/* ============================================================
   RESULT COMPUTATION SYSTEM — PREMIUM UI DESIGN SYSTEM
   ============================================================ */

/* — Google Fonts — */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

/* ============================================================
   1. CSS DESIGN TOKENS
   ============================================================ */
:root {
  /* Palette */
  --clr-primary-50:  #eff6ff;
  --clr-primary-100: #dbeafe;
  --clr-primary-200: #bfdbfe;
  --clr-primary-400: #60a5fa;
  --clr-primary-500: #3b82f6;
  --clr-primary-600: #2563eb;
  --clr-primary-700: #1d4ed8;
  --clr-primary-800: #1e40af;
  --clr-primary-900: #1e3a8a;

  --clr-indigo-500: #6366f1;
  --clr-indigo-600: #4f46e5;
  --clr-indigo-700: #4338ca;

  --clr-navy-950:  #030c1f;
  --clr-navy-900:  #071226;
  --clr-navy-800:  #0c1d3d;
  --clr-navy-700:  #0f2454;
  --clr-navy-600:  #132d6a;

  --clr-slate-50:  #f8fafc;
  --clr-slate-100: #f1f5f9;
  --clr-slate-200: #e2e8f0;
  --clr-slate-300: #cbd5e1;
  --clr-slate-400: #94a3b8;
  --clr-slate-500: #64748b;
  --clr-slate-600: #475569;
  --clr-slate-700: #334155;
  --clr-slate-800: #1e293b;
  --clr-slate-900: #0f172a;

  --clr-success-bg:   #ecfdf5;
  --clr-success-border:#6ee7b7;
  --clr-success-text: #064e3b;
  --clr-error-bg:   #fef2f2;
  --clr-error-border: #fca5a5;
  --clr-error-text: #7f1d1d;
  --clr-warning-bg: #fffbeb;
  --clr-warning-border:#fcd34d;
  --clr-warning-text: #78350f;
  --clr-info-bg:    #eff6ff;
  --clr-info-border: #93c5fd;
  --clr-info-text:  #1e3a8a;

  /* Typography */
  --font-sans: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;

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

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,.06), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md:  0 4px 16px rgba(15,23,42,.08), 0 1px 4px rgba(15,23,42,.04);
  --shadow-lg:  0 12px 32px rgba(15,23,42,.10), 0 2px 8px rgba(15,23,42,.06);
  --shadow-xl:  0 24px 48px rgba(15,23,42,.14), 0 4px 12px rgba(15,23,42,.08);
  --shadow-glow-blue: 0 0 0 3px rgba(99,102,241,.22);
  --shadow-glow-primary: 0 0 0 3px rgba(37,99,235,.20);

  /* Sidebar gradient */
  --sidebar-bg: linear-gradient(165deg, #0d1f45 0%, #071226 60%, #030c1f 100%);

  /* Transitions */
  --transition-fast: 0.12s cubic-bezier(.4,0,.2,1);
  --transition-base: 0.20s cubic-bezier(.4,0,.2,1);
  --transition-slow: 0.35s cubic-bezier(.4,0,.2,1);
}

/* ============================================================
   2. GLOBAL RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.5;
  background: #f0f4fb;
  color: var(--clr-slate-900);
  max-width: 100%;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a { color: inherit; }

/* ============================================================
   3. UTILITIES
   ============================================================ */
.muted      { color: var(--clr-slate-500); }
.hidden     { display: none !important; }
.small-note { font-size: 12px; }

/* Status badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 9px;
  border-radius: var(--radius-full);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .02em;
}
.badge::before {
  content: '';
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}
.badge-active, .badge-success {
  background: #dcfce7;
  color: #14532d;
}
.badge-active::before, .badge-success::before { background: #16a34a; }
.badge-inactive, .badge-suspended {
  background: #fef2f2;
  color: #7f1d1d;
}
.badge-inactive::before, .badge-suspended::before { background: #dc2626; }
.badge-warning {
  background: #fef9c3;
  color: #713f12;
}
.badge-warning::before { background: #ca8a04; }
.badge-default {
  background: var(--clr-slate-100);
  color: var(--clr-slate-700);
}
.badge-default::before { background: var(--clr-slate-400); }

/* ============================================================
   4. AUTH PAGES (Login / Setup / Check-Result / Recover)
   ============================================================ */
.auth-body {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 36px 16px 60px;
  background:
    radial-gradient(ellipse 80% 60% at 20% -10%, rgba(99,102,241,.30) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 110%, rgba(37,99,235,.25) 0%, transparent 60%),
    linear-gradient(160deg, #0d1b3e 0%, #111827 55%, #0a1628 100%);
  position: relative;
  overflow: hidden;
}

.auth-body::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%236366f1' fill-opacity='0.04'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.auth-wrap {
  width: 100%;
  max-width: 900px;
  position: relative;
  z-index: 1;
}

.setup-wrap {
  max-width: 1100px;
}

.auth-brand {
  text-align: center;
  margin-bottom: 28px;
}

.auth-brand-logo {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--clr-indigo-600) 0%, var(--clr-primary-600) 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
  box-shadow: 0 8px 24px rgba(99,102,241,.40);
}

.auth-brand-logo svg { width: 28px; height: 28px; fill: #fff; }

.auth-brand h1 {
  margin: 0 0 6px;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.02em;
}

.auth-brand p {
  margin: 0;
  font-size: 14px;
  color: rgba(255,255,255,.55);
}

.auth-card {
  background: rgba(255,255,255,.97);
  border: 1px solid rgba(255,255,255,.6);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl), 0 0 0 1px rgba(99,102,241,.08);
  padding: 32px;
  backdrop-filter: blur(20px);
}

.auth-card h1 {
  margin: 0 0 4px;
  font-size: 22px;
  font-weight: 800;
  color: var(--clr-slate-900);
  letter-spacing: -.02em;
}

.auth-card > .muted {
  margin: 0 0 24px;
  font-size: 14px;
}

/* Login secondary actions */
.auth-actions {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 10px;
}
.auth-actions .btn { width: 100%; min-height: 42px; text-align: center; }

/* ============================================================
   5. APP SHELL
   ============================================================ */
.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 262px minmax(0,1fr);
  position: relative;
}

/* ============================================================
   6. SIDEBAR
   ============================================================ */
.sidebar {
  background: var(--sidebar-bg);
  color: #c8d8f5;
  padding: 16px 12px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden auto;
  border-right: 1px solid rgba(255,255,255,.04);
}

.sidebar-backdrop { display: none; }

/* Brand block */
.brand-block {
  display: flex;
  align-items: center;
  gap: 11px;
  padding: 10px 8px 14px;
  border-bottom: 1px solid rgba(255,255,255,.07);
  margin-bottom: 10px;
}

.brand-logo {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 13px;
  color: #e8f0ff;
  background: linear-gradient(135deg, rgba(99,102,241,.55) 0%, rgba(37,99,235,.40) 100%);
  flex-shrink: 0;
  box-shadow: 0 4px 12px rgba(99,102,241,.25);
}

.brand-logo-image {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  border: 1px solid rgba(255,255,255,.15);
  object-fit: cover;
  flex-shrink: 0;
}

.brand h1 {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  color: #f0f6ff;
  letter-spacing: -.01em;
}

.brand p {
  margin: 3px 0 0;
  color: rgba(200,216,245,.55);
  font-size: 11.5px;
}

/* Nav groups */
.menu-group { margin-top: 14px; }

.group-title {
  margin: 0 10px 8px;
  font-size: 10.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: rgba(200,216,245,.40);
}

.nav { display: grid; gap: 2px; }

.nav a {
  text-decoration: none;
  font-size: 13px;
  font-weight: 500;
  color: rgba(200,216,245,.75);
  border-radius: var(--radius-md);
  padding: 9px 11px;
  border: 1px solid transparent;
  display: flex;
  align-items: center;
  gap: 10px;
  transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.nav a .nav-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  opacity: .75;
  transition: opacity var(--transition-fast);
}

.nav a:hover {
  background: rgba(255,255,255,.07);
  color: #e8f0ff;
  border-color: rgba(255,255,255,.07);
}
.nav a:hover .nav-icon { opacity: 1; }

.nav a.active {
  background: linear-gradient(90deg, rgba(99,102,241,.35) 0%, rgba(37,99,235,.22) 100%);
  border-color: rgba(99,102,241,.30);
  color: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(99,102,241,.15), 0 2px 8px rgba(99,102,241,.18);
}
.nav a.active .nav-icon { opacity: 1; }

.nav a.active::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, #818cf8 0%, #6366f1 100%);
}

/* Sidebar footer */
.footer-role {
  margin-top: 14px;
  border-top: 1px solid rgba(255,255,255,.06);
  padding-top: 12px;
}

.footer-role p {
  margin: 3px 0;
  font-size: 11.5px;
  color: rgba(200,216,245,.45);
}

/* ============================================================
   7. MAIN AREA
   ============================================================ */
.main {
  padding: 0;
  min-width: 0;
  max-width: 100vw;
  background: #f0f4fb;
}

@media (min-width: 981px) {
  .app-shell { height: 100vh; min-height: 0; overflow: hidden; }
  .sidebar { align-self: start; max-height: 100vh; overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; }
  .main { height: 100vh; overflow-x: hidden; overflow-y: auto; overscroll-behavior: contain; }
}

/* ============================================================
   8. TOPBAR
   ============================================================ */
.topbar {
  background: rgba(255,255,255,.96);
  border-bottom: 1px solid rgba(226,232,240,.8);
  padding: 12px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 1px 4px rgba(15,23,42,.05);
}

.topbar-title-wrap { display: grid; gap: 1px; }

.topbar h2 {
  margin: 0;
  font-size: 22px;
  font-weight: 800;
  color: var(--clr-slate-900);
  letter-spacing: -.02em;
  line-height: 1.2;
}

.topbar h2 + p.muted { margin: 2px 0 0; font-size: 12.5px; }

/* Hamburger toggle */
.sidebar-toggle-btn {
  display: none;
  width: 36px;
  height: 34px;
  border: 1px solid var(--clr-slate-200);
  border-radius: var(--radius-sm);
  background: var(--clr-slate-50);
  align-items: center;
  justify-content: center;
  gap: 3px;
  flex-direction: column;
  cursor: pointer;
  transition: background var(--transition-fast);
}
.sidebar-toggle-btn span {
  display: block;
  width: 16px;
  height: 2px;
  border-radius: 3px;
  background: var(--clr-slate-700);
}
.sidebar-toggle-btn:hover { background: var(--clr-slate-100); }

/* Toolbar */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  min-width: 0;
}
.toolbar > h3, .toolbar > p { margin: 0; }

.toolbar .inline-form {
  margin-left: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
}
.toolbar .inline-form input,
.toolbar .inline-form select {
  width: clamp(160px, 22vw, 280px);
  max-width: 100%;
}

/* Avatar / icon pills */
.icon-pill, .avatar-pill {
  width: 34px;
  height: 34px;
  border-radius: var(--radius-full);
  border: 1.5px solid var(--clr-slate-200);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  transition: border-color var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
}
.icon-pill {
  position: relative;
  text-decoration: none;
  font-size: 12px;
  color: var(--clr-slate-700);
}
.icon-pill:hover { border-color: var(--clr-primary-400); background: var(--clr-primary-50); box-shadow: var(--shadow-glow-primary); }

.avatar-pill {
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: .02em;
  color: #fff;
  background: linear-gradient(135deg, var(--clr-indigo-600) 0%, var(--clr-primary-600) 100%);
  border-color: transparent;
  box-shadow: 0 2px 8px rgba(99,102,241,.30);
}

.notif-count {
  position: absolute;
  top: -6px; right: -6px;
  min-width: 18px; height: 18px;
  border-radius: var(--radius-full);
  padding: 0 4px;
  border: 2px solid #fff;
  background: #ef4444;
  color: #fff;
  font-size: 10px;
  font-weight: 700;
  line-height: 14px;
  text-align: center;
}

.user-meta {
  display: inline-grid;
  line-height: 1.15;
}
.user-meta strong { font-size: 13px; font-weight: 700; color: var(--clr-slate-800); }
.user-meta small { font-size: 11px; color: var(--clr-slate-500); }

/* ============================================================
   9. CONTENT SPACING
   ============================================================ */
.main > .alert,
.main > .panel,
.main > .panel-grid-two,
.main > .panel-grid-three,
.main > .report-grid {
  margin-left: 20px;
  margin-right: 20px;
  margin-top: 20px;
}

/* ============================================================
   10. PANELS / SURFACES
   ============================================================ */
.panel {
  background: #fff;
  border: 1px solid #e4eaf4;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 20px;
  margin-bottom: 20px;
  overflow-x: visible;
  min-width: 0;
  max-width: 100%;
}

.panel h3 {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 700;
  color: var(--clr-slate-900);
  letter-spacing: -.01em;
}

.subpanel {
  border: 1px solid #e4eaf4;
  border-radius: var(--radius-md);
  background: #fff;
  padding: 16px;
  overflow-x: visible;
  min-width: 0;
  max-width: 100%;
}
.subpanel h3, .subpanel h4 { margin-top: 0; font-weight: 700; letter-spacing: -.01em; }
.subpanel hr { border: 0; border-top: 1px solid var(--clr-slate-200); margin: 16px 0; }

.panel-grid-two {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 16px;
}
.panel-grid-three {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 16px;
}

/* ============================================================
   11. FORM CONTROLS
   ============================================================ */
.grid-form { display: grid; gap: 16px; }
.grid { display: grid; gap: 16px; }

.grid > *,
.toolbar > *,
.bulk-actions > *,
.bulk-upload-form > *,
.bulk-export-actions > * { min-width: 0; }

.grid.two   { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid.four  { grid-template-columns: repeat(4, minmax(0,1fr)); }

.grid-form label {
  font-size: 13px;
  font-weight: 600;
  color: var(--clr-slate-700);
  display: grid;
  gap: 6px;
  letter-spacing: .005em;
}

.grid-form .full, .grid .full { grid-column: 1 / -1; }

.grid-form input,
.grid-form select,
.grid-form textarea,
.bulk-upload-form input,
.bulk-upload-form select,
.bulk-upload-form textarea,
.inline-form input,
.inline-form select,
.table td input,
.table td select,
.table td textarea {
  width: 100%;
  border: 1.5px solid var(--clr-slate-200);
  border-radius: var(--radius-sm);
  background: #fff;
  font: inherit;
  font-size: 13.5px;
  color: var(--clr-slate-900);
  padding: 9px 12px;
  line-height: 1.4;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
}

.grid-form textarea, .table td textarea {
  resize: vertical;
  min-height: 80px;
}

.grid-form input::placeholder,
.grid-form textarea::placeholder,
.bulk-upload-form input::placeholder,
.bulk-upload-form textarea::placeholder,
.table td input::placeholder,
.table td textarea::placeholder {
  color: var(--clr-slate-400);
}

.grid-form input:focus,
.grid-form select:focus,
.grid-form textarea:focus,
.bulk-upload-form input:focus,
.bulk-upload-form select:focus,
.bulk-upload-form textarea:focus,
.inline-form input:focus,
.inline-form select:focus,
.table td input:focus,
.table td select:focus,
.table td textarea:focus {
  outline: none;
  border-color: var(--clr-primary-600);
  box-shadow: var(--shadow-glow-primary);
  background: var(--clr-primary-50);
}

.grid-form input:disabled,
.grid-form select:disabled,
.grid-form textarea:disabled,
.bulk-upload-form input:disabled,
.bulk-upload-form select:disabled,
.bulk-upload-form textarea:disabled,
.table td input:disabled,
.table td select:disabled,
.table td textarea:disabled {
  background: var(--clr-slate-50);
  color: var(--clr-slate-400);
  cursor: not-allowed;
  border-color: var(--clr-slate-100);
}

.grid-form select,
.bulk-upload-form select,
.inline-form select,
.table td select {
  appearance: none;
  background-image:
    linear-gradient(45deg, transparent 50%, var(--clr-slate-500) 50%),
    linear-gradient(135deg, var(--clr-slate-500) 50%, transparent 50%);
  background-position: calc(100% - 18px) calc(50% - 2px), calc(100% - 12px) calc(50% - 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 34px;
}

.grid-form input[type="number"],
.bulk-upload-form input[type="number"],
.table td input[type="number"] { text-align: right; }

.grid-form input[type="file"],
.bulk-upload-form input[type="file"] { border-style: dashed; padding: 8px 10px; border-color: var(--clr-slate-300); }

.grid-form input[type="file"]::file-selector-button,
.bulk-upload-form input[type="file"]::file-selector-button {
  border: 1px solid var(--clr-slate-200);
  border-radius: var(--radius-sm);
  background: var(--clr-slate-100);
  color: var(--clr-slate-800);
  padding: 6px 12px;
  margin-right: 10px;
  cursor: pointer;
  font: inherit;
  font-size: 12.5px;
  font-weight: 600;
  transition: background var(--transition-fast);
}
.grid-form input[type="file"]::file-selector-button:hover,
.bulk-upload-form input[type="file"]::file-selector-button:hover { background: var(--clr-slate-200); }

.inline-form { margin: 0; }
.inline-form select, .inline-form input {
  min-width: 180px;
  border-radius: var(--radius-full);
  font-size: 12.5px;
  padding-top: 7px;
  padding-bottom: 7px;
  background-color: #fff;
}

/* Password field */
.password-field {
  display: grid;
  grid-template-columns: minmax(120px,1fr) auto;
  align-items: center;
  gap: 8px;
}
.table td .password-field input { min-width: 130px; }

.password-toggle {
  border: 1.5px solid var(--clr-slate-200);
  border-radius: var(--radius-sm);
  background: var(--clr-slate-50);
  color: var(--clr-slate-700);
  font-size: 12px;
  font-weight: 700;
  min-height: 37px;
  padding: 0 11px;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.password-toggle:hover { background: var(--clr-slate-100); border-color: var(--clr-slate-300); }

/* Checkbox inline */
.inline-check {
  display: flex !important;
  gap: 8px;
  align-items: center;
  font-weight: 500 !important;
}
.inline-check input[type="checkbox"] { width: 16px; height: 16px; margin: 0; accent-color: var(--clr-primary-600); }

.inline-three {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 6px;
}

.student-name-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 6px;
  min-width: 0;
}
.student-name-fields input:last-child { grid-column: 1 / -1; }
.table td .student-name-fields input { min-width: 0; }
.table td pre { margin: 0; white-space: pre-wrap; word-break: break-word; font-size: 11.5px; }

/* Bulk actions */
.bulk-actions {
  border: 1.5px dashed var(--clr-slate-200);
  border-radius: var(--radius-md);
  background: var(--clr-slate-50);
  padding: 14px;
  margin-bottom: 16px;
  display: grid;
  gap: 12px;
}

.bulk-upload-form {
  display: grid;
  grid-template-columns: minmax(220px, 420px) auto;
  align-items: end;
  gap: 10px 12px;
}
.bulk-upload-form label {
  margin: 0;
  display: grid;
  gap: 6px;
  font-size: 13px;
  color: var(--clr-slate-700);
  font-weight: 600;
}
.bulk-upload-form .btn { justify-self: start; }

.bulk-export-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

/* Recover page */
.recover-panel { border-color: #d9e3f3; background: #fbfdff; }
.recover-form input { min-height: 42px; border-radius: var(--radius-md); }
.recover-form .password-field { grid-template-columns: minmax(160px,1fr) auto; }

/* ============================================================
   12. BUTTONS
   ============================================================ */
.btn {
  border: 1.5px solid var(--clr-slate-200);
  border-radius: var(--radius-sm);
  padding: 8px 16px;
  background: #fff;
  color: var(--clr-slate-800);
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
  position: relative;
  overflow: hidden;
  user-select: none;
}
.btn:hover {
  border-color: var(--clr-slate-300);
  background: var(--clr-slate-50);
  box-shadow: var(--shadow-sm);
}
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn:focus-visible { outline: none; box-shadow: var(--shadow-glow-primary); }

/* Ripple layer */
.btn .btn-ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,.30);
  pointer-events: none;
  transform: scale(0);
  animation: ripple .55s linear;
}
@keyframes ripple {
  to { transform: scale(4); opacity: 0; }
}

.btn.primary {
  background: linear-gradient(135deg, var(--clr-indigo-600) 0%, var(--clr-primary-600) 100%);
  border-color: var(--clr-primary-600);
  color: #fff;
  box-shadow: 0 2px 10px rgba(99,102,241,.30);
}
.btn.primary:hover {
  background: linear-gradient(135deg, var(--clr-indigo-700) 0%, var(--clr-primary-700) 100%);
  border-color: var(--clr-primary-700);
  box-shadow: 0 4px 16px rgba(99,102,241,.40);
}

.btn.danger {
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  border-color: #dc2626;
  color: #fff;
  box-shadow: 0 2px 8px rgba(220,38,38,.25);
}
.btn.danger:hover {
  background: linear-gradient(135deg, #dc2626 0%, #b91c1c 100%);
  box-shadow: 0 4px 14px rgba(220,38,38,.35);
}

.btn.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--clr-primary-700);
}
.btn.ghost:hover { background: var(--clr-primary-50); border-color: var(--clr-primary-200); }

.btn.tiny { font-size: 12px; padding: 5px 11px; }

/* Chip */
.chip {
  border-radius: var(--radius-full);
  border: 1.5px solid var(--clr-slate-200);
  padding: 4px 11px;
  background: #fff;
  font-size: 12px;
  font-weight: 500;
}

/* ============================================================
   13. ALERTS
   ============================================================ */
.alert {
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  border-left-width: 4px;
  padding: 12px 16px;
  font-size: 13.5px;
  font-weight: 500;
  animation: alertSlideIn .25s var(--transition-base) both;
}

@keyframes alertSlideIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.alert.success {
  background: var(--clr-success-bg);
  border-color: var(--clr-success-border);
  color: var(--clr-success-text);
}
.alert.error {
  background: var(--clr-error-bg);
  border-color: var(--clr-error-border);
  color: var(--clr-error-text);
}
.alert.warning {
  background: var(--clr-warning-bg);
  border-color: var(--clr-warning-border);
  color: var(--clr-warning-text);
}
.alert.info {
  background: var(--clr-info-bg);
  border-color: var(--clr-info-border);
  color: var(--clr-info-text);
}

/* ============================================================
   14. TABLES
   ============================================================ */
.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
  min-width: var(--table-min-width, 1180px);
}

.table-scroll-shell {
  display: block;
  position: relative;
  width: 100%;
  max-width: 100%;
  overflow-x: scroll;
  overflow-y: visible;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior-x: contain;
  touch-action: auto;
  scrollbar-gutter: stable;
  border: 1px solid #e4eaf4;
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-sm);
  padding: 0;
}
.table-scroll-shell .table { margin: 0; width: auto; min-width: var(--table-min-width, 1180px); max-width: none; display: table; }
.table-scroll-shell .table th,
.table-scroll-shell .table td { white-space: nowrap; }
.table-scroll-shell .table textarea,
.table-scroll-shell .table pre { white-space: pre-wrap; }
.table-scroll-shell:focus { outline: 2px solid rgba(37,99,235,.30); outline-offset: 2px; }

.table th, .table td {
  border: 0;
  border-bottom: 1px solid #edf2fa;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.table th {
  background: #f6f8fd;
  color: var(--clr-slate-700);
  font-weight: 700;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: .06em;
  border-bottom: 2px solid #e4eaf4;
  position: sticky;
  top: 0;
  z-index: 2;
}

.table td input, .table td select { min-width: 90px; }
.table td input + input,
.table td input + select,
.table td select + input,
.table td select + select { margin-top: 6px; }

.table tbody tr {
  transition: background var(--transition-fast);
}
.table tbody tr:nth-child(even) { background: #fafbfd; }
.table tbody tr:hover { background: #f0f5ff; }

.table tbody tr:last-child td { border-bottom: 0; }

.table.compact td, .table.compact th { padding: 7px 9px; }

/* Actions cell */
.actions { display: flex; flex-wrap: wrap; gap: 6px; }
.actions form { margin: 0; }

/* Score table */
.score-table .score-input {
  min-width: 72px;
  max-width: 88px;
  text-align: center !important;
  font-weight: 700;
}
.score-table { --table-min-width: 1280px; }

.score-student-col {
  position: sticky;
  left: 0;
  z-index: 3;
  min-width: 210px;
  max-width: 260px;
  background: #fff;
  box-shadow: 3px 0 8px rgba(15,23,42,.06);
}
.score-table thead .score-student-col {
  z-index: 5;
  background: #f6f8fd;
}

/* Students table */
#students-table { --table-min-width: 2180px; }
#students-table th:nth-child(1), #students-table td:nth-child(1) { min-width: 150px; }
#students-table .student-name-cell { min-width: 380px; }
#students-table .student-parent-cell { min-width: 360px; }
#students-table td:nth-child(6) { min-width: 230px; }
#students-table td.actions { min-width: 230px; }

.student-name-fields,
.student-parent-fields {
  display: grid;
  grid-template-columns: repeat(3, minmax(105px,1fr));
  gap: 8px;
  align-items: start;
}
.student-name-fields input,
.student-parent-fields input { min-width: 0 !important; width: 100%; }
.student-name-fields input:last-child { grid-column: auto; }

#schools-table, #teachers-table { --table-min-width: 1550px; }
#users-table, #report-records-table { --table-min-width: 1450px; }
#classes-table, #subjects-table, #sections-table { --table-min-width: 1250px; }

.score-table [data-cell="status"].error { color: #b91c1c; }
.score-table [data-cell="status"] { font-weight: 700; }

/* ============================================================
   15. ATTENDANCE
   ============================================================ */
.attendance-summary-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
}
.attendance-summary-strip span {
  border: 1px solid var(--clr-slate-200);
  border-radius: var(--radius-full);
  background: #fff;
  color: var(--clr-slate-700);
  padding: 5px 12px;
  font-size: 12.5px;
  font-weight: 500;
}

.attendance-book-shell {
  padding: 12px;
  background: #fff;
  border-radius: var(--radius-md);
}
.attendance-book-table { --table-min-width: 1500px; border: 2px solid var(--clr-slate-800); }
.attendance-book-table th, .attendance-book-table td { text-align: center; vertical-align: middle; border-color: var(--clr-slate-200); }
.attendance-book-table .week-head { background: var(--clr-navy-700); color: #fff; font-size: 11.5px; }
.attendance-book-table .day-head { background: var(--clr-primary-50); color: var(--clr-slate-800); min-width: 52px; font-size: 11px; }
.attendance-book-table .sticky-student-col {
  position: sticky; left: 0; z-index: 3; background: #fff; text-align: left; min-width: 220px;
  box-shadow: 3px 0 8px rgba(15,23,42,.06);
}
.attendance-book-table .attendance-admission-col { min-width: 130px; text-align: left; }
.attendance-book-table thead .sticky-student-col { z-index: 5; background: #f6f8fd; }

.tick-cell { padding: 4px !important; }
.attendance-tick {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  cursor: pointer;
}
.attendance-tick input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
  pointer-events: none;
}
.attendance-tick span {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  border: 1.5px solid var(--clr-slate-300);
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.attendance-tick input:checked + span {
  border-color: #16a34a;
  background: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);
  box-shadow: inset 0 0 0 3px #fff, 0 2px 6px rgba(22,163,74,.25);
}

/* ============================================================
   16. GRADE COLOURS
   ============================================================ */
.grade-muted   { color: var(--clr-slate-500); }
.grade-green   { color: #15803d; font-weight: 700; }
.grade-blue    { color: var(--clr-primary-700); font-weight: 700; }
.grade-amber   { color: #b45309; font-weight: 700; }
.grade-orange  { color: #c2410c; font-weight: 700; }
.grade-purple  { color: #7e22ce; font-weight: 700; }
.grade-red     { color: #b91c1c; font-weight: 700; }

/* ============================================================
   17. DASHBOARD — KPI CARDS
   ============================================================ */
.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.card {
  border: 1px solid #e4eaf4;
  border-radius: var(--radius-lg);
  padding: 20px;
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  animation: cardFadeUp .4s ease both;
}
.card:nth-child(2) { animation-delay: .06s; }
.card:nth-child(3) { animation-delay: .12s; }
.card:nth-child(4) { animation-delay: .18s; }

@keyframes cardFadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.card::after {
  content: '';
  position: absolute;
  bottom: -18px; right: -18px;
  width: 80px; height: 80px;
  border-radius: 50%;
  opacity: .10;
  pointer-events: none;
}

.card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  margin-bottom: 14px;
}
.card-icon svg { width: 20px; height: 20px; }

.card h3 {
  margin: 0 0 6px;
  font-size: 12.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  opacity: .75;
}

.card p {
  margin: 0 0 14px;
  font-size: 38px;
  font-weight: 800;
  letter-spacing: -.03em;
  line-height: 1;
}

.card-link {
  font-size: 12px;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  opacity: .75;
  transition: opacity var(--transition-fast);
}
.card-link:hover { opacity: 1; }

/* Tone variants */
.tone-blue {
  background: linear-gradient(135deg, #dbeafe 0%, #eff6ff 60%, #f0f7ff 100%);
  color: var(--clr-primary-800);
}
.tone-blue .card-icon { background: rgba(37,99,235,.12); color: var(--clr-primary-700); }
.tone-blue .card-link { color: var(--clr-primary-700); }
.tone-blue::after { background: var(--clr-primary-400); }

.tone-green {
  background: linear-gradient(135deg, #d1fae5 0%, #ecfdf5 60%, #f0fdf7 100%);
  color: #065f46;
}
.tone-green .card-icon { background: rgba(22,163,74,.12); color: #15803d; }
.tone-green .card-link { color: #15803d; }
.tone-green::after { background: #22c55e; }

.tone-amber {
  background: linear-gradient(135deg, #fde68a 0%, #fef3c7 60%, #fffbeb 100%);
  color: #78350f;
}
.tone-amber .card-icon { background: rgba(245,158,11,.15); color: #b45309; }
.tone-amber .card-link { color: #b45309; }
.tone-amber::after { background: #f59e0b; }

.tone-purple {
  background: linear-gradient(135deg, #ede9fe 0%, #f5f3ff 60%, #faf7ff 100%);
  color: #4c1d95;
}
.tone-purple .card-icon { background: rgba(139,92,246,.12); color: #7e22ce; }
.tone-purple .card-link { color: #7e22ce; }
.tone-purple::after { background: #a855f7; }

/* ============================================================
   18. LINE LIST (dashboard subpanels)
   ============================================================ */
.line-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.line-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid #f0f4fb;
  font-size: 13px;
}
.line-list li:last-child { border-bottom: 0; }
.line-list li span { color: var(--clr-slate-700); }
.line-list li small { color: var(--clr-slate-500); font-size: 11.5px; flex-shrink: 0; }
.line-list li strong { color: var(--clr-slate-900); font-weight: 700; flex-shrink: 0; }

/* ============================================================
   19. PAGINATION
   ============================================================ */
.pagination-bar {
  justify-content: space-between;
  margin-top: 12px;
}

/* ============================================================
   20. ADMIN / SITE ADMINISTRATION CARDS
   ============================================================ */
.admin-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px,1fr));
  gap: 14px;
}

.admin-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 14px;
  border: 1.5px solid #e4eaf4;
  border-radius: var(--radius-lg);
  background: #fff;
  text-decoration: none;
  padding: 18px;
  min-height: 148px;
  transition: border-color var(--transition-base), box-shadow var(--transition-base), transform var(--transition-base), background var(--transition-base);
  position: relative;
  overflow: hidden;
}
.admin-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--clr-indigo-600) 0%, var(--clr-primary-500) 100%);
  opacity: 0;
  transition: opacity var(--transition-base);
}
.admin-card:hover {
  border-color: var(--clr-primary-300);
  background: linear-gradient(160deg, var(--clr-primary-50) 0%, #fff 60%);
  box-shadow: 0 8px 24px rgba(99,102,241,.14);
  transform: translateY(-2px);
}
.admin-card:hover::before { opacity: 1; }

.admin-card h4 { margin: 0 0 6px; font-size: 15px; font-weight: 700; color: var(--clr-slate-900); letter-spacing: -.01em; }
.admin-card p  { margin: 0; font-size: 12.5px; color: var(--clr-slate-500); line-height: 1.5; }

.admin-card-head { display: flex; align-items: flex-start; gap: 12px; min-width: 0; }

.admin-card-icon {
  width: 38px; height: 38px;
  border-radius: var(--radius-md);
  border: 1.5px solid rgba(99,102,241,.15);
  background: linear-gradient(135deg, rgba(99,102,241,.12) 0%, rgba(37,99,235,.07) 100%);
  color: var(--clr-indigo-600);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.admin-card-icon svg { width: 18px; height: 18px; }

.admin-card-meta { min-width: 0; flex: 1 1 auto; }
.admin-card-meta h4 { margin: 0 0 5px; }
.admin-card-meta p  { margin: 0; }

.admin-card-arrow { color: var(--clr-slate-400); font-size: 18px; line-height: 1; margin-top: 2px; flex-shrink: 0; }

.admin-card-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; }

.admin-card-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--clr-slate-200);
  border-radius: var(--radius-full);
  background: var(--clr-slate-50);
  color: var(--clr-slate-600);
  font-size: 11px;
  font-weight: 600;
  min-height: 22px;
  padding: 0 9px;
  letter-spacing: .02em;
}

.admin-card-open {
  color: var(--clr-indigo-600);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .02em;
}

/* ============================================================
   21. REPORT CARDS LAYOUT
   ============================================================ */
.report-grid {
  display: grid;
  grid-template-columns: 290px minmax(0,1fr);
  gap: 16px;
}

.report-controls {
  border: 1px solid #e4eaf4;
  border-radius: var(--radius-md);
  padding: 16px;
  background: var(--clr-slate-50);
  min-width: 0;
  overflow-x: visible;
}

.report-preview-pane {
  border: 1px solid #e4eaf4;
  border-radius: var(--radius-md);
  padding: 16px;
  background: #fff;
  min-width: 0;
  overflow-x: visible;
}

.summary-card {
  border: 1px solid #e4eaf4;
  border-radius: var(--radius-md);
  background: #fff;
  padding: 12px;
}

.result-preview {
  margin-top: 14px;
  border-top: 1px solid var(--clr-slate-200);
  padding-top: 14px;
}

.report-heading {
  padding: 12px;
  border: 1px solid #e4eaf4;
  border-radius: var(--radius-sm);
  background: var(--clr-slate-50);
  margin-bottom: 12px;
}
.report-heading h4 { margin: 0 0 4px; color: var(--clr-navy-700); font-weight: 700; }

/* ============================================================
   22. TEMPLATE BUILDER
   ============================================================ */
.builder-wrap {
  width: 100%;
  border: 1px solid #d1dae8;
  border-radius: var(--radius-md);
  background: #e2e8f0;
  padding: 10px;
  overflow: auto;
}
.builder-canvas {
  width: min(100%, 920px);
  aspect-ratio: 210 / 297;
  position: relative;
  margin: 0 auto;
  background: #fff;
  border: 1px solid #d1dae8;
}
.builder-lines { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 1; }
.builder-canvas img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .32;
  pointer-events: none;
}
.map-field {
  position: absolute;
  z-index: 2;
  border: 1.5px dashed var(--clr-primary-600);
  background: rgba(99,102,241,.10);
  color: var(--clr-slate-900);
  font-size: 11px;
  padding: 2px 5px;
  user-select: none;
  cursor: move;
  overflow: hidden;
}
.map-field.active { outline: 2px solid #22c55e; }
.feature-list { margin: 0 0 12px; padding-left: 18px; }

/* ============================================================
   23. NOTIFICATIONS
   ============================================================ */
.notification-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.notification-list li {
  border: 1px solid #e4eaf4;
  border-radius: var(--radius-md);
  padding: 12px 14px;
  background: #fff;
  transition: box-shadow var(--transition-fast);
}
.notification-list li:hover { box-shadow: var(--shadow-md); }
.notification-list li.is-unread {
  border-left: 4px solid var(--clr-primary-600);
  background: var(--clr-primary-50);
}
.notification-list li.is-read { opacity: .88; }
.notification-list p { margin: 8px 0; white-space: pre-wrap; }
.notification-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
}

/* ============================================================
   24. RESPONSIVE — TABLET (≤1180px)
   ============================================================ */
@media (max-width: 1180px) {
  .topbar h2 { font-size: 20px; }
  .cards { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .panel-grid-three { grid-template-columns: 1fr; }
}

/* ============================================================
   25. RESPONSIVE — MOBILE (≤980px)
   ============================================================ */
@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }

  .sidebar {
    position: fixed;
    left: 0; top: 0; bottom: 0;
    width: 268px;
    max-width: 88vw;
    transform: translateX(-108%);
    transition: transform var(--transition-slow), box-shadow var(--transition-slow);
    z-index: 1100;
    height: 100vh;
  }
  body.sidebar-open .sidebar {
    transform: translateX(0);
    box-shadow: 24px 0 60px rgba(3,12,31,.45);
  }

  .sidebar-backdrop {
    display: block;
    position: fixed;
    inset: 0;
    border: 0; padding: 0; margin: 0;
    background: rgba(3,12,31,.55);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    z-index: 1090;
    backdrop-filter: blur(3px);
    transition: opacity var(--transition-base), visibility var(--transition-base);
  }
  body.sidebar-open .sidebar-backdrop {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
  }

  .topbar-title-wrap {
    grid-template-columns: auto 1fr;
    column-gap: 10px;
    row-gap: 2px;
    align-items: center;
  }
  .sidebar-toggle-btn {
    display: inline-flex;
    grid-row: 1 / span 2;
  }
  .topbar-title-wrap h2 { margin: 0; }
  .topbar-title-wrap .muted { margin: 0; }
  .topbar {
    flex-direction: column;
    align-items: flex-start;
    padding: 10px 14px;
  }
  .toolbar { width: 100%; justify-content: flex-start; gap: 8px; }
  .inline-form { width: 100%; }
  .toolbar .inline-form { margin-left: 0; width: 100%; justify-content: flex-start; }
  .inline-form select, .inline-form input { width: min(100%, 320px); min-width: 0; }

  .bulk-actions { overflow-x: visible; }
  .bulk-upload-form { min-width: 0; }
  .bulk-export-actions { width: 100%; overflow-x: visible; flex-wrap: wrap; padding-bottom: 2px; }
  .bulk-export-actions .btn { flex: 0 0 auto; }

  .panel-grid-two, .panel-grid-three, .admin-grid { overflow-x: visible; }
  .report-grid { grid-template-columns: 1fr; }
  .panel-grid-two { grid-template-columns: 1fr; }
  .grid.two, .grid.three, .grid.four { grid-template-columns: 1fr; }
  .inline-three { grid-template-columns: 1fr; }
  .bulk-upload-form { grid-template-columns: 1fr; }

  .panel > table.table,
  .subpanel > table.table,
  .grid-form > table.table,
  .table-scroll-shell > table.table {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: 0 !important;
    overflow-x: auto !important;
    overflow-y: visible;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x pan-y;
    white-space: nowrap;
    border: 1px solid #e4eaf4;
    border-radius: var(--radius-md);
    background: #fff;
  }
  .panel > table.table thead,
  .panel > table.table tbody,
  .panel > table.table tr,
  .subpanel > table.table thead,
  .subpanel > table.table tbody,
  .subpanel > table.table tr,
  .grid-form > table.table thead,
  .grid-form > table.table tbody,
  .grid-form > table.table tr,
  .table-scroll-shell > table.table thead,
  .table-scroll-shell > table.table tbody,
  .table-scroll-shell > table.table tr { width: max-content; min-width: var(--table-min-width, 1180px); }
  .panel > table.table th, .panel > table.table td,
  .subpanel > table.table th, .subpanel > table.table td,
  .grid-form > table.table th, .grid-form > table.table td,
  .table-scroll-shell > table.table th, .table-scroll-shell > table.table td { white-space: nowrap; }
  .table-scroll-shell { overflow-x: visible !important; padding: 0; border: 0; box-shadow: none; background: transparent; }
  .score-table { --table-min-width: 1280px; }

  .attendance-book-shell {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: auto !important;
    overflow-y: visible !important;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-x pan-y;
    padding: 10px;
    border: 1px solid #e4eaf4;
    box-shadow: var(--shadow-sm);
    background: #fff;
  }
  .attendance-book-shell > table.attendance-book-table {
    display: table !important;
    width: max-content !important;
    min-width: var(--table-min-width, 1500px) !important;
    max-width: none !important;
    overflow: visible !important;
  }
  .report-preview-pane iframe { min-height: 520px; height: 72vh !important; }

  .main > .alert,
  .main > .panel,
  .main > .panel-grid-two,
  .main > .panel-grid-three,
  .main > .report-grid { margin-left: 12px; margin-right: 12px; margin-top: 14px; }
}

/* ============================================================
   26. RESPONSIVE — SMALL MOBILE (≤560px)
   ============================================================ */
@media (max-width: 560px) {
  .auth-body { padding: 16px 12px 40px; }
  .auth-card { padding: 22px 18px; border-radius: var(--radius-lg); }
  .auth-actions { grid-template-columns: 1fr; }
  .topbar h2 { font-size: 17px; }
  .topbar { padding: 8px 10px; }
  .main > .alert,
  .main > .panel,
  .main > .panel-grid-two,
  .main > .panel-grid-three,
  .main > .report-grid { margin-left: 10px; margin-right: 10px; margin-top: 10px; }
  .panel { padding: 14px; }
  .cards { grid-template-columns: 1fr; }
  .score-table { --table-min-width: 1280px; }
  .report-preview-pane iframe { min-height: 460px; height: 68vh !important; }
  .admin-card { min-height: 0; }
  .admin-card-head { gap: 10px; }
}