/* ============================================
   EPC Student Management System
   Main Stylesheet — Design System & Base
   Light Mode — Clean Dashboard Style
   ============================================ */

/* ── Google Fonts ─────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:ital,opsz,wght@0,9..40,300;0,9..40,400;0,9..40,500;0,9..40,600;0,9..40,700;1,9..40,400&family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap');

/* ── CSS Variables / Design Tokens ────────── */
:root {
  /* Brand Colors — matching screenshot palette */
  --clr-primary:       #4F6AFF;
  --clr-primary-hover: #3B54E8;
  --clr-primary-light: #EEF1FF;
  --clr-primary-glow:  rgba(79, 106, 255, 0.12);
  --clr-primary-soft:  rgba(79, 106, 255, 0.08);

  /* Backward Compatibility (Part 1 pages) */
  --clr-blue:        var(--clr-primary);
  --clr-blue-hover:  var(--clr-primary-hover);
  --clr-blue-light:  var(--clr-primary-light);
  --clr-blue-glow:   var(--clr-primary-glow);
  --clr-navy:        #0F172A;
  --clr-navy-light:  #1B2A4A;
  --clr-navy-mid:    #243656;

  /* Accent Colors */
  --clr-emerald:       #22C55E;
  --clr-emerald-bg:    #ECFDF5;
  --clr-amber:         #F59E0B;
  --clr-amber-bg:      #FFFBEB;
  --clr-red:           #EF4444;
  --clr-red-bg:        #FEF2F2;
  --clr-purple:        #8B5CF6;
  --clr-purple-bg:     #F5F3FF;
  --clr-orange:        #F97316;
  --clr-orange-bg:     #FFF7ED;
  --clr-cyan:          #06B6D4;
  --clr-cyan-bg:       #ECFEFF;

  /* Neutrals — light mode */
  --clr-white:         #FFFFFF;
  --clr-bg:            #F5F7FA;
  --clr-bg-alt:        #F0F2F5;
  --clr-gray-50:       #F8FAFC;
  --clr-gray-100:      #F1F5F9;
  --clr-gray-200:      #E2E8F0;
  --clr-gray-300:      #CBD5E1;
  --clr-gray-400:      #94A3B8;
  --clr-gray-500:      #64748B;
  --clr-gray-600:      #475569;
  --clr-gray-700:      #334155;
  --clr-gray-800:      #1E293B;
  --clr-gray-900:      #0F172A;
  --clr-text:          #1E293B;
  --clr-text-light:    #64748B;
  --clr-text-muted:    #94A3B8;

  /* Sidebar — light theme */
  --sidebar-bg:        #FFFFFF;
  --sidebar-border:    #E8ECF1;
  --sidebar-text:      #64748B;
  --sidebar-text-hover:#334155;
  --sidebar-active-bg: #EEF1FF;
  --sidebar-active-text:#4F6AFF;
  --sidebar-section:   #94A3B8;

  /* Typography */
  --font-display:    'Plus Jakarta Sans', sans-serif;
  --font-body:       'DM Sans', sans-serif;

  /* Spacing */
  --space-xs:  0.25rem;
  --space-sm:  0.5rem;
  --space-md:  1rem;
  --space-lg:  1.5rem;
  --space-xl:  2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;

  /* Borders & Radius */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  14px;
  --radius-xl:  20px;
  --radius-full: 9999px;

  /* Shadows — soft and subtle */
  --shadow-xs:   0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.06);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.06);
  --shadow-lg:   0 8px 24px rgba(0,0,0,0.08);
  --shadow-xl:   0 16px 48px rgba(0,0,0,0.10);
  --shadow-card: 0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --duration: 0.25s;
}

/* ── Reset & Base ─────────────────────────── */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--clr-text);
  background: var(--clr-bg);
  min-height: 100vh;
}

a {
  text-decoration: none;
  color: var(--clr-primary);
  transition: color var(--duration) var(--ease-out);
}

a:hover {
  color: var(--clr-primary-hover);
}

img {
  max-width: 100%;
  display: block;
}

/* ── Typography ───────────────────────────── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.3;
  color: var(--clr-gray-900);
}

h1 { font-size: 1.75rem; letter-spacing: -0.02em; }
h2 { font-size: 1.375rem; letter-spacing: -0.01em; }
h3 { font-size: 1.125rem; }
h4 { font-size: 1rem; }
h5 { font-size: 0.9375rem; }

p {
  color: var(--clr-gray-500);
  line-height: 1.65;
}

.text-sm { font-size: 0.8125rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.0625rem; }

/* ── Buttons ──────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.625rem 1.375rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration) var(--ease-out);
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  box-shadow: 0 1px 3px rgba(79, 106, 255, 0.3);
}

.btn-primary:hover {
  background: var(--clr-primary-hover);
  box-shadow: 0 4px 12px rgba(79, 106, 255, 0.35);
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--clr-white);
  color: var(--clr-gray-700);
  border: 1.5px solid var(--clr-gray-200);
}

.btn-secondary:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  background: var(--clr-primary-light);
}

.btn-success {
  background: var(--clr-emerald);
  color: var(--clr-white);
}

.btn-success:hover {
  background: #16A34A;
  transform: translateY(-1px);
}

.btn-danger {
  background: var(--clr-red);
  color: var(--clr-white);
}

.btn-danger:hover {
  background: #DC2626;
}

.btn-ghost {
  background: transparent;
  color: var(--clr-gray-600);
}

.btn-ghost:hover {
  background: var(--clr-gray-100);
  color: var(--clr-gray-800);
}

.btn-sm {
  padding: 0.4375rem 0.875rem;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 0.75rem 1.75rem;
  font-size: 0.9375rem;
}

.btn-block {
  width: 100%;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* ── Form Elements ────────────────────────── */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  font-size: 0.8125rem;
  color: var(--clr-gray-600);
  margin-bottom: 0.375rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--clr-text);
  background: var(--clr-white);
  border: 1.5px solid var(--clr-gray-200);
  border-radius: var(--radius-md);
  transition: all var(--duration) var(--ease-out);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-glow);
}

.form-input::placeholder {
  color: var(--clr-gray-400);
}

.form-input.error {
  border-color: var(--clr-red);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.12);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.form-error {
  font-size: 0.8125rem;
  color: var(--clr-red);
  margin-top: 0.25rem;
}

.form-hint {
  font-size: 0.75rem;
  color: var(--clr-gray-400);
  margin-top: 0.25rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md);
}

/* ── Cards — matching screenshot ──────────── */
.card {
  background: var(--clr-white);
  border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--duration) var(--ease-out);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-flat {
  box-shadow: var(--shadow-card);
  border: 1px solid rgba(0,0,0,0.04);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.card-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-gray-900);
}

/* ── Badges ───────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.1875rem 0.625rem;
  font-size: 0.6875rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge-blue    { background: var(--clr-primary-light); color: var(--clr-primary); }
.badge-green   { background: var(--clr-emerald-bg); color: #16A34A; }
.badge-amber   { background: var(--clr-amber-bg); color: #D97706; }
.badge-red     { background: var(--clr-red-bg); color: var(--clr-red); }
.badge-purple  { background: var(--clr-purple-bg); color: var(--clr-purple); }
.badge-gray    { background: var(--clr-gray-100); color: var(--clr-gray-600); }
.badge-orange  { background: var(--clr-orange-bg); color: var(--clr-orange); }

.badge-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  font-size: 0.6875rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  background: var(--clr-primary-light);
  color: var(--clr-primary);
}

/* ── Alerts / Toasts ──────────────────────── */
.alert {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.8125rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: var(--space-lg);
}

.alert-success { background: var(--clr-emerald-bg); color: #065F46; border: 1px solid #BBF7D0; }
.alert-error   { background: var(--clr-red-bg); color: #991B1B; border: 1px solid #FECACA; }
.alert-warning { background: var(--clr-amber-bg); color: #92400E; border: 1px solid #FDE68A; }
.alert-info    { background: var(--clr-primary-light); color: #1E40AF; border: 1px solid #C7D2FE; }

.toast {
  position: fixed;
  top: 1.25rem;
  right: 1.25rem;
  padding: 0.875rem 1.25rem;
  border-radius: var(--radius-md);
  color: var(--clr-white);
  font-weight: 500;
  font-size: 0.875rem;
  z-index: 10000;
  animation: slideInToast 0.4s var(--ease-out);
  box-shadow: var(--shadow-lg);
}

.toast-success { background: var(--clr-emerald); }
.toast-error   { background: var(--clr-red); }

@keyframes slideInToast {
  from { transform: translateX(120%); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ── Loading Spinner ──────────────────────── */
.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--clr-gray-200);
  border-top-color: var(--clr-primary);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

.spinner-sm {
  width: 18px;
  height: 18px;
  border-width: 2px;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.loading-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(4px);
}

/* ══════════════════════════════════════════════
   NAVBAR — Top Bar (Student pages)
   ══════════════════════════════════════════════ */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-xl);
  height: 60px;
  background: var(--clr-white);
  border-bottom: 1px solid var(--clr-gray-200);
  position: sticky;
  top: 0;
  z-index: 100;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--clr-gray-900);
}

.navbar-brand span {
  color: var(--clr-primary);
}

.navbar-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  list-style: none;
}

.navbar-links a {
  font-size: 0.8375rem;
  font-weight: 500;
  color: var(--clr-gray-500);
  padding: 0.4375rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: all var(--duration);
}

.navbar-links a:hover,
.navbar-links a.active {
  color: var(--clr-primary);
  background: var(--clr-primary-soft);
}

.navbar-user {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.navbar-avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--clr-primary);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.8125rem;
}

/* ══════════════════════════════════════════════
   SIDEBAR — Light Theme (matching screenshot)
   ══════════════════════════════════════════════ */
.layout-admin {
  display: grid;
  grid-template-columns: 250px 1fr;
  min-height: 100vh;
}

.sidebar {
  background: var(--sidebar-bg);
  border-right: 1px solid var(--sidebar-border);
  padding: var(--space-lg) 0;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
}

.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--clr-gray-200); border-radius: 4px; }

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 var(--space-xl);
  margin-bottom: var(--space-xl);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--clr-gray-900);
}

.sidebar-brand span { color: var(--clr-primary); }

/* EPC platform logo image */
.navbar-brand,
.sidebar-brand {
  min-width: 96px;
  min-height: 40px;
  background: url("../photo img.png") left center / contain no-repeat;
  color: transparent !important;
  font-size: 0 !important;
}

.navbar-brand span,
.sidebar-brand span {
  display: none;
}

.sidebar-section { margin-bottom: var(--space-md); }

.sidebar-section-title {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--sidebar-section);
  padding: 0 var(--space-xl);
  margin-bottom: 0.375rem;
}

.sidebar-link {
  display: flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.5rem var(--space-xl);
  font-size: 0.8375rem;
  font-weight: 500;
  color: var(--sidebar-text);
  transition: all var(--duration);
  border-left: 3px solid transparent;
  margin: 1px 0;
}

.sidebar-link:hover {
  color: var(--sidebar-text-hover);
  background: var(--clr-gray-50);
}

.sidebar-link.active {
  color: var(--sidebar-active-text);
  background: var(--sidebar-active-bg);
  border-left-color: var(--clr-primary);
  font-weight: 600;
}

.sidebar-link svg { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.7; }
.sidebar-link.active svg { opacity: 1; }
.sidebar-link .badge-count { margin-left: auto; }
.sidebar-link .arrow { margin-left: auto; width: 16px; height: 16px; color: var(--clr-gray-300); }

.sidebar-footer {
  margin-top: auto;
  padding: var(--space-md) var(--space-xl);
  border-top: 1px solid var(--sidebar-border);
}

.sidebar-user { display: flex; align-items: center; gap: 0.625rem; }

.sidebar-user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--clr-primary); color: white;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.8125rem; flex-shrink: 0;
}

.sidebar-user-info { flex: 1; min-width: 0; }
.sidebar-user-name { font-size: 0.8125rem; font-weight: 600; color: var(--clr-gray-800); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: 0.6875rem; color: var(--clr-gray-400); text-transform: uppercase; letter-spacing: 0.04em; font-weight: 600; }

/* ══════════════════════════════════════════════
   MAIN CONTENT AREA
   ══════════════════════════════════════════════ */
.main-content { background: var(--clr-bg); min-height: 100vh; }

.page-container { max-width: 1200px; margin: 0 auto; padding: var(--space-xl); }

.page-header { margin-bottom: var(--space-xl); }
.page-header h1 { margin-bottom: 0.25rem; }
.page-header p { font-size: 0.875rem; }

.page-header-row {
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-md);
}

/* ── Tables ───────────────────────────────── */
.table-container {
  overflow-x: auto; background: var(--clr-white);
  border-radius: var(--radius-lg); border: 1px solid var(--clr-gray-200);
}

table { width: 100%; border-collapse: collapse; font-size: 0.8125rem; }
thead { background: var(--clr-gray-50); }

th {
  text-align: left; padding: 0.75rem 1rem;
  font-weight: 600; color: var(--clr-gray-500);
  font-size: 0.75rem; text-transform: uppercase;
  letter-spacing: 0.04em; border-bottom: 1px solid var(--clr-gray-200);
}

td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--clr-gray-100); color: var(--clr-gray-700); }
tbody tr { transition: background var(--duration); }
tbody tr:hover { background: var(--clr-gray-50); }
tbody tr:last-child td { border-bottom: none; }

/* ── Stats Cards ──────────────────────────── */
.stats-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md); margin-bottom: var(--space-xl);
}

.stat-card {
  background: var(--clr-white); border: 1px solid var(--clr-gray-200);
  border-radius: var(--radius-lg); padding: var(--space-lg);
  transition: all var(--duration);
}

.stat-card:hover { box-shadow: var(--shadow-md); }

.stat-card-icon {
  width: 40px; height: 40px; border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 0.75rem; font-size: 1.25rem;
}

.stat-card-value {
  font-family: var(--font-display); font-size: 1.5rem; font-weight: 800;
  color: var(--clr-gray-900); line-height: 1; margin-bottom: 0.25rem;
}

.stat-card-label { font-size: 0.8125rem; color: var(--clr-gray-500); font-weight: 500; }

.stat-trend { display: inline-flex; align-items: center; gap: 0.25rem; font-size: 0.75rem; font-weight: 600; margin-top: 0.5rem; }
.stat-trend.up { color: var(--clr-emerald); }
.stat-trend.down { color: var(--clr-red); }

/* ── Modal ────────────────────────────────── */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px); z-index: 1000;
  display: none; align-items: center; justify-content: center;
  animation: fadeIn 0.2s ease;
}

.modal-backdrop.show { display: flex; }

.modal {
  background: var(--clr-white); border-radius: var(--radius-xl);
  padding: var(--space-2xl); max-width: 560px; width: 90%;
  max-height: 85vh; overflow-y: auto;
  animation: scaleIn 0.3s var(--ease-out); box-shadow: var(--shadow-xl);
}

.modal-title { font-size: 1.125rem; margin-bottom: var(--space-lg); }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes scaleIn { from { transform: scale(0.95); opacity: 0; } to { transform: scale(1); opacity: 1; } }

/* ── Tab Switcher ─────────────────────────── */
.tab-switcher {
  display: inline-flex; background: var(--clr-gray-100);
  border-radius: var(--radius-md); padding: 3px;
}

.tab-switcher-btn {
  padding: 0.375rem 0.875rem; font-size: 0.75rem; font-weight: 600;
  border: none; background: none; color: var(--clr-gray-500);
  border-radius: var(--radius-sm); cursor: pointer;
  transition: all var(--duration); text-transform: uppercase; letter-spacing: 0.03em;
}

.tab-switcher-btn.active {
  background: var(--clr-white); color: var(--clr-primary); box-shadow: var(--shadow-sm);
}

/* ── Progress Bar ─────────────────────────── */
.progress-bar { width: 100%; height: 8px; background: var(--clr-gray-100); border-radius: var(--radius-full); overflow: hidden; }
.progress-bar-fill { height: 100%; border-radius: var(--radius-full); background: var(--clr-primary); transition: width 0.5s var(--ease-out); }
.progress-bar-fill.green { background: var(--clr-emerald); }
.progress-bar-fill.amber { background: var(--clr-amber); }

/* ── Empty State ──────────────────────────── */
.empty-state { text-align: center; padding: var(--space-3xl) var(--space-xl); }
.empty-state svg { width: 64px; height: 64px; margin: 0 auto var(--space-md); color: var(--clr-gray-300); }
.empty-state h3 { margin-bottom: 0.375rem; font-size: 1rem; }
.empty-state p { font-size: 0.875rem; }

/* ── Utility Classes ──────────────────────── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }

.text-center { text-align: center; }
.text-right  { text-align: right; }
.hidden { display: none !important; }
.truncate { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── Responsive ───────────────────────────── */
@media (max-width: 768px) {
  h1 { font-size: 1.5rem; }
  h2 { font-size: 1.25rem; }
  .navbar { padding: 0 var(--space-md); }
  .navbar-links { display: none; }
  .layout-admin { grid-template-columns: 1fr; }
  .sidebar { display: none; }
  .page-container { padding: var(--space-md); }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
  .page-header-row { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}