/* =============================================
   MyPrimaryQR — Premium Design System
   ============================================= */

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

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Core palette */
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  --accent-400: #a78bfa;
  --accent-500: #8b5cf6;
  --accent-600: #7c3aed;

  --success-50: #f0fdf4;
  --success-400: #4ade80;
  --success-500: #22c55e;
  --success-600: #16a34a;

  --warning-50: #fffbeb;
  --warning-400: #fbbf24;
  --warning-500: #f59e0b;

  --danger-50: #fef2f2;
  --danger-400: #f87171;
  --danger-500: #ef4444;
  --danger-600: #dc2626;

  /* Neutrals */
  --gray-25: #fcfcfd;
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  --gray-950: #030712;

  /* Surfaces */
  --bg-body: #f0f2f7;
  --bg-card: #ffffff;
  --bg-glass: rgba(255, 255, 255, 0.72);
  --bg-header: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04), 0 6px 16px rgba(0, 0, 0, 0.06);

  /* Borders */
  --border-light: 1px solid rgba(0, 0, 0, 0.06);
  --border-medium: 1px solid var(--gray-200);
  --border-radius-sm: 8px;
  --border-radius-md: 12px;
  --border-radius-lg: 16px;
  --border-radius-xl: 20px;
  --border-radius-2xl: 24px;
  --border-radius-full: 9999px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Transitions */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: 150ms var(--ease-smooth);
  --transition-normal: 250ms var(--ease-smooth);
  --transition-slow: 400ms var(--ease-smooth);
}

/* ---------- Dark Theme Overrides ---------- */
[data-theme="dark"] {
  /* Neutrals (Inverted for Dark Slate Theme) */
  --gray-25: #020617;
  --gray-50: #0f172a;
  --gray-100: #1e293b;
  --gray-200: #334155;
  --gray-300: #475569;
  --gray-400: #64748b;
  --gray-500: #94a3b8;
  --gray-600: #cbd5e1;
  --gray-700: #e2e8f0;
  --gray-800: #f1f5f9;
  --gray-900: #f8fafc;
  --gray-950: #ffffff;

  /* Primary Accent Swapped to Emerald Green */
  --primary-50: #f0fdf4;
  --primary-100: #dcfce7;
  --primary-200: #bbf7d0;
  --primary-300: #86efac;
  --primary-400: #4ade80;
  --primary-500: #22c55e;
  --primary-600: #16a34a;
  --primary-700: #15803d;
  --primary-800: #166534;
  --primary-900: #14532d;

  /* Surfaces */
  --bg-body: #0f172a;
  --bg-card: #1e293b;
  --bg-glass: rgba(30, 41, 59, 0.72);
  --bg-header: #0f172a;

  /* Border Overrides */
  --border-light: 1px solid rgba(255, 255, 255, 0.06);
  --border-medium: 1px solid #334155;

  /* Less intense shadows for dark mode */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
  --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.3), 0 6px 16px rgba(0, 0, 0, 0.2);
}

/* Dark mode + Parent Portal: keep purple theme */
[data-theme="dark"][data-portal="parent"] body,
[data-theme="dark"] [data-portal="parent"] {
  --primary-50: #2e1065;
  --primary-100: #3b0764;
  --primary-200: #581c87;
  --primary-300: #7e22ce;
  --primary-400: #a855f7;
  --primary-500: #c084fc;
  --primary-600: #d8b4fe;
  --primary-700: #e9d5ff;
  --primary-800: #f3e8ff;
  --primary-900: #faf5ff;
}

/* Dark mode: dim bubbles */
[data-theme="dark"] .bubble {
  opacity: 0.08;
}

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

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

body {
  font-family: var(--font-sans);
  background: var(--bg-body);
  color: var(--gray-900);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Subtle animated bg pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 800px 600px at 20% 10%, rgba(59, 130, 246, 0.06), transparent),
    radial-gradient(ellipse 600px 500px at 80% 90%, rgba(139, 92, 246, 0.05), transparent);
  pointer-events: none;
  z-index: 0;
}

/* ========== Animated Bubbles Background ========== */
.bubbles-bg {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.bubble {
  position: absolute;
  border-radius: 50%;
  opacity: 0.18;
  will-change: transform;
}

/* Default bubble colors (landing / guest — green theme) */
.bubble-1 {
  width: 380px;
  height: 380px;
  top: -120px;
  left: -100px;
  background: #14532d;
  animation: bubbleFloat1 18s ease-in-out infinite;
}

.bubble-2 {
  width: 260px;
  height: 260px;
  top: 10%;
  right: -80px;
  background: #16a34a;
  animation: bubbleFloat2 22s ease-in-out infinite;
}

.bubble-3 {
  width: 200px;
  height: 200px;
  bottom: -60px;
  right: 15%;
  background: #86efac;
  animation: bubbleFloat3 20s ease-in-out infinite;
}

.bubble-4 {
  width: 140px;
  height: 140px;
  top: 45%;
  left: 5%;
  background: #22c55e;
  animation: bubbleFloat4 16s ease-in-out infinite;
}

.bubble-5 {
  width: 320px;
  height: 320px;
  bottom: -100px;
  left: -60px;
  background: #166534;
  animation: bubbleFloat5 24s ease-in-out infinite;
}

.bubble-6 {
  width: 100px;
  height: 100px;
  top: 25%;
  right: 25%;
  background: #4ade80;
  animation: bubbleFloat6 14s ease-in-out infinite;
}

.bubble-7 {
  width: 180px;
  height: 180px;
  bottom: 20%;
  right: -40px;
  background: #15803d;
  animation: bubbleFloat3 19s ease-in-out infinite reverse;
}

.bubble-8 {
  width: 90px;
  height: 90px;
  top: 60%;
  left: 30%;
  background: #a7f3d0;
  animation: bubbleFloat4 17s ease-in-out infinite reverse;
}

/* Teacher Portal (Blue Theme) — bubbles go blue/navy/cyan */
[data-portal="teacher"] .bubble-1 {
  background: #1e3a8a;
}

[data-portal="teacher"] .bubble-2 {
  background: #2563eb;
}

[data-portal="teacher"] .bubble-3 {
  background: #06b6d4;
}

[data-portal="teacher"] .bubble-4 {
  background: #3b82f6;
}

[data-portal="teacher"] .bubble-5 {
  background: #1d4ed8;
}

[data-portal="teacher"] .bubble-6 {
  background: #60a5fa;
}

[data-portal="teacher"] .bubble-7 {
  background: #0ea5e9;
}

[data-portal="teacher"] .bubble-8 {
  background: #0284c7;
}

/* Parent Portal (Purple Theme) — bubbles go purple/violet/fuchsia */
[data-portal="parent"] .bubble-1 {
  background: #581c87;
}

[data-portal="parent"] .bubble-2 {
  background: #7c3aed;
}

[data-portal="parent"] .bubble-3 {
  background: #a855f7;
}

[data-portal="parent"] .bubble-4 {
  background: #8b5cf6;
}

[data-portal="parent"] .bubble-5 {
  background: #6d28d9;
}

[data-portal="parent"] .bubble-6 {
  background: #c084fc;
}

[data-portal="parent"] .bubble-7 {
  background: #d946ef;
}

[data-portal="parent"] .bubble-8 {
  background: #a78bfa;
}

/* Admin Portal — bubbles go slate/gray/blue */
[data-portal="admin"] .bubble-1 {
  background: #0f172a;
}

[data-portal="admin"] .bubble-2 {
  background: #334155;
}

[data-portal="admin"] .bubble-3 {
  background: #3b82f6;
}

[data-portal="admin"] .bubble-4 {
  background: #1e293b;
}

[data-portal="admin"] .bubble-5 {
  background: #1e3a8a;
}

[data-portal="admin"] .bubble-6 {
  background: #475569;
}

[data-portal="admin"] .bubble-7 {
  background: #2563eb;
}

[data-portal="admin"] .bubble-8 {
  background: #64748b;
}

@keyframes bubbleFloat1 {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  25% {
    transform: translate(30px, 20px) scale(1.05);
  }

  50% {
    transform: translate(-20px, 40px) scale(0.95);
  }

  75% {
    transform: translate(15px, -10px) scale(1.02);
  }
}

@keyframes bubbleFloat2 {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(-40px, 30px) scale(1.08);
  }

  66% {
    transform: translate(20px, -20px) scale(0.92);
  }
}

@keyframes bubbleFloat3 {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  25% {
    transform: translate(20px, -30px) scale(1.06);
  }

  50% {
    transform: translate(-30px, 10px) scale(0.94);
  }

  75% {
    transform: translate(10px, 25px) scale(1.03);
  }
}

@keyframes bubbleFloat4 {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  50% {
    transform: translate(-25px, -25px) scale(1.1);
  }
}

@keyframes bubbleFloat5 {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  20% {
    transform: translate(35px, 15px) scale(1.04);
  }

  40% {
    transform: translate(-15px, 35px) scale(0.96);
  }

  60% {
    transform: translate(25px, -20px) scale(1.06);
  }

  80% {
    transform: translate(-10px, -15px) scale(0.98);
  }
}

@keyframes bubbleFloat6 {

  0%,
  100% {
    transform: translate(0, 0) scale(1);
  }

  33% {
    transform: translate(15px, -20px) scale(1.12);
  }

  66% {
    transform: translate(-20px, 15px) scale(0.88);
  }
}

/* ========== Parent Portal — Purple Theme Override ========== */
[data-portal="parent"] {
  --primary-50: #faf5ff;
  --primary-100: #f3e8ff;
  --primary-200: #e9d5ff;
  --primary-300: #d8b4fe;
  --primary-400: #c084fc;
  --primary-500: #a855f7;
  --primary-600: #9333ea;
  --primary-700: #7e22ce;
  --primary-800: #6b21a8;
  --primary-900: #581c87;

  --accent-400: #60a5fa;
  --accent-500: #3b82f6;
  --accent-600: #2563eb;

  --shadow-glow: 0 0 40px rgba(147, 51, 234, 0.15);
}

/* ========== Teacher Portal — Blue Theme (reinforced) ========== */
[data-portal="teacher"],
[data-portal="admin"] {
  --primary-50: #eff6ff;
  --primary-100: #dbeafe;
  --primary-200: #bfdbfe;
  --primary-300: #93c5fd;
  --primary-400: #60a5fa;
  --primary-500: #3b82f6;
  --primary-600: #2563eb;
  --primary-700: #1d4ed8;
  --primary-800: #1e40af;
  --primary-900: #1e3a8a;

  --shadow-glow: 0 0 40px rgba(59, 130, 246, 0.15);
}


a {
  color: var(--primary-600);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--primary-700);
}

img {
  max-width: 100%;
  height: auto;
}

code {
  font-family: var(--font-mono);
  font-size: 0.875em;
  background: var(--gray-100);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ---------- Layout ---------- */
.wrap {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

main.wrap {
  padding-top: 32px;
  padding-bottom: 48px;
  animation: fadeInUp 0.5s var(--ease-smooth) both;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- App Layout & Sidebar ---------- */
.app-layout {
  display: flex;
  min-height: 100vh;
  width: 100%;
  overflow-x: hidden;
}

/* Sidebar structure — Glassmorphism */
.sidebar {
  width: 260px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border-right: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 4px 0 24px rgba(0, 0, 0, 0.05), inset 0 0 0 1px rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 100;
  position: relative;
  flex-shrink: 0;
}

.sidebar.collapsed {
  width: 78px;
}

@media (max-width: 1024px) {
  .sidebar {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    transform: translateX(-100%);
    box-shadow: var(--shadow-xl);
  }

  .sidebar.mobile-open {
    transform: translateX(0);
  }
}

/* Sidebar Top Brand */
.sidebar-header {
  height: 72px;
  display: flex;
  align-items: center;
  padding: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 8px;
  white-space: nowrap;
  justify-content: flex-start;
  position: relative;
}

.sidebar.collapsed .sidebar-header {
  padding: 0;
  justify-content: flex-start;
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 17px;
  color: var(--gray-900);
  text-decoration: none;
  transition: all 0.3s ease;
}




.collapse-trigger {
  position: absolute;
  right: -14px;
  top: 22px;
  width: 28px;
  height: 28px;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  color: var(--gray-600);
  z-index: 101;
  transition: all 0.2s ease;
  padding: 0;
}

.collapse-trigger:hover {
  background: var(--gray-50);
  color: var(--gray-900);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.chevron-icon {
  transition: transform 0.3s ease;
}

.sidebar.collapsed .collapse-trigger .chevron-icon {
  transform: rotate(180deg);
}

.theme-toggle-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 8px 0 24px 0;
  padding: 10px 12px;
  background: transparent;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.theme-toggle-card:hover {
  background: rgba(255, 255, 255, 0.15);
}

.theme-switch {
  width: 32px;
  height: 18px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 10px;
  position: relative;
  transition: all 0.3s ease;
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.1);
}

.theme-switch-knob {
  width: 14px;
  height: 14px;
  background: #fff;
  border-radius: 50%;
  position: absolute;
  top: 1px;
  left: 2px;
  transition: all 0.3s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

.icon-sun {
  display: none;
}

[data-theme="dark"] .icon-moon {
  display: none;
}

[data-theme="dark"] .icon-sun {
  display: block;
}

.theme-label::after {
  content: 'Dark Mode';
}

[data-theme="dark"] .theme-label::after {
  content: 'Light Mode';
}

.theme-label {
  font-size: 0;
}

.theme-label::after {
  font-size: 14px;
  font-weight: 600;
}

[data-theme="dark"] .theme-toggle-card {
  background: transparent;
  border-color: transparent;
}

[data-theme="dark"] .theme-toggle-card:hover {
  background: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .theme-switch {
  background: var(--primary-500);
  border-color: transparent;
}

[data-theme="dark"] .theme-switch-knob {
  transform: translateX(12px);
}


.sidebar-brand svg,
.sidebar-logo-icon {
  flex-shrink: 0;
  margin-left: -40px;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.collapsed .brand-text {
  opacity: 0;
  width: 0;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar:not(.collapsed) .brand-text {
  opacity: 1;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.collapsed .sidebar-logo-icon {
  width: 40px;
  height: auto;
  margin-left: -40px;
  object-fit: contain;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Nav Sections */
.nav-section {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--primary-500); /* Matched to theme color */
  margin: 18px 8px 8px 8px;
  letter-spacing: .06em;
  white-space: nowrap;
  position: relative;
  overflow: hidden;
  height: 28px;
  display: flex;
  align-items: center;
  line-height: 1;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.collapsed .nav-section {
  color: transparent;
  margin: 18px 16px 8px 16px;
  height: 1px;
  background: rgba(0, 0, 0, 0.06);
  border-radius: 1px;
}

/* Theme Toggle Card */
.theme-toggle-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 8px 0 24px 0;
  padding: 10px 17px;
  background: transparent;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid transparent;
  overflow: hidden;
  white-space: nowrap;
}

.sidebar.collapsed .theme-toggle-card {
  justify-content: center;
}

.sidebar.collapsed .theme-toggle-info {
  margin: 0;
}

.sidebar.collapsed .theme-label,
.sidebar.collapsed .theme-switch {
  display: none;
}

.theme-toggle-info {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--primary-600);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Navigation Links */
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 12px;
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
}


.nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 17px;
  border-radius: 12px;
  position: relative;
  white-space: nowrap;
  overflow: hidden;
  color: var(--primary-600); /* Use theme primary color */
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-link svg {
  flex-shrink: 0;
  color: var(--primary-600); /* Use theme primary color */
  transition: color .2s;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--primary-700);
}

.nav-link:hover svg {
  color: var(--primary-700);
}

.nav-link.active {
  background: rgba(var(--primary-rgb, 59, 130, 246), 0.12);
  color: var(--primary-700);
  box-shadow: 0 2px 8px rgba(var(--primary-rgb, 59, 130, 246), 0.1);
}

.nav-link.active svg {
  color: var(--primary-600);
}

.sidebar.collapsed .nav-link {
  padding: 12px 17px;
}

.sidebar.collapsed .nav-label {
  opacity: 0;
  transition: opacity 0.15s ease;
}

.sidebar:not(.collapsed) .nav-label {
  opacity: 1;
  transition: opacity 0.3s ease 0.1s;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
  overflow: hidden;
  transition: all 0.3s ease;
}

.sidebar.collapsed .sidebar-footer {
  padding: 16px 0;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-info .name {
  font-weight: 700;
  font-size: 13px;
  color: var(--gray-900);
  text-overflow: ellipsis;
  overflow: hidden;
}

.sidebar-user-info .role {
  font-size: 11px;
  color: var(--gray-500);
}

.sidebar.collapsed .sidebar-user-info {
  opacity: 0;
  width: 0;
  height: 0;
  overflow: hidden;
  transition: opacity 0.15s ease;
}

.nav-user-profile {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 11px;
  margin-bottom: 4px;
  border-radius: 12px;
  white-space: nowrap;
  overflow: hidden;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar.collapsed .nav-user-profile {
  padding: 10px 11px;
}

[data-theme="dark"] .sidebar-user-info .name {
  color: var(--gray-100);
}

[data-theme="dark"] .sidebar-user-info .role {
  color: var(--gray-400);
}

.logout-link {
  color: var(--gray-400);
  padding: 6px;
  border-radius: 6px;
  transition: all .2s;
}

.logout-link:hover {
  background: var(--danger-50);
  color: var(--danger-600);
}

/* Mobile Top Header (only visible on small screens) */
.mobile-header {
  display: none;
  height: 60px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--gray-200);
  padding: 0 20px;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 90;
}

.mobile-header-brand {
  font-weight: 800;
  font-size: 16px;
  color: var(--gray-900);
  display: flex;
  align-items: center;
  gap: 8px;
}

.mobile-toggle {
  background: none;
  border: none;
  color: var(--gray-600);
  cursor: pointer;
  padding: 4px;
}

@media (max-width: 1024px) {
  .mobile-header {
    display: flex;
  }
}

/* Sidebar Overlay */
.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(2px);
  z-index: 99;
  opacity: 0;
  transition: opacity .3s;
}

@media (max-width: 1024px) {
  .sidebar-overlay.active {
    display: block;
    opacity: 1;
  }
}

/* Main Content Area */
.main-content {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.main-content>.wrap {
  flex: 1;
  width: 100%;
}

/* ---------- Typography ---------- */
h1 {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

h2 {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

h3 {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

h1,
h2,
h3 {
  margin: 0 0 8px 0;
  color: var(--gray-900);
}

.page-header {
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: var(--border-light);
}

.page-header.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.page-header h2 {
  margin-bottom: 4px;
}

.page-header .page-subtitle {
  color: var(--gray-500);
  font-size: 15px;
}

/* Flex utility */
.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* ---------- Container & Cards ---------- */
.container {
  background: var(--bg-card);
  padding: 28px;
  border-radius: var(--border-radius-xl);
  box-shadow: var(--shadow-card);
  border: var(--border-light);
  animation: cardAppear 0.4s var(--ease-smooth) both;
}

@keyframes cardAppear {
  from {
    opacity: 0;
    transform: translateY(10px) scale(0.99);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.card {
  background: var(--bg-card);
  padding: 20px;
  border-radius: var(--border-radius-lg);
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  border: var(--border-light);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: var(--border-light);
}

.card-header h3 {
  margin: 0;
}

/* Glass card variant */
.card-glass {
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ---------- Stat Cards ---------- */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 20px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(255, 255, 255, 0.5);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
}

.stat-card.stat-blue::before {
  background: linear-gradient(90deg, var(--primary-400), var(--primary-600));
}

.stat-card.stat-green::before {
  background: linear-gradient(90deg, var(--success-400), var(--success-600));
}

.stat-card.stat-amber::before {
  background: linear-gradient(90deg, var(--warning-400), var(--warning-500));
}

.stat-card.stat-purple::before {
  background: linear-gradient(90deg, var(--accent-400), var(--accent-600));
}

.stat-card.stat-red::before {
  background: linear-gradient(90deg, var(--danger-400), var(--danger-600));
}

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

.stat-card .stat-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 20px;
}

.stat-card.stat-blue .stat-icon {
  background: var(--primary-50);
  color: var(--primary-600);
}

.stat-card.stat-green .stat-icon {
  background: var(--success-50);
  color: var(--success-600);
}

.stat-card.stat-amber .stat-icon {
  background: var(--warning-50);
  color: var(--warning-500);
}

.stat-card.stat-purple .stat-icon {
  background: #f5f3ff;
  color: var(--accent-600);
}

.stat-card.stat-red .stat-icon {
  background: var(--danger-50);
  color: var(--danger-600);
}

.stat-card .stat-value {
  font-size: 1.75rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--gray-900);
  line-height: 1;
}

.stat-card .stat-label {
  font-size: 13px;
  font-weight: 500;
  color: var(--gray-500);
  margin-top: 4px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 14px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
  line-height: 1.4;
  white-space: nowrap;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12) 0%, transparent 100%);
  pointer-events: none;
}

/* Primary button */
.btn {
  background: linear-gradient(135deg, var(--primary-500) 0%, var(--primary-700) 100%);
  color: #fff;
  box-shadow: 0 1px 3px rgba(37, 99, 235, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn:hover {
  background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-800) 100%);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
  color: #fff;
}

.btn:active {
  transform: translateY(0);
  box-shadow: 0 1px 2px rgba(37, 99, 235, 0.2);
}

/* Secondary / outline */
.btn.secondary {
  background: var(--bg-card);
  color: var(--primary-600);
  border: 1px solid var(--gray-200);
  box-shadow: var(--shadow-xs);
}

.btn.secondary::after {
  display: none;
}

.btn.secondary:hover {
  background: var(--primary-50);
  border-color: var(--primary-200);
  color: var(--primary-700);
  transform: translateY(-1px);
}

/* Ghost */
.btn.ghost {
  background: transparent;
  color: var(--primary-600);
  border: none;
  box-shadow: none;
}

.btn.ghost::after {
  display: none;
}

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

/* Success button */
.btn.success {
  background: linear-gradient(135deg, var(--success-500) 0%, var(--success-600) 100%);
  color: #fff;
  box-shadow: 0 1px 3px rgba(22, 163, 74, 0.3);
}

.btn.success:hover {
  box-shadow: 0 4px 12px rgba(22, 163, 74, 0.35);
}

/* Danger button */
.btn.danger {
  background: linear-gradient(135deg, var(--danger-500) 0%, var(--danger-600) 100%);
  color: #fff;
  box-shadow: 0 1px 3px rgba(220, 38, 38, 0.3);
}

.btn.danger:hover {
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.35);
}

/* Button sizes */
.btn-sm {
  padding: 6px 14px;
  font-size: 13px;
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--border-radius-sm);
}

/* Button group */
.btn-group {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

/* ---------- Forms ---------- */
form label {
  display: block;
  margin-bottom: 16px;
  color: var(--gray-700);
  font-size: 14px;
  font-weight: 500;
}

input,
textarea,
select {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--gray-200);
  border-radius: var(--border-radius-sm);
  background: var(--bg-card);
  font-family: var(--font-sans);
  font-size: 14px;
  color: var(--gray-900);
  transition: all var(--transition-fast);
  margin-top: 6px;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.12);
}

input::placeholder,
textarea::placeholder {
  color: var(--gray-400);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

input[type="file"] {
  padding: 8px;
  cursor: pointer;
}

/* ---------- Tables ---------- */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--border-radius-md);
  border: var(--border-light);
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
  font-size: 14px;
}

th,
td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--gray-100);
}

th {
  background: var(--gray-50);
  font-weight: 600;
  color: var(--gray-600);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

tr {
  transition: background var(--transition-fast);
}

tr:hover {
  background: var(--gray-25);
}

tr:last-child td {
  border-bottom: none;
}

tbody tr:nth-child(even) {
  background: var(--gray-25);
}

tbody tr:nth-child(even):hover {
  background: var(--primary-50);
}

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

/* ---------- Badges ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: var(--border-radius-full);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.badge-blue {
  background: var(--primary-50);
  color: var(--primary-700);
}

.badge-green {
  background: var(--success-50);
  color: var(--success-600);
}

.badge-amber {
  background: var(--warning-50);
  color: #92400e;
}

.badge-red {
  background: var(--danger-50);
  color: var(--danger-600);
}

.badge-purple {
  background: #f5f3ff;
  color: var(--accent-600);
}

.badge-gray {
  background: var(--gray-100);
  color: var(--gray-600);
}

/* ---------- Landing Page ---------- */
.landing-hero {
  text-align: center;
  padding: 48px 24px 32px;
  position: relative;
  overflow: visible;
}

/* School logo as full-page background */
.school-logo-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  padding: 80px 40px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
  filter: grayscale(20%);
  animation: logoFadeIn 1.4s ease both;
}

@keyframes logoFadeIn {
  from {
    opacity: 0;
    transform: scale(1.03);
  }

  to {
    opacity: 0.15;
    transform: scale(1);
  }
}

/* Ensure hero content stays above the watermark */
.landing-hero .hero-badge,
.landing-hero h1,
.landing-hero .hero-subtitle {
  position: relative;
  z-index: 1;
}

.landing-hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--gray-900) 0%, var(--primary-700) 50%, var(--accent-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
  animation: heroTextIn 0.7s var(--ease-smooth) both;
}

@keyframes heroTextIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.landing-hero .hero-subtitle {
  color: var(--gray-500);
  font-size: 18px;
  max-width: 540px;
  margin: 0 auto;
  animation: heroTextIn 0.7s var(--ease-smooth) 0.1s both;
}

.landing-hero .hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--primary-50);
  color: var(--primary-700);
  border-radius: var(--border-radius-full);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 20px;
  border: 1px solid var(--primary-100);
  animation: heroTextIn 0.6s var(--ease-smooth) both;
}

/* Choice grid (role selection) */
.choice-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  margin-top: 12px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.choice-card {
  background: rgba(255, 255, 255, 0.65);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  padding: 40px 32px;
  border-radius: var(--border-radius-2xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.5);
  transition: all 0.35s var(--ease-spring);
  position: relative;
  overflow: hidden;
  animation: cardSlideUp 0.6s var(--ease-smooth) both;
}

.choice-card:nth-child(1) {
  animation-delay: 0.15s;
}

.choice-card:nth-child(2) {
  animation-delay: 0.25s;
}

.choice-card:nth-child(3) {
  animation-delay: 0.35s;
}

@keyframes cardSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.choice-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-400), var(--accent-500));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.choice-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.choice-card:hover::before {
  opacity: 1;
}

.choice-card .icon {
  width: 72px;
  height: 72px;
  border-radius: var(--border-radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 32px;
}

.choice-card .icon.icon-teacher {
  background: linear-gradient(135deg, var(--primary-50), var(--primary-100));
  color: var(--primary-600);
}

.choice-card .icon.icon-parent {
  background: linear-gradient(135deg, #f5f3ff, #ede9fe);
  color: var(--accent-600);
}

.choice-card .icon.icon-admin {
  background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
  color: var(--gray-700);
}

.choice-card h2 {
  font-size: 1.25rem;
  margin: 8px 0;
}

.choice-card p {
  color: var(--gray-500);
  font-size: 14px;
  margin: 0 0 20px 0;
  line-height: 1.6;
}

.choice-card .cta {
  width: 100%;
}

.choice-card .cta .btn {
  width: 100%;
  justify-content: center;
  padding: 12px 24px;
}

/* ---------- Dashboard Layout ---------- */
.dashboard-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 24px;
  align-items: start;
}
.dashboard-grid > div {
  min-width: 0;
}

@media (max-width: 1024px) {
  .dashboard-grid {
    grid-template-columns: 1fr !important;
  }
}

/* ---------- Action Cards Grid (Teacher Dashboard) ---------- */
.action-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.action-card {
  background: var(--bg-card);
  padding: 24px;
  border-radius: var(--border-radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: var(--border-light);
  transition: all 0.3s var(--ease-spring);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
}

.action-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  color: inherit;
}

.action-card .icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  font-size: 24px;
}

.action-card h3 {
  font-size: 16px;
  margin: 0 0 6px 0;
}

.action-card p {
  margin: 0;
  color: var(--gray-500);
  font-size: 13px;
  line-height: 1.5;
}

/* ---------- Scanner Page ---------- */
.scanner-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 24px;
}

.scanner-viewport {
  position: relative;
  width: 360px;
  max-width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 3px solid var(--gray-200);
}

.scanner-viewport video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.scanner-viewport::after {
  content: '';
  position: absolute;
  inset: 20%;
  border: 2px solid rgba(59, 130, 246, 0.5);
  border-radius: var(--border-radius-md);
  pointer-events: none;
  animation: scan-pulse 2s ease-in-out infinite;
}

@keyframes scan-pulse {

  0%,
  100% {
    opacity: 0.3;
    transform: scale(0.97);
  }

  50% {
    opacity: 0.8;
    transform: scale(1.03);
  }
}

.scanner-result {
  padding: 16px 24px;
  border-radius: var(--border-radius-md);
  background: var(--gray-50);
  border: var(--border-light);
  font-size: 15px;
  font-weight: 500;
  min-width: 280px;
  text-align: center;
  transition: all var(--transition-normal);
}

.scanner-result.success {
  background: var(--success-50);
  color: var(--success-600);
  border-color: var(--success-400);
}

.scanner-result.error {
  background: var(--danger-50);
  color: var(--danger-600);
  border-color: var(--danger-400);
}

/* ---------- Alerts / Notices ---------- */
.alert {
  padding: 14px 18px;
  border-radius: var(--border-radius-md);
  font-size: 14px;
  font-weight: 500;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: alertSlide 0.4s var(--ease-smooth) both;
}

@keyframes alertSlide {
  from {
    opacity: 0;
    transform: translateX(-12px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.alert-success {
  background: var(--success-50);
  color: var(--success-600);
  border: 1px solid rgba(34, 197, 94, 0.2);
}

.alert-error {
  background: var(--danger-50);
  color: var(--danger-600);
  border: 1px solid rgba(239, 68, 68, 0.2);
}

.alert-info {
  background: var(--primary-50);
  color: var(--primary-700);
  border: 1px solid rgba(59, 130, 246, 0.2);
}

.alert-warning {
  background: var(--warning-50);
  color: #92400e;
  border: 1px solid rgba(245, 158, 11, 0.2);
}

/* ---------- Empty States ---------- */
.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--gray-400);
}

.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

.empty-state p {
  font-size: 15px;
}

/* ---------- Flash Messages ---------- */
.flash {
  position: fixed;
  right: 24px;
  bottom: 24px;
  background: var(--gray-900);
  color: #fff;
  padding: 14px 24px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-2xl);
  font-size: 14px;
  font-weight: 500;
  z-index: 9999;
  animation: flashIn 0.4s var(--ease-spring) both;
}

@keyframes flashIn {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.95);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--gray-900);
  color: var(--gray-400);
  padding: 20px 0;
  position: relative;
  z-index: 1;
}

.site-footer .wrap {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.site-footer nav {
  display: flex;
  gap: 16px;
}

.site-footer nav a {
  color: var(--gray-400);
  font-size: 13px;
  font-weight: 500;
  transition: color var(--transition-fast);
}

.site-footer nav a:hover {
  color: #fff;
}

.site-footer small {
  font-size: 13px;
}

.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent);
}

/* ---------- Seamless Header (transparent/glass) ---------- */
.seamless-header {
  display: flex;
  align-items: center;
  padding: 0 24px 0 0;
  height: 72px;
  width: calc(100% - 32px);
  margin: 12px 16px 0;
  z-index: 100;
  position: relative;
  background: linear-gradient(135deg, #14532d 0%, #15803d 50%, #166534 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.18);
  border-radius: 20px;
}

/* Parent portal — dark purple header */
[data-portal="parent"] .seamless-header {
  background: linear-gradient(135deg, #581c87 0%, #7e22ce 50%, #6b21a8 100%);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

/* Teacher portal — dark blue header */
[data-portal="teacher"] .seamless-header {
  background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 50%, #1e40af 100%);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

/* Admin portal — dark slate header */
[data-portal="admin"] .seamless-header {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
  border-bottom-color: rgba(255, 255, 255, 0.06);
}

.seamless-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  text-decoration: none;
  font-size: 18px;
  color: #fff;
}

.seamless-brand-text {
  font-weight: 800;
  background: linear-gradient(135deg, #fff 0%, rgba(255, 255, 255, 0.75) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.seamless-logo-img {
  height: 350px;
  width: auto;
  position: absolute;
  left: -200px;
  top: 100%;
  transform: translateY(-50%);
  z-index: 10;
  filter: drop-shadow(0 4px 20px rgba(0,0,0,0.25));
}

.seamless-school-name {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  padding: 6px 14px;
  background: rgba(255,255,255,0.2);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 16px;
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  backdrop-filter: blur(6px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  white-space: nowrap;
}

/* ---------- Seamless Footer (transparent) ---------- */
.seamless-footer {
  padding: 24px;
  text-align: center;
  color: var(--gray-400);
  font-size: 13px;
  position: relative;
  z-index: 1;
  background: transparent;
  border-top: 1px solid rgba(0, 0, 0, 0.04);
}

/* Dark mode overrides for seamless / glass elements */
[data-theme="dark"] .seamless-header {
  background: transparent;
}

[data-theme="dark"] .seamless-brand {
  color: var(--gray-900);
}

[data-theme="dark"] .seamless-brand-text {
  background: linear-gradient(135deg, #e2e8f0, #94a3b8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="dark"] .seamless-footer {
  color: var(--gray-500);
  border-top-color: rgba(255, 255, 255, 0.04);
}

[data-theme="dark"] .stat-card {
  background: rgba(30, 41, 59, 0.72);
  border-color: rgba(255, 255, 255, 0.06);
}

[data-theme="dark"] .choice-card {
  background: rgba(30, 41, 59, 0.6);
  border-color: rgba(255, 255, 255, 0.06);
}

/* Login card glass effect on non-sidebar pages */
.login-container .card {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .login-container .card {
  background: rgba(30, 41, 59, 0.72);
  border-color: rgba(255, 255, 255, 0.06);
}

/* Portal login section glass effect (parent portal, etc.) */
.portal-login-section .card {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.5);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
}

[data-theme="dark"] .portal-login-section .card {
  background: rgba(30, 41, 59, 0.72);
  border-color: rgba(255, 255, 255, 0.06);
}

/* ---------- Utility Classes ---------- */
.muted {
  color: var(--gray-500);
}

.small-note {
  font-size: 13px;
  color: var(--gray-500);
}

.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: 8px;
}

.mt-3 {
  margin-top: 12px;
}

.mt-4 {
  margin-top: 16px;
}

.mb-4 {
  margin-bottom: 16px;
}

.mb-6 {
  margin-bottom: 24px;
}

.flex-between {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gap-2 {
  gap: 8px;
}

.gap-3 {
  gap: 12px;
}

/* ---------- QR Code Display ---------- */
.qr-display {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  padding: 24px;
  background: #fff;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  border: var(--border-light);
}

.qr-display img {
  border-radius: var(--border-radius-sm);
}

.qr-display code {
  font-size: 12px;
  color: var(--gray-500);
}

/* ---------- Login Page ---------- */
.login-container {
  max-width: 440px;
  margin: 40px auto;
}

.login-container .card {
  padding: 32px;
}

.login-container h2 {
  text-align: center;
  margin-bottom: 24px;
}

/* ---------- Responsive ---------- */

/* ── Tablets (≤ 768px) ── */
@media (max-width: 768px) {

  /* Seamless header mobile logo adjustment */
  .seamless-logo-img {
    display: none;
  }
  
  .seamless-school-name {
    font-size: 13px;
    padding: 4px 10px;
  }

  /* Base layout */
  .wrap {
    padding: 0 16px;
  }

  main.wrap {
    padding-top: 20px;
    padding-bottom: 32px;
  }

  /* Site header (logged-out) */
  .site-header .wrap {
    height: auto;
    padding-top: 12px;
    padding-bottom: 12px;
    flex-wrap: wrap;
  }

  /* Typography */
  h1 {
    font-size: 1.5rem;
  }

  h2 {
    font-size: 1.25rem;
  }

  h3 {
    font-size: 1rem;
  }

  .landing-hero {
    padding: 32px 16px 24px;
  }

  .landing-hero h1 {
    font-size: 1.75rem;
  }

  .landing-hero .hero-subtitle {
    font-size: 15px;
  }

  /* Page headers — stack title and buttons vertically */
  .page-header.flex-between,
  .page-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .page-header .btn-group {
    width: 100%;
    flex-wrap: wrap;
  }

  .page-header .btn-group .btn,
  .page-header .btn-group a.btn {
    flex: 1;
    min-width: 0;
    justify-content: center;
  }

  /* Role selection grid */
  .choice-grid {
    grid-template-columns: 1fr;
  }

  .choice-card {
    padding: 28px 24px;
  }

  /* Stat cards — 2-column */
  .stat-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* Cards & Containers */
  .container {
    padding: 20px;
  }

  .card {
    padding: 16px;
  }

  /* Tables — make scrollable + compact */
  table {
    font-size: 13px;
  }

  th,
  td {
    padding: 10px 12px;
  }

  .table-wrapper {
    -webkit-overflow-scrolling: touch;
    margin: 0 -16px;
    padding: 0 16px;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  /* Dashboard grids (students page, manage parents) — stack vertically */
  .dashboard-grid {
    grid-template-columns: 1fr !important;
  }

  /* Action cards — 2 column */
  .action-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* Tabs — scrollable horizontally */
  .sm-tabs {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }

  .sm-tabs::-webkit-scrollbar {
    display: none;
  }

  .sm-tab {
    flex-shrink: 0;
    padding: 8px 16px;
    font-size: 13px;
  }

  /* Filter row inside card headers — stack */
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .card-header>div {
    width: 100%;
  }

  .card-header input,
  .card-header select {
    width: 100% !important;
    max-width: none !important;
  }

  /* Student table action buttons — smaller */
  td .btn-group {
    flex-direction: column;
    gap: 4px;
  }

  td .btn-group .btn {
    font-size: 11px;
    padding: 4px 10px;
  }

  /* Modals — full width on mobile */
  #modal-delete>div,
  #modal-delete-class>div,
  #modal-delete-all>div {
    max-width: 100%;
    width: calc(100% - 24px);
    padding: 24px;
    margin: 12px;
  }

  /* QR display */
  .qr-display img {
    max-width: 180px;
  }

  /* Class grid — single column */
  .class-grid {
    grid-template-columns: 1fr !important;
  }

  /* Excuse items — vertical */
  .excuse-item {
    flex-direction: column;
    gap: 10px;
  }

  .excuse-item .excuse-actions {
    align-self: flex-end;
  }

  /* Scanner container */
  .scanner-container {
    padding: 16px;
  }

  /* Analytics KPI row */
  .kpi-row {
    grid-template-columns: 1fr !important;
    gap: 12px;
  }

  .charts-grid {
    grid-template-columns: 1fr !important;
    gap: 16px;
  }

  .dashboard-canvas {
    padding: 16px;
    margin: -20px -16px -32px -16px;
  }

  .dash-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

/* ── Small phones (≤ 480px) ── */
@media (max-width: 480px) {
  .wrap {
    padding: 0 12px;
  }

  /* Typography further scaled */
  h1 {
    font-size: 1.25rem;
  }

  h2 {
    font-size: 1.1rem;
  }

  /* Stat cards — single column */
  .stat-grid {
    grid-template-columns: 1fr;
  }

  /* Action cards — single column */
  .action-grid {
    grid-template-columns: 1fr;
  }

  /* Buttons — full width stack */
  .btn-group {
    flex-direction: column;
    width: 100%;
  }

  .btn-group .btn {
    width: 100%;
    justify-content: center;
  }

  /* Landing page */
  .landing-hero {
    padding: 24px 12px 20px;
  }

  .landing-hero h1 {
    font-size: 1.4rem;
  }

  /* Cards tighter padding */
  .card {
    padding: 14px;
  }

  .container {
    padding: 16px;
  }

  /* Tables even more compact */
  th,
  td {
    padding: 8px 10px;
    font-size: 12px;
  }

  /* Hide less-important columns on very small screens */
  table .hide-mobile {
    display: none;
  }

  /* Mobile header */
  .mobile-header {
    padding: 0 12px;
  }

  .seamless-logo-img {
    display: none !important;
  }

  /* Tab badges */
  .sm-tab {
    padding: 7px 12px;
    font-size: 12px;
  }

  /* Class card — tighter */
  .class-card {
    padding: 12px 14px;
    gap: 10px;
  }

  .class-card-icon {
    width: 36px;
    height: 36px;
  }

  .class-card-name {
    font-size: 14px;
  }

  /* QR display — smaller */
  .qr-display img {
    max-width: 150px;
  }

  /* Analytics */
  .dashboard-canvas {
    padding: 12px;
  }

  .kpi-card {
    padding: 16px;
    gap: 14px;
  }

  .kpi-icon {
    width: 40px;
    height: 40px;
  }

  .kpi-data .val {
    font-size: 22px;
  }

  .chart-card {
    padding: 16px;
  }

  /* Student list avatar — smaller on phones */
  .avatar {
    width: 32px;
    height: 32px;
    font-size: 13px;
  }

  .avatar-sm {
    width: 28px;
    height: 28px;
    font-size: 11px;
  }
}

/* ── Touch-friendly: Ensure minimum tap target sizes ── */
@media (pointer: coarse) {

  .btn,
  .nav-link,
  .sm-tab,
  .class-chip,
  .logout-link,
  .mobile-toggle,
  .collapse-trigger {
    min-height: 44px;
    min-width: 44px;
  }

  .nav-link {
    padding: 12px 14px;
  }

  /* Slightly larger form inputs on touch */
  input,
  textarea,
  select {
    padding: 12px 14px;
    font-size: 16px;
    /* prevents iOS zoom on focus */
  }
}

/* ---------- Page-Specific Accents ---------- */
.page-accent-bar {
  height: 4px;
  background: linear-gradient(90deg, var(--primary-400), var(--accent-500), var(--primary-400));
  background-size: 200% 100%;
  animation: accentShimmer 3s ease infinite;
  border-radius: 2px;
  margin-bottom: 24px;
}

@keyframes accentShimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

/* Animated number counter effect */
.counter-animate {
  animation: counterPop 0.5s var(--ease-spring) both;
}

@keyframes counterPop {
  from {
    opacity: 0;
    transform: scale(0.5);
  }

  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Skeleton loading effect */
.skeleton {
  background: linear-gradient(90deg, var(--gray-100) 25%, var(--gray-200) 50%, var(--gray-100) 75%);
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s infinite;
  border-radius: var(--border-radius-sm);
}

@keyframes skeleton-shimmer {
  0% {
    background-position: 200% 0;
  }

  100% {
    background-position: -200% 0;
  }
}

/* Tooltip */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: var(--gray-900);
  color: #fff;
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--transition-fast);
}

[data-tooltip]:hover::after {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Avatar */
.avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-full);
  background: linear-gradient(135deg, var(--primary-400), var(--accent-500));
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 16px;
  flex-shrink: 0;
}

.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: 13px;
}

.avatar-lg {
  width: 52px;
  height: 52px;
  font-size: 20px;
}

/* Divider */
.divider {
  height: 1px;
  background: var(--gray-100);
  margin: 20px 0;
}

/* Student list item */
.student-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px;
  border-radius: var(--border-radius-md);
  transition: background var(--transition-fast);
}

.student-item:hover {
  background: var(--gray-50);
}

.student-item .student-info {
  flex: 1;
}

.student-item .student-name {
  font-weight: 600;
  color: var(--gray-900);
}

.student-item .student-meta {
  font-size: 13px;
  color: var(--gray-500);
}

.student-item .student-actions {
  display: flex;
  gap: 6px;
}

/* Excuse card */
.excuse-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px;
  background: var(--gray-25);
  border-radius: var(--border-radius-md);
  margin-bottom: 10px;
  border: var(--border-light);
  transition: all var(--transition-fast);
}

.excuse-item:hover {
  background: var(--primary-50);
  border-color: var(--primary-100);
}

.excuse-item .excuse-info {
  flex: 1;
}

.excuse-item .excuse-student {
  font-weight: 600;
  font-size: 14px;
}

.excuse-item .excuse-reason {
  font-size: 13px;
  color: var(--gray-600);
  margin-top: 4px;
}

.excuse-item .excuse-date {
  font-size: 12px;
  color: var(--gray-400);
  margin-top: 4px;
}

.excuse-item .excuse-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
}

/* Class selector chips */
.class-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0;
}

.class-chip {
  padding: 4px 14px;
  border-radius: var(--border-radius-full);
  background: var(--gray-100);
  color: var(--gray-700);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: 1px solid transparent;
}

.class-chip:hover,
.class-chip.active {
  background: var(--primary-50);
  color: var(--primary-700);
  border-color: var(--primary-200);
}

/* Scroll reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s var(--ease-smooth);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   MOBILE RESPONSIVE OVERHAUL
   ============================================================ */

/* ── Main content offset when mobile header is visible ── */
@media (max-width: 1024px) {
  .app-layout {
    flex-direction: column;
  }

  .main-content > .wrap,
  .main-content > main.wrap {
    padding-top: 20px;
  }

  /* Prevent sidebar collapse button overlapping on mobile */
  .collapse-trigger {
    display: none;
  }

  /* Ensure body doesn't scroll when sidebar open */
  body.sidebar-mobile-open {
    overflow: hidden;
  }
}

/* ── Tablets & Phones (≤ 768px) ── */
@media (max-width: 768px) {

  /* ─── Wrap & spacing ─── */
  .wrap {
    padding: 0 14px;
  }

  main.wrap {
    padding-top: 16px;
    padding-bottom: 40px;
  }

  /* ─── Page header ─── */
  .page-header {
    margin-bottom: 16px;
    padding-bottom: 12px;
  }

  .page-header.flex-between {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
  }

  .page-header h2 {
    font-size: 1.1rem;
  }

  /* Buttons in header go full width */
  .page-header > .btn,
  .page-header > a.btn {
    width: 100%;
    justify-content: center;
  }

  /* ─── Flash / toast messages ─── */
  .flash {
    right: 12px;
    left: 12px;
    bottom: 16px;
    font-size: 13px;
    padding: 12px 16px;
    text-align: center;
  }

  /* ─── Stat cards: 2-col on tablet, already defined above ─── */

  /* ─── Forms: prevent iOS zoom by setting font-size≥16px ─── */
  input, textarea, select {
    font-size: 16px;
  }

  /* ─── Table scroll hint shadow ─── */
  .table-wrapper {
    box-shadow: inset -8px 0 12px -8px rgba(0,0,0,0.08);
    border-radius: var(--border-radius-md);
  }

  /* ─── Reduce heading inside cards ─── */
  .card h3, .container h3 {
    font-size: 1rem;
  }

  /* ─── Landing choice cards ─── */
  .choice-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .choice-card {
    padding: 28px 20px;
  }

  /* ─── Login page ─── */
  .login-container {
    margin: 20px auto;
    padding: 0;
  }

  .login-container .card {
    padding: 24px 20px;
    border-radius: var(--border-radius-lg);
  }

  /* ─── Seamless header (logged-out pages) ─── */
  .seamless-header {
    height: 58px;
    margin: 8px 10px 0;
    width: calc(100% - 20px);
    padding: 0 14px;
  }

  .seamless-school-name {
    font-size: 12px;
    padding: 3px 8px;
    max-width: 160px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .seamless-logo-img {
    display: none !important;
  }

  /* ─── Parent portal: children cards ─── */
  .children-grid {
    grid-template-columns: 1fr !important;
    gap: 14px !important;
  }

  .child-card {
    padding: 16px !important;
  }

  /* ─── Attendance session: student list ─── */
  .session-student-list .student-item {
    flex-wrap: wrap;
    gap: 8px;
  }

  .session-student-list .student-item .student-actions {
    margin-left: auto;
  }

  /* ─── Attendance table: hide less critical cols ─── */
  .attendance-table .hide-mobile,
  table .col-hide-mobile {
    display: none;
  }

  /* ─── Manage parents: filter row ─── */
  .filter-row {
    flex-direction: column !important;
    gap: 10px !important;
  }

  .filter-row input,
  .filter-row select {
    width: 100% !important;
    max-width: none !important;
  }

  /* ─── Scanner page ─── */
  .scanner-viewport {
    width: 100%;
    max-width: 340px;
  }

  .scanner-result {
    min-width: 0;
    width: 100%;
  }

  /* ─── Analytics: class selector chips ─── */
  .class-chips {
    gap: 6px;
  }

  .class-chip {
    font-size: 12px;
    padding: 4px 12px;
  }

  /* ─── Admin panel: tables ─── */
  .admin-table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* ─── Button sizing on mobile ─── */
  .btn {
    padding: 10px 16px;
    font-size: 13px;
  }

  .btn-sm {
    padding: 6px 12px;
    font-size: 12px;
  }

  /* Prevent overflow of horizontal flex containers */
  .flex-between {
    flex-wrap: wrap;
    gap: 8px;
  }
}

/* ── Small phones (≤ 480px) ── */
@media (max-width: 480px) {

  /* ─── Wrap tighter ─── */
  .wrap {
    padding: 0 10px;
  }

  main.wrap {
    padding-top: 12px;
    padding-bottom: 32px;
  }

  /* ─── Typography ─── */
  h1 { font-size: 1.2rem; }
  h2 { font-size: 1.05rem; }
  h3 { font-size: 0.95rem; }

  /* ─── Stat cards: 1-column ─── */
  .stat-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .stat-card {
    padding: 16px;
  }

  .stat-card .stat-value {
    font-size: 1.4rem;
  }

  /* ─── Action cards: 1-column ─── */
  .action-grid {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  /* ─── Tables very compact ─── */
  th, td {
    padding: 8px 8px;
    font-size: 12px;
  }

  /* ─── Cards ─── */
  .card {
    padding: 12px;
    border-radius: var(--border-radius-md);
  }

  .container {
    padding: 14px;
    border-radius: var(--border-radius-lg);
  }

  /* ─── Page header tighter ─── */
  .page-header {
    margin-bottom: 12px;
  }

  .page-header h2 {
    font-size: 1rem;
  }

  /* ─── Button groups: stack ─── */
  .btn-group {
    flex-direction: column;
    gap: 6px;
  }

  .btn-group .btn,
  .btn-group a.btn {
    width: 100%;
    justify-content: center;
  }

  /* ─── Landing hero ─── */
  .landing-hero {
    padding: 20px 10px 16px;
  }

  .landing-hero h1 {
    font-size: 1.3rem;
  }

  .landing-hero .hero-subtitle {
    font-size: 14px;
  }

  .choice-card {
    padding: 22px 16px;
  }

  /* ─── Login ─── */
  .login-container .card {
    padding: 20px 14px;
  }

  /* ─── Seamless header ─── */
  .seamless-header {
    height: 52px;
    margin: 6px 8px 0;
    width: calc(100% - 16px);
    border-radius: 14px;
  }

  .seamless-school-name {
    display: block;
    max-width: 200px; /* Take advantage of the freed-up space from the hidden logo */
  }

  .seamless-logo-img {
    display: none !important;
  }

  /* ─── Mobile header ─── */
  .mobile-header {
    padding: 0 10px;
    height: 54px;
  }

  /* ─── Parent portal ─── */
  .child-card {
    padding: 14px !important;
    border-radius: var(--border-radius-md) !important;
  }

  /* ─── Attendance session tiles ─── */
  .today-activity-grid {
    grid-template-columns: 1fr !important;
    gap: 10px;
  }

  /* ─── Flash toast ─── */
  .flash {
    right: 8px;
    left: 8px;
    bottom: 10px;
    font-size: 12px;
    padding: 10px 14px;
  }

  /* ─── Avatar smaller ─── */
  .avatar {
    width: 34px;
    height: 34px;
    font-size: 13px;
  }

  .avatar-sm {
    width: 28px;
    height: 28px;
    font-size: 10px;
  }

  /* ─── Modal dialogs full-screen ─── */
  [id^="modal-"] > div {
    width: calc(100% - 16px) !important;
    max-width: none !important;
    padding: 20px 14px !important;
    margin: 8px !important;
    border-radius: var(--border-radius-lg) !important;
  }

  /* ─── Excuse items ─── */
  .excuse-item {
    flex-direction: column;
    gap: 8px;
    padding: 12px;
  }

  .excuse-item .excuse-actions {
    align-self: flex-end;
    flex-direction: row;
  }

  /* ─── Student list items ─── */
  .student-item {
    flex-wrap: wrap;
    gap: 8px;
    padding: 10px;
  }

  .student-item .student-actions {
    width: 100%;
    justify-content: flex-end;
  }

  /* ─── QR display ─── */
  .qr-display {
    padding: 16px;
  }

  .qr-display img {
    max-width: 140px;
  }

  /* ─── Analytics chart cards ─── */
  .chart-card, .kpi-card {
    padding: 14px;
  }

  .kpi-data .val {
    font-size: 20px;
  }

  /* ─── Attendance class chips ─── */
  .class-chip {
    padding: 4px 10px;
    font-size: 11px;
  }

  /* ─── Tab bar (sm-tabs) ─── */
  .sm-tab {
    padding: 7px 10px;
    font-size: 11px;
    flex-shrink: 0;
  }
}

/* ── Very small phones (≤ 375px) ── */
@media (max-width: 375px) {
  .wrap {
    padding: 0 8px;
  }

  .stat-card .stat-value {
    font-size: 1.25rem;
  }

  .btn {
    padding: 9px 12px;
    font-size: 12px;
  }

  th, td {
    padding: 6px 6px;
    font-size: 11px;
  }
}

/* ── Ensure tables always scroll on all phones ── */
@media (max-width: 1024px) {
  .table-wrapper {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    max-width: 100%;
  }

  table {
    min-width: 480px; /* forces scroll on narrow tables */
  }

  /* But let simple 2-col tables shrink naturally */
  table.table-compact {
    min-width: 0;
  }
}

/* ── Safe-area insets for notched phones (iPhone X+) ── */
@supports (padding: env(safe-area-inset-bottom)) {
  .mobile-header {
    padding-top: env(safe-area-inset-top);
  }

  .flash {
    bottom: calc(16px + env(safe-area-inset-bottom));
  }

  main.wrap {
    padding-bottom: calc(40px + env(safe-area-inset-bottom));
  }
}