light: #ffd6d6;
  --nb-blue-light: #d9ecff;
  --nb-green-light: #d9f4df;
  --nb-orange-light: #ffe1c2;
  --nb-purple-light: #e5defe;

  /* Structure */
  --nb-border-thin: 2px solid var(--nb-black);
  --nb-border: 3px solid var(--nb-black);
  --nb-border-thick: 4px solid var(--nb-black);
  --nb-shadow-sm: 3px 3px 0 var(--nb-black);
  --nb-shadow: 5px 5px 0 var(--nb-black);
  --nb-shadow-lg: 8px 8px 0 var(--nb-black);
  --nb-shadow-xl: 10px 10px 0 var(--nb-black);
  --nb-radius: 0;
  --nb-radius-soft: 4px;

  /* Typography */
  --font-display: 'Syne', 'Arial Black', sans-serif;
  --font-heading: 'Space Grotesk', Arial, sans-serif;
  --font-body: 'Inter', Arial, sans-serif;
  --font-mono: 'Space Mono', Consolas, monospace;

  /* Layout, motion and layers */
  --nb-sidebar-width: 276px;
  --nb-content-max: 1440px;
  --nb-transition-fast: 100ms ease;
  --nb-transition: 150ms ease;
  --z-base: 1;
  --z-sticky: 100;
  --z-sidebar: 1000;
  --z-overlay: 1100;
  --z-modal: 1200;
  --z-toast: 1300;

  /* Legacy aliases keep existing PHP markup functional. */
  --primary: var(--nb-black);
  --primary-dark: var(--nb-black);
  --primary-light: #6247aa;
  --accent: #6247aa;
  --accent-neon: var(--nb-pink);
  --bg-dark: var(--nb-cream);
  --bg-card: var(--nb-white);
  --bg-card2: var(--nb-purple-light);
  --surface: var(--nb-cream);
  --border: var(--nb-black);
  --text-primary: var(--nb-black);
  --text-secondary: var(--nb-charcoal);
  --text-muted: var(--nb-muted);
  --success: #267a43;
  --warning: #925000;
  --danger: #a61b28;
  --info: #155b91;
  --white: var(--nb-white);
  --shadow: var(--nb-shadow);
  --shadow-lg: var(--nb-shadow-lg);
  --radius: var(--nb-radius-soft);
  --radius-sm: var(--nb-radius-soft);
  --transition: var(--nb-transition);
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 92px;
}

body {
  margin: 0;
  background: var(--nb-cream);
  color: var(--nb-black);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.65;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::selection { background: var(--nb-yellow); color: var(--nb-black); }

h1, h2, h3, h4, h5, h6 {
  color: var(--nb-black);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.16;
}

p { color: inherit; }

a {
  color: #3b2479;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

a:hover { color: var(--nb-black); }

code, kbd, samp, .student-id, [class*="certificate-id"] {
  font-family: var(--font-mono);
}

img, video, iframe { max-width: 100%; }

:focus-visible {
  outline: 4px solid #1f6feb;
  outline-offset: 3px;
  box-shadow: none;
}

button:focus:not(:focus-visible), a:focus:not(:focus-visible) { outline: none; }

::placeholder { color: #727272; opacity: 1; }

/* =====================================================
   Shared buttons
   ===================================================== */

.btn-primary-custom,
.btn-outline-custom,
.btn-whatsapp,
.nb-btn,
.hamburger-btn,
.mobile-menu-btn {
  min-height: 44px;
  border: var(--nb-border);
  border-radius: var(--nb-radius-soft);
  box-shadow: var(--nb-shadow-sm);
  color: var(--nb-black);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.1;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--nb-transition-fast), box-shadow var(--nb-transition-fast), background-color var(--nb-transition-fast);
}

.btn-primary-custom,
.nb-btn-primary { background: var(--nb-yellow); }

.btn-outline-custom,
.nb-btn-white { background: var(--nb-white); }

.btn-whatsapp,
.nb-btn-green { background: var(--nb-green); color: var(--nb-black); }

.nb-btn-dark { background: var(--nb-black); color: var(--nb-white); }
.nb-btn-blue { background: var(--nb-blue); color: var(--nb-black); }
.nb-btn-purple { background: var(--nb-purple); color: var(--nb-black); }
.nb-btn-ghost { background: transparent; color: var(--nb-black); }

.btn-danger,
.nb-btn-danger { background: var(--nb-pink); }

.btn-warning,
.nb-btn-warning { background: var(--nb-orange); }

.btn-info,
.nb-btn-info { background: var(--nb-blue); }

.btn-primary-custom:hover,
.btn-outline-custom:hover,
.btn-whatsapp:hover,
.nb-btn:hover,
.hamburger-btn:hover,
.mobile-menu-btn:hover {
  background: var(--nb-yellow);
  color: var(--nb-black);
  box-shadow: var(--nb-shadow);
  transform: translate(-2px, -2px);
}

.btn-whatsapp:hover { background: #72cc86; }

.btn-primary-custom:active,
.btn-outline-custom:active,
.btn-whatsapp:active,
.nb-btn:active,
.hamburger-btn:active,
.mobile-menu-btn:active {
  box-shadow: 1px 1px 0 var(--nb-black);
  transform: translate(3px, 3px);
}

.btn-sm-custom {
  min-height: 36px;
  padding: 7px 12px;
  font-size: 12px;
}

button:disabled,
.btn-primary-custom:disabled,
.btn-outline-custom:disabled,
[aria-disabled="true"] {
  background: #dedbd0;
  color: #6b6b6b;
  box-shadow: 2px 2px 0 #6b6b6b;
  border-color: #6b6b6b;
  cursor: not-allowed;
  transform: none;
}

/* =====================================================
   Shared cards, badges and messages
   ===================================================== */

.card-custom,
.card-glass {
  position: relative;
  overflow: visible;
  background: var(--nb-white);
  border: var(--nb-border);
  border-radius: var(--nb-radius-soft);
  box-shadow: var(--nb-shadow);
  padding: 24px;
  transition: none;
}

.card-custom::before { display: none; }

a > .card-custom,
.card-custom[style*="cursor:pointer"] {
  transition: transform var(--nb-transition-fast), box-shadow var(--nb-transition-fast);
}

a:hover > .card-custom,
.card-custom[style*="cursor:pointer"]:hover {
  border-color: var(--nb-black);
  box-shadow: var(--nb-shadow-lg);
  transform: translate(-3px, -3px);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 26px;
  padding: 3px 9px;
  border: var(--nb-border-thin);
  border-radius: var(--nb-radius-soft);
  color: var(--nb-black);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.1;
  text-transform: uppercase;
  letter-spacing: .03em;
}

.badge-success { background: var(--nb-green); color: var(--nb-black); border-color: var(--nb-black); }
.badge-danger { background: var(--nb-pink); color: var(--nb-black); border-color: var(--nb-black); }
.badge-warning { background: var(--nb-orange); color: var(--nb-black); border-color: var(--nb-black); }
.badge-info { background: var(--nb-blue); color: var(--nb-black); border-color: var(--nb-black); }
.badge-primary { background: var(--nb-yellow); color: var(--nb-black); border-color: var(--nb-black); }
.badge-secondary { background: var(--nb-purple-light); color: var(--nb-black); border-color: var(--nb-black); }

.alert {
  position: relative;
  z-index: var(--z-toast);
  border: var(--nb-border);
  border-radius: var(--nb-radius-soft);
  box-shadow: var(--nb-shadow-sm);
  color: var(--nb-black);
  padding: 13px 46px 13px 16px;
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 600;
}

.alert::before {
  display: inline-block;
  margin-right: 8px;
  font-family: bootstrap-icons;
}

.alert-success { background: var(--nb-green-light); color: var(--nb-black); border-color: var(--nb-black); }
.alert-success::before { content: "\f26b"; }
.alert-danger { background: var(--nb-pink-light); color: var(--nb-black); border-color: var(--nb-black); }
.alert-danger::before { content: "\f33a"; }
.alert-info { background: var(--nb-blue-light); color: var(--nb-black); border-color: var(--nb-black); }
.alert-info::before { content: "\f431"; }
.alert-warning { background: var(--nb-orange-light); color: var(--nb-black); border-color: var(--nb-black); }
.alert-warning::before { content: "\f33b"; }
.alert-dismissible .btn-close { filter: none; opacity: 1; }

/* =====================================================
   Forms and file upload
   ===================================================== */

.form-group { margin-bottom: 20px; }

.form-label-custom,
label:not(.bottom-nav-item) {
  color: var(--nb-black);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
}

.form-label-custom {
  display: block;
  margin-bottom: 7px;
}

.form-control-custom,
.form-control,
.form-select {
  width: 100%;
  min-height: 46px;
  background: var(--nb-white);
  border: var(--nb-border);
  border-radius: var(--nb-radius-soft);
  box-shadow: 3px 3px 0 #767676;
  color: var(--nb-black);
  padding: 10px 13px;
  font-family: var(--font-body);
  font-size: 14px;
  outline: none;
  transition: box-shadow var(--nb-transition-fast), transform var(--nb-transition-fast), background-color var(--nb-transition-fast);
}

textarea.form-control-custom { min-height: 112px; resize: vertical; }

.form-control-custom:hover,
.form-control:hover,
.form-select:hover { background: #fffef9; }

.form-control-custom:focus,
.form-control:focus,
.form-select:focus {
  background: var(--nb-yellow-light);
  border-color: var(--nb-black);
  box-shadow: 5px 5px 0 var(--nb-black);
  color: var(--nb-black);
  transform: translate(-1px, -1px);
}

select.form-control-custom {
  appearance: auto;
  cursor: pointer;
}

input[type="checkbox"], input[type="radio"] {
  width: 19px;
  height: 19px;
  accent-color: var(--nb-black);
  cursor: pointer;
}

input[type="file"].form-control-custom {
  min-height: 58px;
  padding: 7px;
  background: var(--nb-blue-light);
  cursor: pointer;
}

input[type="file"]::file-selector-button {
  min-height: 38px;
  margin-right: 12px;
  padding: 7px 12px;
  background: var(--nb-yellow);
  border: var(--nb-border-thin);
  border-radius: 0;
  color: var(--nb-black);
  font-family: var(--font-heading);
  font-weight: 700;
  cursor: pointer;
}

input[type="file"].has-file { background: var(--nb-green-light); }

.file-selection {
  display: block;
  margin-top: 8px;
  padding: 6px 9px;
  background: var(--nb-green-light);
  border: var(--nb-border-thin);
  font-family: var(--font-mono);
  font-size: 11px;
  overflow-wrap: anywhere;
}

/* =====================================================
   Progress, tables, pagination and empty states
   ===================================================== */

.progress-custom {
  height: 28px;
  overflow: hidden;
  background: var(--nb-white);
  border: var(--nb-border);
  border-radius: 0;
}

.progress-bar-custom {
  height: 100%;
  background: var(--nb-green);
  border-radius: 0;
  transition: width 280ms ease;
}

.progress-bar-custom::after { display: none; }

.table-responsive-custom {
  position: relative;
  overflow-x: auto;
  background: var(--nb-white);
  border: var(--nb-border);
  border-radius: 0;
  scrollbar-color: var(--nb-black) var(--nb-yellow-light);
}

.table-custom {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  color: var(--nb-black);
  font-size: 13px;
}

.table-custom th {
  background: var(--nb-yellow);
  border-right: var(--nb-border-thin);
  border-bottom: var(--nb-border);
  color: var(--nb-black);
  padding: 13px 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-align: left;
  text-transform: uppercase;
  letter-spacing: .05em;
  white-space: nowrap;
}

.table-custom td {
  padding: 13px 14px;
  border-right: 1px solid var(--nb-black);
  border-bottom: var(--nb-border-thin);
  color: var(--nb-black);
  vertical-align: middle;
}

.table-custom th:last-child,
.table-custom td:last-child { border-right: 0; }

.table-custom tbody tr:last-child td { border-bottom: 0; }
.table-custom tbody tr:hover td { background: var(--nb-blue-light); }

.table-custom code {
  display: inline-block;
  padding: 3px 7px;
  background: var(--nb-purple-light) !important;
  border: var(--nb-border-thin);
  border-radius: 0 !important;
  color: var(--nb-black);
  font-size: 11px !important;
}

.admin-portal a[href*="?page="] {
  min-width: 36px;
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--nb-white) !important;
  border: var(--nb-border-thin) !important;
  border-radius: 0 !important;
  color: var(--nb-black) !important;
  font-family: var(--font-mono);
  box-shadow: 2px 2px 0 var(--nb-black);
}

.empty-state {
  padding: 52px 24px;
  text-align: center;
  color: var(--nb-muted);
}

.empty-state i {
  display: block;
  margin-bottom: 14px;
  color: var(--nb-black);
  font-size: 48px;
  opacity: 1;
}

/* =====================================================
   Page headings and shared content rhythm
   ===================================================== */

.page-title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: clamp(25px, 3vw, 40px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.035em;
  text-transform: uppercase;
}

.page-title i {
  display: inline-grid;
  width: 42px;
  height: 42px;
  place-items: center;
  margin-right: 8px;
  background: var(--nb-yellow);
  border: var(--nb-border);
  color: var(--nb-black) !important;
  font-size: 20px;
  vertical-align: middle;
}

.page-subtitle {
  margin: 0 0 24px;
  color: var(--nb-muted);
  font-size: 14px;
}

.eyebrow,
.section-badge,
.lesson-day-badge,
.nav-section-title {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: .06em;
}

.grid-2 { gap: 20px; }
.grid-3 { gap: 20px; }
.grid-4 { gap: 20px; }

/* Legacy inline theme surfaces: these narrow compatibility overrides are
   required because existing operational templates use visual inline styles. */
.portal-shell [style*="background:rgba(124,58,237"],
.auth-page [style*="background:rgba(124,58,237"] {
  background: var(--nb-purple-light) !important;
  border-color: var(--nb-black) !important;
}

.portal-shell [style*="background:rgba(59,130,246"] {
  background: var(--nb-blue-light) !important;
  border: var(--nb-border) !important;
}

.portal-shell [style*="background:rgba(16,185,129"] {
  background: var(--nb-green-light) !important;
  border-color: var(--nb-black) !important;
}

.portal-shell [style*="background:rgba(245,158,11"] {
  background: var(--nb-orange-light) !important;
  border-color: var(--nb-black) !important;
}

.portal-shell [style*="background:rgba(239,68,68"] {
  background: var(--nb-pink-light) !important;
  border-color: var(--nb-black) !important;
}

.portal-shell [style*="background:rgba(255,255,255"] {
  background: var(--nb-cream) !important;
  border-color: var(--nb-black) !important;
}

.student-portal span[style*="border-radius:50px"] {
  border: var(--nb-border-thin);
  border-radius: 0 !important;
  color: var(--nb-black) !important;
}

.portal-shell [style*="border-bottom:1px solid rgba(124,58,237"],
.portal-shell [style*="border-top:1px solid rgba(124,58,237"] {
  border-color: var(--nb-black) !important;
}

/* =====================================================
   Admin application shell
   ===================================================== */

.admin-sidebar {
  width: var(--nb-sidebar-width);
  background: var(--nb-black);
  border-right: var(--nb-border-thick);
  color: var(--nb-white);
  z-index: var(--z-sidebar);
  transition: transform var(--nb-transition);
}

.admin-sidebar::-webkit-scrollbar { width: 8px; }
.admin-sidebar::-webkit-scrollbar-track { background: var(--nb-black); }
.admin-sidebar::-webkit-scrollbar-thumb { background: var(--nb-yellow); border: 2px solid var(--nb-black); }

.sidebar-logo {
  padding: 22px 18px;
  background: var(--nb-yellow);
  border-bottom: var(--nb-border-thick);
  color: var(--nb-black);
  text-align: left;
}

.portal-brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 13px;
  background: var(--nb-purple);
  border: var(--nb-border);
  box-shadow: var(--nb-shadow-sm);
  color: var(--nb-black);
  font-size: 24px;
}

.sidebar-logo > div:first-child,
.student-brand > div:first-child,
.auth-page .login-card > div:first-child > div:first-of-type,
.public-site .footer-brand > div:first-child > div:first-child {
  background: var(--nb-purple) !important;
  border: var(--nb-border) !important;
  border-radius: 0 !important;
  box-shadow: var(--nb-shadow-sm);
  color: var(--nb-black) !important;
}

.sidebar-logo > div:first-child {
  width: 52px !important;
  height: 52px !important;
  margin: 0 0 13px !important;
}

.sidebar-logo h4 {
  margin: 0 0 4px;
  color: var(--nb-black);
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1.05;
  text-transform: uppercase;
}

.sidebar-logo p {
  margin: 0;
  color: var(--nb-black);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.sidebar-nav { padding: 12px; }

.nav-section-title {
  padding: 15px 8px 7px;
  color: var(--nb-yellow);
  font-size: 9px;
  text-transform: uppercase;
}

.nav-link-custom {
  min-height: 42px;
  margin-bottom: 5px;
  padding: 9px 10px;
  background: transparent;
  border: var(--nb-border-thin);
  border-color: transparent;
  color: #efefef;
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 600;
  transition: transform var(--nb-transition-fast), background-color var(--nb-transition-fast), color var(--nb-transition-fast);
}

.nav-link-custom:hover {
  background: var(--nb-white);
  border-color: var(--nb-white);
  color: var(--nb-black);
  transform: translateX(3px);
}

.nav-link-custom.active {
  background: var(--nb-yellow);
  border-color: var(--nb-yellow);
  color: var(--nb-black);
  box-shadow: 4px 4px 0 #604d00;
}

.nav-link-custom .nav-icon { opacity: 1; }

.admin-sidebar .dev-footer {
  border-top: var(--nb-border-thin);
  border-color: #555;
  color: #cfcfcf;
}

.admin-sidebar .dev-footer a { color: var(--nb-yellow); }

.admin-main {
  margin-left: var(--nb-sidebar-width);
  background: var(--nb-cream);
}

.admin-topbar {
  min-height: 72px;
  padding: 12px 24px;
  background: var(--nb-white);
  border-bottom: var(--nb-border-thick);
  z-index: var(--z-sticky);
}

.topbar-title {
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
}

.topbar-meta {
  color: var(--nb-muted);
  font-family: var(--font-mono);
  font-size: 10px;
}

.admin-content {
  width: 100%;
  max-width: var(--nb-content-max);
  margin: 0 auto;
  padding: 30px;
}

.hamburger-btn {
  display: none;
  width: 44px;
  padding: 8px;
  background: var(--nb-yellow);
}

.sidebar-overlay {
  background: rgba(17,17,17,.64);
  z-index: calc(var(--z-sidebar) - 1);
}

.stat-card {
  min-height: 116px;
  padding: 18px;
  background: var(--nb-white);
  border: var(--nb-border);
  border-radius: 0;
  box-shadow: var(--nb-shadow);
  color: var(--nb-black);
  transition: none;
}

.stat-card:hover { transform: none; box-shadow: var(--nb-shadow); }

.stat-icon {
  width: 52px;
  height: 52px;
  border: var(--nb-border);
  border-radius: 0;
  color: var(--nb-black) !important;
  font-size: 24px;
}

.stat-icon.purple { background: var(--nb-purple); }
.stat-icon.green { background: var(--nb-green); }
.stat-icon.orange { background: var(--nb-orange); }
.stat-icon.blue { background: var(--nb-blue); }
.stat-icon.pink { background: var(--nb-pink); }

.stat-value {
  margin-bottom: 5px;
  color: var(--nb-black);
  font-family: var(--font-display);
  font-size: 31px;
  font-weight: 800;
}

.stat-label {
  color: var(--nb-charcoal);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 600;
}

.admin-portal .card-custom[style*="padding:0"] { box-shadow: var(--nb-shadow); }

.admin-portal .card-custom > h3:first-child,
.admin-portal .card-custom > form > h3 {
  margin-left: -4px;
  padding: 8px 10px !important;
  background: var(--nb-yellow-light);
  border: var(--nb-border-thin);
  color: var(--nb-black);
}

.admin-portal .card-custom > form > h3:nth-of-type(even) { background: var(--nb-purple-light); }

.admin-portal .card-custom > form > .grid-2 {
  padding: 16px;
  background: var(--nb-cream);
  border: var(--nb-border-thin);
}

.admin-portal .card-custom > form > .grid-2 + div {
  padding-top: 13px;
}

.admin-portal form[method="GET"] {
  padding: 16px;
  background: var(--nb-blue-light);
  border: var(--nb-border);
  box-shadow: var(--nb-shadow-sm);
}

.admin-portal .modal { z-index: var(--z-modal); }
.modal-backdrop { z-index: calc(var(--z-modal) - 1); }

.modal-dark .modal-content,
.modal-content {
  background: var(--nb-cream);
  border: var(--nb-border-thick);
  border-radius: 0;
  box-shadow: var(--nb-shadow-lg);
  color: var(--nb-black);
}

.modal-dark .modal-header,
.modal-header {
  background: var(--nb-yellow);
  border-bottom: var(--nb-border);
}

.modal-dark .modal-footer,
.modal-footer { border-top: var(--nb-border); }
.modal-dark .btn-close { filter: none; opacity: 1; }
.modal-title { color: var(--nb-black); font-family: var(--font-heading); font-weight: 700; }

/* =====================================================
   Student application shell
   ===================================================== */

.student-topbar {
  min-height: 70px;
  padding: 10px 22px;
  background: var(--nb-yellow);
  border-bottom: var(--nb-border-thick);
  z-index: var(--z-sticky);
}

.student-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.student-brand .portal-brand-mark {
  width: 40px;
  height: 40px;
  margin: 0;
  background: var(--nb-purple);
  font-size: 18px;
}

.student-brand > div:first-child {
  width: 40px !important;
  height: 40px !important;
  margin: 0 !important;
  flex-shrink: 0;
}

.student-brand-name {
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.1;
}

.student-brand-label {
  margin-top: 3px;
  color: var(--nb-charcoal);
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 700;
  text-transform: uppercase;
}

.student-content {
  width: 100%;
  max-width: 1040px;
  margin: 0 auto;
  padding: 30px 24px 108px;
}

.student-portal .grid-2 > a:nth-child(6n + 1) > .card-custom { background: var(--nb-yellow-light); }
.student-portal .grid-2 > a:nth-child(6n + 2) > .card-custom { background: var(--nb-pink-light); }
.student-portal .grid-2 > a:nth-child(6n + 3) > .card-custom { background: var(--nb-blue-light); }
.student-portal .grid-2 > a:nth-child(6n + 4) > .card-custom { background: var(--nb-purple-light); }
.student-portal .grid-2 > a:nth-child(6n + 5) > .card-custom { background: var(--nb-green-light); }
.student-portal .grid-2 > a:nth-child(6n + 6) > .card-custom { background: var(--nb-orange-light); }

.welcome-banner {
  min-height: 164px;
  display: flex;
  align-items: flex-end;
  background: var(--nb-yellow) !important;
  border: var(--nb-border-thick) !important;
  border-radius: 0 !important;
  box-shadow: var(--nb-shadow-lg);
}

.welcome-banner p,
.welcome-banner h2 { color: var(--nb-black) !important; }
.welcome-banner p:first-child {
  display: inline-block;
  padding: 3px 8px;
  background: var(--nb-black);
  color: var(--nb-white) !important;
  font-family: var(--font-mono);
  font-size: 10px !important;
  letter-spacing: .05em;
}

.progress-panel { background: var(--nb-blue-light); }
.announcement-panel {
  background: var(--nb-blue-light) !important;
  border: var(--nb-border) !important;
  border-radius: 0 !important;
  box-shadow: var(--nb-shadow-sm);
}
.student-info-card { background: var(--nb-purple-light); }
.assignment-card:nth-of-type(odd) { background: var(--nb-white); }
.assignment-card:nth-of-type(even) { background: var(--nb-yellow-light); }
.trainer-feedback {
  background: var(--nb-green-light) !important;
  border: var(--nb-border-thin) !important;
  border-radius: 0 !important;
}
.assignment-submit[open] { padding-bottom: 6px; }
.resource-card { border-left: 12px solid var(--nb-blue); }
.announcement-card { border-left: 12px solid var(--nb-orange); }
.certificate-progress { background: var(--nb-blue-light); }
.certificate-status { background: var(--nb-purple-light); }
.profile-card { background: var(--nb-purple-light); }
.profile-avatar {
  width: 76px;
  height: 76px;
  display: grid;
  place-items: center;
  margin: 0 auto 14px;
  background: var(--nb-yellow);
  border: var(--nb-border);
  border-radius: 0;
  box-shadow: var(--nb-shadow-sm);
  font-size: 31px;
}
.support-hero {
  background: var(--nb-green-light) !important;
  border: var(--nb-border-thick) !important;
  border-radius: 0 !important;
  box-shadow: var(--nb-shadow-lg);
}
.ticket-card {
  background: var(--nb-cream) !important;
  border: var(--nb-border-thin) !important;
  border-radius: 0 !important;
}

.student-bottom-nav {
  display: none;
  min-height: 72px;
  padding: 7px max(8px, env(safe-area-inset-right)) max(7px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-left));
  background: var(--nb-white);
  border-top: var(--nb-border-thick);
  z-index: var(--z-sidebar);
}

.bottom-nav-items { gap: 4px; }

.bottom-nav-item {
  min-width: 60px;
  min-height: 54px;
  gap: 2px;
  padding: 5px 8px;
  border: var(--nb-border-thin);
  border-color: transparent;
  border-radius: 0;
  color: var(--nb-charcoal);
  font-family: var(--font-heading);
  font-size: 9px;
  font-weight: 700;
}

.bottom-nav-item i { color: var(--nb-black); font-size: 20px; }

.bottom-nav-item.active,
.bottom-nav-item:hover {
  background: var(--nb-yellow);
  border-color: var(--nb-black);
  color: var(--nb-black);
  box-shadow: 2px 2px 0 var(--nb-black);
}

.whatsapp-float {
  width: 56px;
  height: 56px;
  right: 20px;
  bottom: 90px;
  background: var(--nb-green);
  border: var(--nb-border);
  border-radius: 50%;
  box-shadow: var(--nb-shadow);
  color: var(--nb-black);
  font-size: 25px;
  z-index: calc(var(--z-sidebar) - 2);
  transition: transform var(--nb-transition-fast), box-shadow var(--nb-transition-fast);
}

.whatsapp-float:hover {
  background: var(--nb-green);
  box-shadow: var(--nb-shadow-lg);
  color: var(--nb-black);
  transform: translate(-2px, -2px);
}

.lesson-card {
  padding: 20px;
  margin-bottom: 14px;
  background: var(--nb-white);
  border: var(--nb-border);
  border-radius: 0;
  box-shadow: var(--nb-shadow-sm);
}

.lesson-card.completed {
  background: var(--nb-green-light);
  border-color: var(--nb-black);
}

.lesson-card.locked {
  background: #e8e8e3;
  opacity: .72;
}

.lesson-day-badge {
  padding: 3px 8px;
  margin-bottom: 9px;
  background: var(--nb-blue);
  border: var(--nb-border-thin);
  border-radius: 0;
  color: var(--nb-black);
  font-size: 10px;
  text-transform: uppercase;
}

.lesson-complete-badge {
  padding: 4px 8px;
  background: var(--nb-green);
  border: var(--nb-border-thin);
  border-radius: 0;
  color: var(--nb-black);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.module-header {
  min-height: 78px;
  padding: 15px 18px;
  margin-bottom: 0;
  background: var(--nb-white);
  border: var(--nb-border);
  border-radius: 0 !important;
  box-shadow: var(--nb-shadow-sm);
  transition: background-color var(--nb-transition-fast), transform var(--nb-transition-fast);
}

.module-header:hover { background: var(--nb-blue-light); border-color: var(--nb-black); }
.module-header.active { background: var(--nb-yellow); border-color: var(--nb-black); }
.module-header.active .bi-chevron-down { transform: rotate(180deg); }
.module-body { padding: 16px 4px 4px; }

.student-portal details {
  border-top: var(--nb-border-thin);
}

.student-portal details > summary {
  min-height: 46px;
  color: var(--nb-black) !important;
  font-family: var(--font-heading);
}

.student-portal details[open] > summary { background: var(--nb-yellow-light); }

.student-portal .dev-footer {
  border-top: var(--nb-border-thin);
  color: var(--nb-muted);
}

#certificatePreview {
  background: var(--nb-purple-light) !important;
  border: var(--nb-border-thick) !important;
  border-radius: 0 !important;
  box-shadow: var(--nb-shadow-lg);
  color: var(--nb-black);
}

#certificatePreview > div {
  border: var(--nb-border) !important;
  border-radius: 0 !important;
  background: var(--nb-cream);
}

.certificate-accent {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 10px;
  background: var(--nb-yellow);
  border-bottom: var(--nb-border);
}

/* =====================================================
   Authentication
   ===================================================== */

.login-page {
  min-height: 100vh;
  padding: 38px 20px;
  background: var(--nb-cream);
  align-items: center;
}

.login-bg-circles {
  inset: 0;
  background: transparent;
}

.login-bg-circles::before,
.login-bg-circles::after {
  width: 180px;
  height: 180px;
  background: var(--nb-purple);
  border: var(--nb-border-thick);
  border-radius: 0;
  opacity: 1;
  transform: rotate(8deg);
}

.login-bg-circles::before { top: -85px; right: -55px; }
.login-bg-circles::after {
  bottom: -90px;
  left: -50px;
  background: var(--nb-blue);
  transform: rotate(-9deg);
}

.login-card {
  max-width: 460px;
  padding: 34px;
  background: var(--nb-white);
  border: var(--nb-border-thick);
  border-radius: 0;
  box-shadow: var(--nb-shadow-lg);
}

.login-card::before { display: none; }

.auth-brand-mark {
  width: 68px;
  height: 68px;
  display: grid;
  place-items: center;
  margin: 0 auto 16px;
  background: var(--nb-yellow);
  border: var(--nb-border);
  box-shadow: var(--nb-shadow-sm);
  color: var(--nb-black);
  font-size: 29px;
}

.auth-page .login-card > div:first-child > div:first-of-type {
  width: 68px !important;
  height: 68px !important;
  margin: 0 auto 16px !important;
}

.student-auth .login-card > div:first-child > div:first-of-type { background: var(--nb-yellow) !important; }
.admin-auth .login-card > div:first-child > div:first-of-type { background: var(--nb-purple) !important; }

.admin-auth .auth-brand-mark { background: var(--nb-purple); }

.auth-kicker {
  display: inline-block;
  margin-bottom: 10px;
  padding: 3px 8px;
  background: var(--nb-black);
  border: var(--nb-border-thin);
  color: var(--nb-white);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
}

.input-shell { position: relative; }
.input-shell > i {
  position: absolute;
  left: 14px;
  top: 50%;
  z-index: 2;
  color: var(--nb-black) !important;
  transform: translateY(-50%);
}

.input-shell .form-control-custom { padding-left: 42px !important; }

.password-toggle {
  position: absolute;
  right: 3px;
  top: 3px;
  width: 42px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--nb-yellow);
  border: 0;
  border-left: var(--nb-border-thin);
  color: var(--nb-black);
  cursor: pointer;
}

.password-toggle:hover { background: var(--nb-blue); }
.login-help {
  margin-top: 24px;
  padding: 15px;
  background: var(--nb-green-light) !important;
  border: var(--nb-border) !important;
  border-radius: 0 !important;
  text-align: center;
}

/* =====================================================
   Public landing page
   ===================================================== */

.public-site { background: var(--nb-cream); }

.public-site .landing-nav {
  position: fixed;
  padding: 0;
  background: var(--nb-yellow);
  border-bottom: var(--nb-border-thick);
}

.public-site .landing-nav.scrolled {
  padding: 0;
  background: var(--nb-yellow);
  border-bottom: var(--nb-border-thick);
  backdrop-filter: none;
}

.public-site .nav-container {
  min-height: 74px;
  max-width: 1280px;
  padding: 10px 24px;
}

.public-site .nav-brand {
  color: var(--nb-black);
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  text-transform: uppercase;
}

.public-site .nav-brand-icon,
.public-site .footer-brand-mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  background: var(--nb-purple);
  border: var(--nb-border);
  border-radius: 0;
  box-shadow: 3px 3px 0 var(--nb-black);
  color: var(--nb-black);
  font-size: 19px;
}

.public-site .nav-links a:not(.btn-outline-custom):not(.btn-whatsapp) {
  min-height: 38px;
  padding: 8px 11px;
  border: var(--nb-border-thin);
  border-color: transparent;
  border-radius: 0;
  color: var(--nb-black);
  font-family: var(--font-heading);
  font-size: 13px;
  font-weight: 700;
}

.public-site .nav-links a:not(.btn-outline-custom):not(.btn-whatsapp):hover {
  background: var(--nb-white);
  border-color: var(--nb-black);
  color: var(--nb-black);
  box-shadow: 2px 2px 0 var(--nb-black);
}

.public-site .hero {
  min-height: auto;
  padding: 138px 24px 78px;
  background: var(--nb-purple-light);
  border-bottom: var(--nb-border-thick);
}

.public-site .hero-bg {
  inset: 0;
  background: transparent;
}

.public-site .hero-bg::before,
.public-site .hero-bg::after { display: none; }

.public-site .hero-orb {
  border: var(--nb-border-thick);
  border-radius: 0;
  animation: none;
  transform: rotate(8deg);
}

.public-site .hero-orb-1 {
  width: 150px;
  height: 150px;
  top: 102px;
  right: -65px;
  background: var(--nb-pink);
}

.public-site .hero-orb-2 {
  width: 105px;
  height: 105px;
  bottom: -50px;
  left: -35px;
  background: var(--nb-blue);
  transform: rotate(-12deg);
}

.public-site .hero-content {
  width: 100%;
  max-width: 1280px;
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(300px, .75fr);
  align-items: center;
  gap: clamp(32px, 7vw, 86px);
  text-align: left;
}

.public-site .hero-copy { min-width: 0; }

.public-site .hero-badge,
.public-site .section-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 6px 11px;
  background: var(--nb-yellow);
  border: var(--nb-border-thin);
  border-radius: 0;
  color: var(--nb-black);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  box-shadow: 3px 3px 0 var(--nb-black);
  animation: none;
}

.public-site .hero-badge::before { content: "✦"; }

.public-site .hero-title {
  max-width: 760px;
  margin: 24px 0 12px;
  background: none;
  color: var(--nb-black);
  font-family: var(--font-display);
  font-size: clamp(48px, 8vw, 104px);
  font-weight: 800;
  line-height: .88;
  letter-spacing: -.065em;
  text-transform: uppercase;
  -webkit-text-fill-color: currentColor;
  animation: none;
}

.public-site .hero-urdu {
  display: inline-block;
  margin: 5px 0 17px;
  padding: 4px 13px 8px;
  background: var(--nb-black);
  color: var(--nb-white);
  font-size: clamp(22px, 3.5vw, 37px);
  animation: none;
}

.public-site .hero-subtitle {
  max-width: 670px;
  margin-bottom: 10px;
  color: var(--nb-charcoal);
  font-size: clamp(16px, 2vw, 20px);
  font-weight: 600;
  animation: none;
}

.public-site .hero-highlight {
  justify-content: flex-start;
  margin-bottom: 29px;
  color: var(--nb-black);
  font-size: clamp(15px, 2vw, 19px);
  animation: none;
}

.public-site .hero-buttons { justify-content: flex-start; animation: none; }

.hero-poster {
  position: relative;
  display: grid;
  gap: 13px;
  padding: 24px;
  background: var(--nb-white);
  border: var(--nb-border-thick);
  box-shadow: var(--nb-shadow-xl);
}

.hero-poster::before {
  content: "COURSE\A SNAPSHOT";
  white-space: pre;
  position: absolute;
  top: -22px;
  right: 18px;
  padding: 5px 9px;
  background: var(--nb-black);
  border: var(--nb-border-thin);
  color: var(--nb-white);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  line-height: 1.1;
}

.hero-fact {
  display: grid;
  grid-template-columns: 48px 1fr;
  align-items: center;
  gap: 12px;
  min-height: 62px;
  padding: 9px 12px;
  border: var(--nb-border);
  font-family: var(--font-heading);
  font-weight: 700;
}

.hero-fact:nth-child(1) { background: var(--nb-yellow-light); }
.hero-fact:nth-child(2) { background: var(--nb-blue-light); }
.hero-fact:nth-child(3) { background: var(--nb-green-light); }
.hero-fact:nth-child(4) { background: var(--nb-pink-light); }
.hero-fact:nth-child(5) { background: var(--nb-purple-light); }
.hero-fact:nth-child(6) { background: var(--nb-orange-light); }

.hero-fact i {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  background: var(--nb-white);
  border: var(--nb-border-thin);
  font-size: 19px;
}

.public-site .section {
  padding: clamp(65px, 8vw, 105px) 0;
  border-bottom: var(--nb-border-thick);
}

.public-site .section-alt { background: var(--nb-blue-light); }
.public-site .container { max-width: 1280px; }

.public-site .section-header {
  max-width: 780px;
  margin: 0 auto 47px;
  text-align: center;
}

.public-site .section-title {
  margin: 19px 0 10px;
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, 62px);
  font-weight: 800;
  line-height: .98;
  letter-spacing: -.045em;
  text-transform: uppercase;
}

.public-site .section-subtitle { color: var(--nb-charcoal); }

.public-site .highlights-grid { gap: 18px; }

.public-site .highlight-card {
  min-height: 156px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
  padding: 20px;
  background: var(--nb-white);
  border: var(--nb-border);
  border-radius: 0;
  box-shadow: var(--nb-shadow);
  text-align: left;
  transition: none;
}

.public-site .highlight-card::before { display: none; }
.public-site .highlight-card:hover { border-color: var(--nb-black); box-shadow: var(--nb-shadow); transform: none; }
.public-site .highlight-card:nth-child(3n + 1) { background: var(--nb-yellow-light); }
.public-site .highlight-card:nth-child(3n + 2) { background: var(--nb-purple-light); }
.public-site .highlight-card:nth-child(3n + 3) { background: var(--nb-green-light); }

.public-site .highlight-icon {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin: 0 0 17px;
  background: var(--nb-white);
  border: var(--nb-border);
  font-size: 26px;
}

.public-site .highlight-card h4 { margin: 0; color: var(--nb-black); font-size: 15px; }

.public-site .learn-grid { gap: 16px; }

.public-site .learn-item {
  min-height: 90px;
  padding: 15px;
  background: var(--nb-white);
  border: var(--nb-border);
  border-radius: 0;
  box-shadow: var(--nb-shadow-sm);
  transition: none;
}

.public-site .learn-item:hover { background: var(--nb-white); border-color: var(--nb-black); }
.public-site .learn-item:nth-child(5n + 1) { background: var(--nb-yellow-light); }
.public-site .learn-item:nth-child(5n + 2) { background: var(--nb-blue-light); }
.public-site .learn-item:nth-child(5n + 3) { background: var(--nb-purple-light); }
.public-site .learn-item:nth-child(5n + 4) { background: var(--nb-pink-light); }
.public-site .learn-item:nth-child(5n + 5) { background: var(--nb-green-light); }

.public-site .learn-icon {
  width: 44px;
  height: 44px;
  background: var(--nb-white);
  border: var(--nb-border-thin);
  border-radius: 0;
  font-size: 20px;
}

.public-site .learn-item h4 { color: var(--nb-black); font-size: 13px; }

.public-site .weeks-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.public-site .week-card {
  min-height: 270px;
  padding: 32px 24px 23px;
  background: var(--nb-white);
  border: var(--nb-border-thick);
  border-radius: 0;
  box-shadow: var(--nb-shadow-lg);
  transition: none;
}

.public-site .week-card:hover { border-color: var(--nb-black); box-shadow: var(--nb-shadow-lg); transform: none; }
.public-site .week-card:nth-child(even) { background: var(--nb-purple-light); }

.public-site .week-number {
  top: -16px;
  left: 18px;
  padding: 5px 12px;
  background: var(--nb-yellow);
  border: var(--nb-border);
  border-radius: 0;
  color: var(--nb-black);
  font-family: var(--font-mono);
  font-size: 11px;
}

.public-site .week-title {
  margin: 5px 0 12px;
  color: var(--nb-black);
  font-size: 21px;
}

.public-site .week-days { padding: 0; }
.public-site .week-days li {
  min-height: 39px;
  padding: 7px 0;
  border-bottom: var(--nb-border-thin);
  color: var(--nb-charcoal);
  font-size: 13px;
}
.public-site .week-days li::before { content: "→"; color: var(--nb-black); font-weight: 800; }

.public-site .after-grid { gap: 16px; }
.public-site .after-item {
  min-height: 88px;
  padding: 15px;
  background: var(--nb-white);
  border: var(--nb-border);
  border-radius: 0;
  box-shadow: var(--nb-shadow-sm);
  transition: none;
}
.public-site .after-item:hover { background: var(--nb-white); border-color: var(--nb-black); }
.public-site .after-check {
  width: 38px;
  height: 38px;
  background: var(--nb-green);
  border: var(--nb-border-thin);
  border-radius: 0;
  color: var(--nb-black);
}
.public-site .after-item p { color: var(--nb-charcoal); }

.public-site .trainer-card {
  max-width: 780px;
  padding: clamp(30px, 5vw, 55px);
  background: var(--nb-yellow-light);
  border: var(--nb-border-thick);
  border-radius: 0;
  box-shadow: var(--nb-shadow-xl);
  overflow: visible;
}
.public-site .trainer-card::before { display: none; }
.public-site .trainer-avatar {
  width: 105px;
  height: 105px;
  background: var(--nb-purple);
  border: var(--nb-border-thick);
  border-radius: 0;
  box-shadow: var(--nb-shadow);
}
.public-site .trainer-name { font-family: var(--font-display); font-size: clamp(28px, 4vw, 43px); }
.public-site .trainer-title {
  display: inline-block;
  padding: 4px 9px;
  background: var(--nb-black);
  color: var(--nb-white);
  font-family: var(--font-mono);
  font-size: 12px;
}

.public-site .faq-list { max-width: 900px; }
.public-site .faq-item {
  margin-bottom: 15px;
  background: var(--nb-white);
  border: var(--nb-border);
  border-radius: 0;
  box-shadow: var(--nb-shadow-sm);
}
.public-site .faq-item:hover { border-color: var(--nb-black); }
.public-site .faq-item.open { background: var(--nb-yellow-light); }

.public-site .faq-question {
  width: 100%;
  min-height: 62px;
  padding: 15px 19px;
  background: transparent;
  border: 0;
  color: var(--nb-black);
  font-family: var(--font-heading);
  font-size: 15px;
  font-weight: 700;
  text-align: left;
}
.public-site .faq-question::after { color: var(--nb-black); font-size: 27px; }
.public-site .faq-item.open .faq-question::after { color: var(--nb-black); transform: rotate(45deg); }
.public-site .faq-answer { padding: 0 19px 18px; color: var(--nb-charcoal); }

.public-site .cta-section {
  padding: clamp(38px, 7vw, 72px);
  background: var(--nb-yellow);
  border: var(--nb-border-thick);
  border-radius: 0;
  box-shadow: var(--nb-shadow-xl);
}
.public-site .cta-section::before { display: none; }
.public-site .cta-title { font-family: var(--font-display); font-size: clamp(30px, 5vw, 57px); }
.public-site .cta-subtitle { color: var(--nb-charcoal); }

.public-site .landing-footer {
  padding: 46px 0 24px;
  background: var(--nb-black);
  border-top: 0;
  color: var(--nb-white);
}
.public-site .landing-footer h4,
.public-site .landing-footer h5 { color: var(--nb-white); }
.public-site .landing-footer p,
.public-site .landing-footer a { color: #e1e1e1; }
.public-site .footer-content { grid-template-columns: 1.4fr .6fr; }
.public-site .footer-bottom { border-top: 2px solid #555; color: #cfcfcf; }
.public-site .mobile-menu-btn { display: none; background: var(--nb-white); }

.public-site .mobile-nav {
  top: 74px;
  padding: 14px;
  background: var(--nb-yellow);
  border-bottom: var(--nb-border-thick);
  z-index: calc(var(--z-sidebar) - 1);
  backdrop-filter: none;
}
.public-site .mobile-nav a {
  min-height: 43px;
  padding: 9px 11px;
  background: var(--nb-white);
  border: var(--nb-border-thin);
  color: var(--nb-black);
  font-family: var(--font-heading);
  font-weight: 700;
}

/* =====================================================
   Dedicated Urdu / RTL FAQ
   ===================================================== */

.faq-page {
  background: var(--nb-cream) !important;
  color: var(--nb-black) !important;
  font-family: var(--fontUrdu), 'Noto Nastaliq Urdu', serif !important;
}
.faq-page::before { display: none !important; }
.faq-page a { color: inherit; }
.faq-page .wrap { width: min(1140px, calc(100% - 30px)); }
.faq-page .nav {
  background: var(--nb-yellow) !important;
  border-bottom: var(--nb-border-thick) !important;
  backdrop-filter: none !important;
}
.faq-page .nav-inner { min-height: 76px; }
.faq-page .brand-icon {
  width: 48px;
  height: 48px;
  background: var(--nb-purple) !important;
  border: var(--nb-border);
  border-radius: 0 !important;
  box-shadow: var(--nb-shadow-sm) !important;
  color: var(--nb-black) !important;
}
.faq-page .brand-text strong { color: var(--nb-black) !important; }
.faq-page .brand-text span { color: var(--nb-charcoal) !important; }
.faq-page .btn {
  min-height: 44px;
  padding: 10px 16px;
  background: var(--nb-white) !important;
  border: var(--nb-border);
  border-radius: 0 !important;
  box-shadow: var(--nb-shadow-sm) !important;
  color: var(--nb-black) !important;
  font-family: var(--fontUrdu), serif;
  transition: transform var(--nb-transition-fast), box-shadow var(--nb-transition-fast);
}
.faq-page .btn-primary { background: var(--nb-black) !important; color: var(--nb-white) !important; }
.faq-page .btn-whatsapp { background: var(--nb-green) !important; color: var(--nb-black) !important; }
.faq-page .btn:hover { transform: translate(-2px, -2px); box-shadow: var(--nb-shadow) !important; }
.faq-page .hero { padding: 38px 0 25px !important; background: transparent !important; border: 0; }
.faq-page .hero-panel {
  background: var(--nb-purple-light) !important;
  border: var(--nb-border-thick) !important;
  border-radius: 0 !important;
  box-shadow: var(--nb-shadow-xl) !important;
}
.faq-page .hero-panel::after {
  color: rgba(17,17,17,.06) !important;
  font-family: var(--font-display) !important;
}
.faq-page .eyebrow {
  background: var(--nb-yellow) !important;
  border: var(--nb-border-thin) !important;
  border-radius: 0 !important;
  color: var(--nb-black) !important;
  box-shadow: var(--nb-shadow-sm);
}
.faq-page h1,
.faq-page .section-head h2,
.faq-page .cta h2 { color: var(--nb-black) !important; }
.faq-page h1 { font-size: clamp(42px, 6vw, 72px); }
.faq-page .lead,
.faq-page .section-head p,
.faq-page .cta p { color: var(--nb-charcoal) !important; }
.faq-page .quick-stats { gap: 14px; }
.faq-page .stat {
  background: var(--nb-white) !important;
  border: var(--nb-border) !important;
  border-radius: 0 !important;
  box-shadow: var(--nb-shadow-sm);
}
.faq-page .stat:nth-child(1) { background: var(--nb-yellow-light) !important; }
.faq-page .stat:nth-child(2) { background: var(--nb-blue-light) !important; }
.faq-page .stat:nth-child(3) { background: var(--nb-purple-light) !important; }
.faq-page .stat:nth-child(4) { background: var(--nb-green-light) !important; }
.faq-page .stat-icon {
  background: var(--nb-white) !important;
  border: var(--nb-border-thin) !important;
  border-radius: 0 !important;
  color: var(--nb-black) !important;
}
.faq-page .stat strong { color: var(--nb-black) !important; }
.faq-page .stat small { color: var(--nb-charcoal) !important; }
.faq-page .counter {
  background: var(--nb-yellow) !important;
  border: var(--nb-border-thin) !important;
  border-radius: 0 !important;
  color: var(--nb-black) !important;
  box-shadow: var(--nb-shadow-sm);
}
.faq-page details.faq-card {
  background: var(--nb-white) !important;
  border: var(--nb-border) !important;
  border-radius: 0 !important;
  box-shadow: var(--nb-shadow-sm) !important;
}
.faq-page details.faq-card[open] { background: var(--nb-yellow-light) !important; }
.faq-page .faq-icon {
  background: var(--nb-blue-light) !important;
  border: var(--nb-border-thin) !important;
  border-radius: 0 !important;
  color: var(--nb-black) !important;
}
.faq-page .faq-question { color: var(--nb-black) !important; }
.faq-page .faq-answer { color: var(--nb-charcoal) !important; }
.faq-page .chev {
  background: var(--nb-yellow) !important;
  border: var(--nb-border-thin) !important;
  border-radius: 0 !important;
  color: var(--nb-black) !important;
}
.faq-page .cta {
  background: var(--nb-blue-light) !important;
  border: var(--nb-border-thick) !important;
  border-radius: 0 !important;
  box-shadow: var(--nb-shadow-lg) !important;
}
.faq-page .footer {
  background: var(--nb-black);
  border-top: var(--nb-border-thick);
  color: #d7d7d7 !important;
}
.faq-page .footer strong { color: var(--nb-yellow) !important; }
.faq-page .float-wa {
  background: var(--nb-green) !important;
  border: var(--nb-border);
  border-radius: 50%;
  box-shadow: var(--nb-shadow) !important;
  color: var(--nb-black) !important;
}

/* =====================================================
   Responsive and accessibility refinements
   ===================================================== */

@media (max-width: 1200px) {
  .admin-content { padding: 24px; }
  .public-site .nav-links { gap: 2px; }
  .public-site .nav-links a:not(.btn-outline-custom):not(.btn-whatsapp) { padding-inline: 8px; }
}

@media (max-width: 1024px) {
  .admin-sidebar { transform: translateX(-100%); }
  .admin-sidebar.open { transform: translateX(0); }
  .admin-main { margin-left: 0; }
  .hamburger-btn { display: inline-flex; }
  .public-site .hero-content { grid-template-columns: minmax(0, 1fr) 320px; gap: 34px; }
}

@media (max-width: 900px) {
  .public-site .nav-links { display: none; }
  .public-site .mobile-menu-btn { display: inline-flex; }
  .public-site .hero-content { grid-template-columns: 1fr; }
  .hero-poster { max-width: 680px; grid-template-columns: 1fr 1fr; }
  .faq-page .quick-stats { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  :root {
    --nb-shadow: 4px 4px 0 var(--nb-black);
    --nb-shadow-lg: 5px 5px 0 var(--nb-black);
    --nb-shadow-xl: 6px 6px 0 var(--nb-black);
  }

  body { font-size: 14px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .admin-content { padding: 20px 14px 30px; }
  .admin-topbar { min-height: 66px; padding: 10px 13px; }
  .admin-topbar > .d-flex:last-child > div { display: none; }
  .student-content { padding: 22px 14px 112px; }
  .student-bottom-nav { display: block; }
  .student-topbar { padding: 9px 12px; }
  .student-topbar .d-md-block { display: none !important; }
  .card-custom, .card-glass { padding: 18px; }
  .page-title { font-size: clamp(24px, 8vw, 34px); }
  .page-title i { width: 37px; height: 37px; font-size: 17px; }
  .stat-card { min-height: 98px; }
  .table-responsive-custom { margin-right: -2px; box-shadow: inset -8px 0 0 var(--nb-yellow-light); }
  .table-custom { min-width: 680px; }
  .whatsapp-float { right: 14px; bottom: 86px; width: 50px; height: 50px; }
  .module-header { padding: 13px; }
  .lesson-card { padding: 16px; }
  .login-card { padding: 27px 19px; }

  .public-site .nav-container { min-height: 68px; padding-inline: 14px; }
  .public-site .nav-brand { font-size: 14px; }
  .public-site .mobile-nav { top: 68px; }
  .public-site .hero { padding: 112px 16px 57px; }
  .public-site .hero-title { font-size: clamp(46px, 16vw, 78px); }
  .public-site .hero-buttons { flex-direction: column; align-items: stretch; }
  .public-site .hero-buttons a { width: 100%; }
  .hero-poster { padding: 17px; grid-template-columns: 1fr; }
  .public-site .section { padding: 58px 0; }
  .public-site .container { padding: 0 15px; }
  .public-site .section-header { margin-bottom: 37px; }
  .public-site .weeks-grid { grid-template-columns: 1fr; }
  .public-site .week-card { min-height: auto; }
  .public-site .trainer-card { padding: 28px 18px; }
  .public-site .cta-section { padding: 34px 17px; }
  .public-site .footer-content { grid-template-columns: 1fr; }

  .faq-page .hero-content { padding: 28px 18px !important; }
  .faq-page .quick-stats { grid-template-columns: 1fr 1fr; }
  .faq-page .section-head { align-items: flex-start; }
  .faq-page .cta { grid-template-columns: 1fr !important; }
}

@media (max-width: 480px) {
  .btn-primary-custom,
  .btn-outline-custom,
  .btn-whatsapp { width: 100%; }

  .admin-topbar .btn-outline-custom { width: auto; min-width: 44px; padding: 8px; }
  .student-topbar .btn-outline-custom { width: 44px; padding: 8px; }
  .student-brand-name { max-width: 175px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .student-content [style*="display:flex"][style*="justify-content:space-between"] { gap: 10px; }
  .bottom-nav-item { min-width: 0; flex: 1; padding-inline: 4px; }
  .login-page { padding-inline: 12px; }
  .login-card { box-shadow: var(--nb-shadow); }
  .public-site .nav-brand span { max-width: 180px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .public-site .highlight-card { min-height: 132px; }
  .public-site .learn-grid { grid-template-columns: 1fr; }
  .public-site .whatsapp-float { bottom: 18px !important; }
  .faq-page .quick-stats { grid-template-columns: 1fr; }
  .faq-page summary { grid-template-columns: 40px 1fr 30px !important; gap: 9px !important; padding: 14px 11px !important; }
  .faq-page .faq-icon { width: 40px !important; height: 40px !important; }
  .faq-page .faq-answer { padding: 0 60px 18px 12px !important; }
  .faq-page .nav-actions .btn-primary { display: none !important; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}

@media print {
  .student-topbar,
  .student-bottom-nav,
  .whatsapp-float,
  .student-portal .dev-footer,
  .page-title,
  .page-subtitle { display: none !important; }

  .student-content { max-width: none; padding: 0; }
  #certificatePreview { box-shadow: none; break-inside: avoid; }
}