/* ============================================================
   KidsPrintableGenerator — Design System
   Modern SaaS UI: Clean, Professional, Friendly
   Google Font: Inter
============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ─── CSS Custom Properties ─────────────────────────────────── */
:root {
  /* Brand Colors */
  --color-primary:       #6366f1;
  --color-primary-dark:  #4f46e5;
  --color-primary-light: #818cf8;
  --color-primary-50:    #eef2ff;
  --color-primary-100:   #e0e7ff;
  --color-accent:        #f59e0b;
  --color-accent-dark:   #d97706;
  --color-success:       #10b981;
  --color-danger:        #ef4444;
  --color-warning:       #f59e0b;
  --color-info:          #3b82f6;

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

  /* Typography */
  --font-sans:    'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;

  /* Sizing */
  --radius-sm:  6px;
  --radius-md:  10px;
  --radius-lg:  16px;
  --radius-xl:  24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-glow: 0 0 0 4px rgb(99 102 241 / 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 200ms ease;
  --transition-slow: 300ms ease;

  /* Layout */
  --sidebar-width: 260px;
  --topbar-height: 64px;
  --content-max-width: 1280px;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-gray-800);
  background: var(--color-gray-50);
  -webkit-font-smoothing: antialiased;
}

img, video { max-width: 100%; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--color-primary-dark); }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.25;
  color: var(--color-gray-900);
}

/* ─── Utility Classes ────────────────────────────────────────── */
.container { width: 100%; max-width: var(--content-max-width); margin: 0 auto; padding: 0 24px; }
.container-sm { max-width: 640px; }
.container-md { max-width: 768px; }
.text-center { text-align: center; }
.text-sm { font-size: 0.875rem; }
.text-xs { font-size: 0.75rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-muted { color: var(--color-gray-500); }
.text-primary { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-danger { color: var(--color-danger); }
.mt-1 { margin-top: 4px; }
.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; }
.mb-8 { margin-bottom: 32px; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.grid { display: grid; }
.w-full { width: 100%; }
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* ─── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 20px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  user-select: none;
}
.btn:focus-visible { outline: none; box-shadow: var(--shadow-glow); }
.btn:disabled { opacity: 0.5; pointer-events: none; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover {
  background: var(--color-primary-dark);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-primary-lg {
  padding: 14px 32px;
  font-size: 1rem;
  border-radius: var(--radius-md);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-gray-300);
  color: var(--color-gray-700);
}
.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-50);
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-gray-600);
}
.btn-ghost:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-900);
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover { background: #dc2626; color: #fff; }

.btn-sm { padding: 6px 14px; font-size: 0.8125rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }
.btn-icon { padding: 10px; width: 40px; height: 40px; }
.btn-icon-sm { padding: 6px; width: 32px; height: 32px; }

/* Gradient button */
.btn-gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, #8b5cf6 100%);
  color: #fff;
  border: none;
  box-shadow: 0 4px 14px rgb(99 102 241 / 0.35);
}
.btn-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgb(99 102 241 / 0.45);
  color: #fff;
}

/* ─── Form Elements ──────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 20px; }

.form-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-700);
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 11px 14px;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  color: var(--color-gray-800);
  background: #fff;
  border: 1.5px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  outline: none;
}
.form-input::placeholder { color: var(--color-gray-400); }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgb(99 102 241 / 0.12);
}
.form-input.is-invalid, .form-select.is-invalid {
  border-color: var(--color-danger);
}

.form-hint { font-size: 0.8125rem; color: var(--color-gray-500); }
.form-error { font-size: 0.8125rem; color: var(--color-danger); }

/* ─── Cards ──────────────────────────────────────────────────── */
.card {
  background: #fff;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.card-body { padding: 24px; }
.card-header { padding: 20px 24px; border-bottom: 1px solid var(--color-gray-100); display: flex; align-items: center; justify-content: space-between; }
.card-footer { padding: 16px 24px; border-top: 1px solid var(--color-gray-100); background: var(--color-gray-50); }

.card-hover {
  transition: box-shadow var(--transition-base), transform var(--transition-base);
  cursor: pointer;
}
.card-hover:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* ─── Alerts / Flash Messages ────────────────────────────────── */
.alert {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 20px;
}
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.alert-error   { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-info    { background: #eff6ff; color: #1e40af; border: 1px solid #bfdbfe; }
.alert-warning { background: #fffbeb; color: #92400e; border: 1px solid #fde68a; }

/* ─── Tables & Data Grids ────────────────────────────────────── */
.table-wrap, .table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-gray-200);
  background: #ffffff;
}
.table-wrap table, .table-responsive table, table.table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  text-align: left;
}
.table-wrap th, .table-responsive th, table.table th {
  padding: 12px 16px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-gray-500);
  background: var(--color-gray-50);
  border-bottom: 1px solid var(--color-gray-200);
  white-space: nowrap;
}
.table-wrap td, .table-responsive td, table.table td {
  padding: 14px 16px;
  font-size: 0.875rem;
  color: var(--color-gray-700);
  border-bottom: 1px solid var(--color-gray-100);
  vertical-align: middle;
}
.table-wrap tr:last-child td, .table-responsive tr:last-child td, table.table tr:last-child td {
  border-bottom: none;
}
.table-wrap tr:hover td, .table-responsive tr:hover td, table.table tr:hover td {
  background: var(--color-gray-50);
}

/* ─── Badge ──────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  line-height: 1.5;
}
.badge-primary  { background: var(--color-primary-100); color: var(--color-primary-dark); }
.badge-success  { background: #d1fae5; color: #065f46; }
.badge-warning  { background: #fef3c7; color: #92400e; }
.badge-danger   { background: #fee2e2; color: #991b1b; }
.badge-neutral  { background: var(--color-gray-100); color: var(--color-gray-700); }

/* ─── Public Navbar ──────────────────────────────────────────── */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-gray-200);
  height: 64px;
}
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 24px;
  max-width: var(--content-max-width);
  margin: 0 auto;
}
.navbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.navbar-brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #8b5cf6 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}
.navbar-brand-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--color-gray-900);
}
.navbar-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  list-style: none;
}
.navbar-nav a {
  padding: 8px 14px;
  color: var(--color-gray-600);
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
}
.navbar-nav a:hover { background: var(--color-gray-100); color: var(--color-gray-900); }
.navbar-actions { display: flex; align-items: center; gap: 8px; }

/* ─── Footer ─────────────────────────────────────────────────── */
.footer {
  background: var(--color-gray-900);
  color: var(--color-gray-400);
  padding: 60px 0 32px;
  margin-top: 0;
}
.footer a { color: var(--color-gray-400); }
.footer a:hover { color: #fff; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
.footer-brand-name { font-family: var(--font-display); font-size: 1.25rem; font-weight: 800; color: #fff; }
.footer-tagline { font-size: 0.875rem; margin-top: 8px; line-height: 1.5; }
.footer-heading { font-size: 0.8125rem; font-weight: 700; color: #fff; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 16px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-links a { font-size: 0.9rem; }
.footer-bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid var(--color-gray-800); display: flex; align-items: center; justify-content: space-between; font-size: 0.875rem; }

/* ─── Hero Section ───────────────────────────────────────────── */
.hero {
  padding: 80px 0 100px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgb(99 102 241 / 0.12) 0%, transparent 70%);
  pointer-events: none;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: var(--color-primary-50);
  color: var(--color-primary-dark);
  border: 1px solid var(--color-primary-100);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 900;
  color: var(--color-gray-900);
  line-height: 1.1;
  margin-bottom: 20px;
}
.hero-title .gradient {
  background: linear-gradient(135deg, var(--color-primary) 0%, #8b5cf6 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-description {
  font-size: 1.125rem;
  color: var(--color-gray-600);
  max-width: 620px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

/* ─── Section Layout ─────────────────────────────────────────── */
.section { padding: 80px 0; }
.section-sm { padding: 48px 0; }
.section-header { text-align: center; margin-bottom: 48px; }
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-primary);
  margin-bottom: 12px;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 16px;
}
.section-subtitle {
  font-size: 1.0625rem;
  color: var(--color-gray-600);
  max-width: 560px;
  margin: 0 auto;
}

/* ─── Feature Grid ───────────────────────────────────────────── */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.feature-card {
  padding: 28px;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  background: #fff;
  transition: all var(--transition-slow);
}
.feature-card:hover {
  border-color: var(--color-primary-light);
  box-shadow: 0 8px 24px rgb(99 102 241 / 0.08);
  transform: translateY(-3px);
}
.feature-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: var(--color-primary-50);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 18px;
}
.feature-title { font-size: 1.0625rem; font-weight: 700; margin-bottom: 8px; }
.feature-desc { font-size: 0.9rem; color: var(--color-gray-600); line-height: 1.6; }

/* ─── Pricing Cards ──────────────────────────────────────────── */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; max-width: 900px; margin: 0 auto; }
.pricing-card {
  background: #fff;
  border: 2px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: 32px 28px;
  position: relative;
}
.pricing-card.featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgb(99 102 241 / 0.1);
}
.pricing-popular {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.pricing-name { font-size: 1.125rem; font-weight: 700; }
.pricing-price { font-family: var(--font-display); font-size: 2.5rem; font-weight: 900; color: var(--color-gray-900); margin: 12px 0; }
.pricing-price sup { font-size: 1rem; font-weight: 600; vertical-align: super; }
.pricing-price span { font-size: 1rem; color: var(--color-gray-500); font-weight: 400; }
.pricing-features { list-style: none; display: flex; flex-direction: column; gap: 10px; margin: 24px 0; }
.pricing-features li { display: flex; align-items: center; gap: 10px; font-size: 0.9rem; color: var(--color-gray-700); }
.pricing-features li .check { color: var(--color-success); font-size: 1rem; }

/* ─── Sidebar Layout (Dashboard) ────────────────────────────── */
.app-layout { display: flex; min-height: 100vh; background: var(--color-gray-50); }

.sidebar {
  width: var(--sidebar-width);
  min-height: 100vh;
  background: #fff;
  border-right: 1px solid var(--color-gray-200);
  display: flex;
  flex-direction: column;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  overflow-y: auto;
  z-index: 50;
}
.sidebar-header {
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--color-gray-100);
  flex-shrink: 0;
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.sidebar-brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #8b5cf6 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.sidebar-brand-name {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-gray-900);
}
.sidebar-nav { padding: 16px 12px; flex: 1; }
.sidebar-nav-label {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-gray-400);
  padding: 12px 10px 6px;
}
.sidebar-nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 12px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-gray-600);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
  text-decoration: none;
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
}
.sidebar-nav-item:hover { background: var(--color-gray-100); color: var(--color-gray-900); }
.sidebar-nav-item.active { background: var(--color-primary-50); color: var(--color-primary-dark); font-weight: 600; }
.sidebar-nav-item .nav-icon { width: 18px; height: 18px; flex-shrink: 0; }
.sidebar-nav-item .nav-badge { margin-left: auto; background: var(--color-primary); color: #fff; font-size: 0.7rem; padding: 1px 7px; border-radius: 99px; }
.sidebar-footer { padding: 16px; border-top: 1px solid var(--color-gray-100); }

/* ─── Sidebar Mobile Backdrop ────────────────────────────────── */
.sidebar-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 9998;
  opacity: 0;
  transition: opacity 0.25s ease;
}
.sidebar-backdrop.show {
  display: block;
  opacity: 1;
}

/* ─── App Topbar ─────────────────────────────────────────────── */
.app-main { margin-left: var(--sidebar-width); flex: 1; display: flex; flex-direction: column; min-width: 0; }
.app-topbar {
  height: var(--topbar-height);
  background: #fff;
  border-bottom: 1px solid var(--color-gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 40;
}
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-gray-700);
  cursor: pointer;
  padding: 8px;
  margin-right: 12px;
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  transition: background 0.15s ease;
}
.mobile-menu-toggle:hover {
  background: var(--color-gray-100);
  color: var(--color-gray-900);
}
.app-topbar-title { font-size: 1.125rem; font-weight: 700; color: var(--color-gray-900); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.app-topbar-actions { display: flex; align-items: center; gap: 8px; }

@media (max-width: 1024px) {
  .mobile-menu-toggle {
    display: inline-flex !important;
  }
  .app-main {
    margin-left: 0 !important;
  }
  .sidebar {
    transform: translateX(-100%);
    transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 9999 !important;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    position: fixed !important;
    left: 0;
    top: 0;
    bottom: 0;
    width: var(--sidebar-width);
  }
  .sidebar.show {
    transform: translateX(0) !important;
  }
}
.topbar-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--color-primary) 0%, #8b5cf6 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 0.875rem;
  cursor: pointer;
}

/* ─── App Content Area ───────────────────────────────────────── */
.app-content { padding: 28px; flex: 1; min-width: 0; }

@media (max-width: 768px) {
  .app-content { padding: 18px 14px; }
  .app-topbar { padding: 0 14px; }
  .app-topbar-title { font-size: 1rem; max-width: 170px; }
}

/* ─── Dashboard Stats ────────────────────────────────────────── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 20px; }
.stat-card { background: #fff; border: 1px solid var(--color-gray-200); border-radius: var(--radius-lg); padding: 20px 24px; }
.stat-label { font-size: 0.8125rem; font-weight: 600; color: var(--color-gray-500); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-value { font-family: var(--font-display); font-size: 2rem; font-weight: 800; color: var(--color-gray-900); margin: 4px 0; line-height: 1; }
.stat-sub { font-size: 0.8125rem; color: var(--color-gray-500); }

/* ─── Progress Bar ───────────────────────────────────────────── */
.progress { height: 8px; background: var(--color-gray-100); border-radius: 99px; overflow: hidden; }
.progress-bar {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary) 0%, #8b5cf6 100%);
  border-radius: 99px;
  transition: width 0.6s ease;
}
.progress-bar.warning { background: var(--color-warning); }
.progress-bar.danger { background: var(--color-danger); }

/* ─── Book Card ──────────────────────────────────────────────── */
.book-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 20px; }
.book-card {
  background: #fff;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  /* Removed overflow: hidden so dropdown menus don't get clipped */
  transition: all var(--transition-base);
  cursor: pointer;
}
.book-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); border-color: var(--color-primary-light); }
.book-cover {
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--color-primary-100) 100%);
  border-top-left-radius: calc(var(--radius-lg) - 1px);
  border-top-right-radius: calc(var(--radius-lg) - 1px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
}
.book-info { padding: 14px; }
.book-title { font-size: 0.9375rem; font-weight: 700; color: var(--color-gray-800); margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.book-meta { font-size: 0.8125rem; color: var(--color-gray-500); }

/* ─── Page Sections BG ───────────────────────────────────────── */
.bg-white { background: #fff; }
.bg-gray { background: var(--color-gray-50); }
.bg-dark { background: var(--color-gray-900); }
.bg-gradient { background: linear-gradient(135deg, var(--color-primary-50) 0%, #ede9fe 100%); }

/* ─── Step / How it works ────────────────────────────────────── */
.steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 24px; }
.step-card { text-align: center; padding: 28px 20px; }
.step-number {
  width: 52px;
  height: 52px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #8b5cf6 100%);
  color: #fff;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0 auto 16px;
}
.step-title { font-size: 1rem; font-weight: 700; margin-bottom: 8px; }
.step-desc { font-size: 0.875rem; color: var(--color-gray-600); }

/* ─── Dropdown Menu ──────────────────────────────────────────── */
.dropdown { position: relative; display: inline-block; }
.dropdown-menu {
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  background: #fff;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  min-width: 200px;
  padding: 6px;
  z-index: 200;
  display: none;
  animation: dropFadeIn 0.15s ease;
}
.dropdown-menu.show { display: block; }
.dropdown-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px;
  font-size: 0.9rem;
  color: var(--color-gray-700);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
  cursor: pointer;
  border: none;
  background: none;
  width: 100%;
  text-decoration: none;
}
.dropdown-item:hover { background: var(--color-gray-100); color: var(--color-gray-900); }
.dropdown-divider { border-top: 1px solid var(--color-gray-100); margin: 6px 0; }

/* ─── Table ──────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); border: 1px solid var(--color-gray-200); }
table { width: 100%; border-collapse: collapse; background: #fff; }
thead th { background: var(--color-gray-50); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-gray-500); padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--color-gray-200); }
tbody td { padding: 14px 16px; font-size: 0.9rem; color: var(--color-gray-700); border-bottom: 1px solid var(--color-gray-100); }
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: var(--color-gray-50); }

/* ─── Pagination ─────────────────────────────────────────────── */
.pagination { display: flex; align-items: center; justify-content: center; gap: 4px; margin-top: 24px; }
.page-btn {
  padding: 7px 12px;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-sm);
  background: #fff;
  color: var(--color-gray-700);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.page-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.page-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ─── Empty State ────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 64px 24px; }
.empty-icon { font-size: 4rem; margin-bottom: 16px; }
.empty-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 8px; }
.empty-desc { color: var(--color-gray-500); margin-bottom: 24px; }

/* ─── Animations ─────────────────────────────────────────────── */
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes dropFadeIn { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: translateY(0); } }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.6; } }
@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
@keyframes slideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }

.animate-fadeIn { animation: fadeIn 0.3s ease both; }
.animate-slideUp { animation: slideUp 0.4s ease both; }
.spinner { animation: spin 0.8s linear infinite; }

/* ─── Auth Pages ─────────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #f0f0ff 0%, #fff 50%, #fdf4ff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}
.auth-card {
  background: #fff;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  max-width: 440px;
  box-shadow: var(--shadow-xl);
}
.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  margin-bottom: 32px;
  text-decoration: none;
}
.auth-logo-icon {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #8b5cf6 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
}
.auth-title { font-family: var(--font-display); font-size: 1.625rem; font-weight: 800; text-align: center; margin-bottom: 6px; }
.auth-subtitle { text-align: center; color: var(--color-gray-500); font-size: 0.9375rem; margin-bottom: 32px; }
.auth-divider { display: flex; align-items: center; gap: 12px; color: var(--color-gray-400); font-size: 0.875rem; margin: 20px 0; }
.auth-divider::before, .auth-divider::after { content: ''; flex: 1; height: 1px; background: var(--color-gray-200); }
.auth-footer { text-align: center; font-size: 0.9rem; color: var(--color-gray-600); margin-top: 24px; }

/* ─── Usage bar in sidebar ───────────────────────────────────── */
.usage-item { margin-bottom: 12px; }
.usage-label-row { display: flex; justify-content: space-between; font-size: 0.8rem; color: var(--color-gray-600); margin-bottom: 4px; }

/* ─── Responsive ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .sidebar { display: none; }
  .sidebar.show { display: flex !important; box-shadow: var(--shadow-lg); }
  .mobile-menu-toggle { display: inline-flex !important; }
  .app-main { margin-left: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  html, body {
    overflow-x: hidden;
    max-width: 100vw;
    width: 100%;
  }

  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  /* Navbar */
  .navbar-inner {
    height: 60px;
    padding: 0;
  }
  .navbar-nav {
    display: none;
  }
  .navbar-brand-name {
    font-size: 1.125rem;
  }
  .navbar-brand-logo {
    max-height: 32px;
  }
  .navbar-actions .btn {
    padding: 6px 12px;
    font-size: 0.8125rem;
  }

  /* Hero */
  .hero {
    padding: 36px 0 24px;
  }
  .hero-badge {
    font-size: 0.75rem;
    padding: 4px 12px;
  }
  .hero-title {
    font-size: clamp(1.85rem, 6.5vw, 2.5rem);
    line-height: 1.18;
    letter-spacing: -0.02em;
    word-break: break-word;
  }
  .hero-subtitle {
    font-size: 0.95rem;
    line-height: 1.55;
    padding: 0 4px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-width: 320px;
    margin: 20px auto 0;
    gap: 10px;
  }
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  .hero-trust-list {
    gap: 8px 14px;
    font-size: 0.78rem;
    margin-top: 16px;
  }

  /* Hero Board */
  .hero-visual-board {
    padding: 16px 12px;
    margin-top: 24px;
    border-radius: 16px;
  }
  .mockup-flow-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .mockup-flow-arrow {
    transform: rotate(90deg);
    padding: 4px 0;
    font-size: 1.25rem;
  }

  /* Sections */
  .section {
    padding: 48px 0;
  }
  .section-header {
    margin-bottom: 28px;
  }
  .section-title {
    font-size: 1.625rem;
    line-height: 1.25;
  }
  .section-subtitle {
    font-size: 0.9rem;
    line-height: 1.55;
  }

  /* Grids & Cards */
  .audience-strip {
    grid-template-columns: 1fr;
    gap: 10px;
  }
  .audience-pill {
    padding: 14px;
  }
  .commercial-split {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .etsy-bundle-box, .kdp-specs-box {
    padding: 16px;
    border-radius: 16px;
  }
  .compare-table-wrap {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    width: 100%;
    border-radius: 12px;
  }
  .compare-table {
    min-width: 540px;
  }

  /* Pricing */
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 340px;
    margin: 0 auto;
    gap: 20px;
  }

  /* FAQ */
  .faq-btn {
    padding: 14px 16px;
    font-size: 0.9375rem;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 8px;
  }

  .app-content {
    padding: 16px;
  }
  .auth-card {
    padding: 24px 16px;
    border-radius: 16px;
  }
}

/* ─── Scrollbar ──────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--color-gray-300); border-radius: 99px; }
::-webkit-scrollbar-thumb:hover { background: var(--color-gray-400); }

/* ─── Tooltip ────────────────────────────────────────────────── */
[data-tooltip] { position: relative; }
[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-gray-900);
  color: #fff;
  font-size: 0.75rem;
  padding: 5px 10px;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--transition-fast);
}
[data-tooltip]:hover::after { opacity: 1; }

/* ─── Landing Page Overhaul Styles ───────────────────────────── */
.hero-trust-list {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-gray-600);
}
.hero-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-trust-check {
  color: var(--color-success);
  font-weight: 800;
  font-size: 1rem;
}

/* Hero Visual Product Mockup */
.hero-visual-board {
  margin-top: 40px;
  background: linear-gradient(180deg, rgba(255,255,255,0.9) 0%, rgba(243,244,246,0.7) 100%);
  border: 1px solid rgba(99, 102, 241, 0.15);
  border-radius: var(--radius-2xl);
  padding: 32px 24px;
  box-shadow: 0 20px 40px -15px rgba(99, 102, 241, 0.12), 0 0 0 1px rgba(99, 102, 241, 0.05);
  position: relative;
}
.mockup-flow-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1.15fr;
  align-items: center;
  gap: 16px;
}
.mockup-sheet-card {
  background: #ffffff;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px;
  box-shadow: 0 10px 25px -5px rgba(0,0,0,0.08);
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
  text-align: left;
}
.mockup-sheet-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 30px -5px rgba(99, 102, 241, 0.15);
  border-color: var(--color-primary-light);
}
.mockup-sheet-tag {
  font-size: 0.7rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 8px;
  border-radius: 6px;
  display: inline-block;
  margin-bottom: 8px;
}
.mockup-book-card {
  background: linear-gradient(135deg, #1e1b4b 0%, #312e81 100%);
  color: #ffffff;
  border-radius: 14px;
  padding: 20px;
  box-shadow: 0 15px 35px -5px rgba(30, 27, 75, 0.35);
  text-align: left;
  border: 2px solid #4338ca;
  position: relative;
}
.mockup-flow-arrow {
  font-size: 1.5rem;
  color: var(--color-primary);
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ─── Real Product Demo Responsive Classes ─────────────────────── */
.product-demo-card {
  padding: 32px;
  background: #ffffff;
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--color-gray-200);
  max-width: 960px;
  margin: 0 auto;
}
.demo-steps-indicator-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--color-gray-200);
  padding-bottom: 16px;
}
.demo-step-badge {
  padding: 8px 12px;
  border-radius: 8px;
}
.product-demo-split-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 30px;
  align-items: center;
}
.demo-settings-panel {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 20px;
}
.demo-preview-sheet {
  background: #ffffff;
  border: 2px solid #cbd5e1;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 10px 20px -5px rgba(0,0,0,0.05);
  text-align: center;
}
.demo-sheet-header {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 8px;
  margin-bottom: 12px;
  font-size: 0.75rem;
  color: #64748b;
  flex-wrap: wrap;
  gap: 6px;
}

/* ─── Teachers & Parents Responsive Classes ────────────────────── */
.teacher-box {
  background: linear-gradient(135deg, #f0fdf4 0%, #dcfce7 100%);
  border: 1px solid #86efac;
  border-radius: var(--radius-2xl);
  padding: 40px 32px;
}
.teacher-split-grid,
.parents-split-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}

@media (max-width: 900px) {
  .product-demo-card {
    padding: 20px 16px;
    border-radius: 18px;
  }
  .demo-steps-indicator-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    margin-bottom: 18px;
    padding-bottom: 12px;
  }
  .product-demo-split-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .teacher-box {
    padding: 24px 16px;
    border-radius: 18px;
  }
  .teacher-split-grid,
  .parents-split-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .demo-steps-indicator-grid {
    grid-template-columns: 1fr;
  }
  .product-demo-card {
    padding: 16px 12px;
  }
  .demo-settings-panel,
  .demo-preview-sheet {
    padding: 14px 12px;
  }
}

/* Audience Grid */
.audience-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  margin-top: 32px;
}
.audience-pill {
  background: #ffffff;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-xl);
  padding: 20px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-xs);
}
.audience-pill:hover {
  border-color: var(--color-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Commercial Showcase Cards */
.commercial-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.etsy-bundle-box {
  background: #ffffff;
  border: 2px dashed #f97316;
  border-radius: var(--radius-xl);
  padding: 24px;
  background: #fffaf5;
}
.kdp-specs-box {
  background: #ffffff;
  border: 2px solid #6366f1;
  border-radius: var(--radius-xl);
  padding: 24px;
  background: #f8faff;
}

/* Comparison Table */
.compare-table-wrap {
  overflow-x: auto;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-gray-200);
  background: #ffffff;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}
.compare-table th {
  padding: 16px 20px;
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--color-gray-200);
}
.compare-table td {
  padding: 16px 20px;
  border-bottom: 1px solid var(--color-gray-100);
  font-size: 0.9375rem;
}
.compare-table tr:last-child td {
  border-bottom: none;
}
.compare-table tr:hover td {
  background: var(--color-gray-50);
}

/* Examples Gallery */
.examples-gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}
.example-sheet-item {
  background: #ffffff;
  border: 1px solid var(--color-gray-200);
  border-radius: var(--radius-lg);
  padding: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  display: flex;
  flex-direction: column;
}
.example-sheet-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary-light);
}

@media (max-width: 900px) {
  .mockup-flow-grid {
    grid-template-columns: 1fr;
  }
  .mockup-flow-arrow {
    transform: rotate(90deg);
    padding: 8px 0;
  }
  .commercial-split {
    grid-template-columns: 1fr;
  }
}

/* ─── Video Demo Facade Styles ───────────────────────────────── */
.video-demo-box {
  max-width: 900px;
  margin: 0 auto;
  border-radius: var(--radius-2xl);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.1);
  background: #0f172a;
}
.video-facade-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16/9;
  cursor: pointer;
  background: #090d16;
  overflow: hidden;
}
.video-facade-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
  opacity: 1;
}
.video-facade-wrap:hover .video-facade-thumb {
  transform: scale(1.03);
}
.video-play-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  pointer-events: none;
}
.video-play-btn-circle {
  width: 76px;
  height: 76px;
  background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.7);
  animation: playPulse 2s infinite cubic-bezier(0.66, 0, 0, 1);
  transition: transform var(--transition-fast);
}
.video-facade-wrap:hover .video-play-btn-circle {
  transform: scale(1.12);
  background: #ff0000;
}
@keyframes playPulse {
  to {
    box-shadow: 0 0 0 24px rgba(239, 68, 68, 0);
  }
}
.video-play-label {
  color: #ffffff;
  font-weight: 800;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 4px rgba(0,0,0,0.8);
  background: rgba(0,0,0,0.6);
  padding: 4px 14px;
  border-radius: 99px;
  backdrop-filter: blur(4px);
}

/* ─── Scroll Fade-In Animations ───────────────────────────────── */
.fade-section {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}
.fade-section.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Filter Chips (Pill Buttons) ──────────────────────────────── */
.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-gray-700);
  background: #ffffff;
  border: 1.5px solid var(--color-gray-200);
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
  user-select: none;
}
.filter-chip:hover {
  color: var(--color-primary);
  border-color: #a5b4fc;
  background: #f5f3ff;
  transform: translateY(-1px);
}
.filter-chip.active {
  color: #ffffff;
  background: var(--color-primary);
  border-color: var(--color-primary);
  box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
}

/* ─── Multi-Item Stage Activity Carousel (Cover Flow) ────────── */
.activity-stage-carousel-wrapper {
  max-width: 1180px;
  margin: 0 auto;
  position: relative;
  padding: 20px 0;
  overflow: hidden;
}
.activity-stage-carousel-container {
  position: relative;
  overflow: visible;
  width: 100%;
  padding: 20px 0;
}
.activity-stage-carousel-track {
  display: flex;
  transition: transform 0.55s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: transform;
  align-items: center;
}
.activity-carousel-slide {
  flex: 0 0 360px;
  width: 360px;
  box-sizing: border-box;
  padding: 8px 12px;
  opacity: 0.45;
  transform: scale(0.88) translateY(12px);
  transition: transform 0.5s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.5s ease, box-shadow 0.5s ease;
  cursor: pointer;
}
.activity-carousel-slide.is-adjacent {
  opacity: 0.72;
  transform: scale(0.93) translateY(6px);
}
.activity-carousel-slide.is-active {
  opacity: 1;
  transform: scale(1.04) translateY(0);
  z-index: 10;
  cursor: default;
}
@media (max-width: 768px) {
  .activity-stage-carousel-wrapper {
    padding: 10px 0;
  }
  .activity-stage-carousel-container {
    padding: 10px 0;
  }
  .activity-carousel-slide {
    flex: 0 0 calc(100vw - 44px);
    max-width: 320px;
    padding: 4px 6px;
    opacity: 0.35;
    transform: scale(0.9) translateY(8px);
  }
  .activity-carousel-slide.is-adjacent {
    opacity: 0.65;
    transform: scale(0.94) translateY(4px);
  }
  .activity-carousel-slide.is-active {
    opacity: 1;
    transform: scale(1.02) translateY(0);
  }
  .activity-slide-card {
    padding: 14px 14px 12px;
    border-radius: 14px;
  }
  .carousel-btn {
    width: 38px;
    height: 38px;
    font-size: 1.1rem;
  }
  .carousel-btn.prev { left: 4px; }
  .carousel-btn.next { right: 4px; }
  .filter-chip {
    padding: 6px 12px;
    font-size: 0.78rem;
  }
}
.activity-slide-card {
  background: #ffffff;
  border: 1px solid var(--color-gray-200);
  border-radius: 18px;
  padding: 20px 20px 16px 20px;
  box-shadow: 0 10px 25px -5px rgba(0,0,0,0.06);
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.4s ease, border-color 0.4s ease;
}
.activity-carousel-slide.is-active .activity-slide-card {
  box-shadow: 0 20px 45px -10px rgba(99, 102, 241, 0.18), 0 0 0 1.5px rgba(99, 102, 241, 0.25);
  border-color: rgba(99, 102, 241, 0.3);
}
.activity-page-frame {
  width: 100%;
  aspect-ratio: 8.5 / 11;
  background: #ffffff;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 8px 20px -4px rgba(0,0,0,0.06);
  margin: 12px 0 14px 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.activity-page-frame img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}
.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: #ffffff;
  border: 1.5px solid var(--color-gray-300);
  box-shadow: 0 6px 20px rgba(0,0,0,0.14);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--color-gray-800);
  cursor: pointer;
  z-index: 20;
  transition: all var(--transition-fast);
}
.carousel-btn:hover {
  background: var(--color-primary);
  color: #ffffff;
  border-color: var(--color-primary);
  transform: translateY(-50%) scale(1.1);
  box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}
.carousel-btn.prev { left: 12px; }
.carousel-btn.next { right: 12px; }
.carousel-dots {
  display: flex;
  justify-content: center;
  gap: 6px;
  margin-top: 24px;
  flex-wrap: wrap;
}
.carousel-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-gray-300);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  padding: 0;
}
.carousel-dot.active {
  width: 24px;
  border-radius: 12px;
  background: var(--color-primary);
  box-shadow: 0 2px 8px rgba(99, 102, 241, 0.4);
}

/* ─── Print Styles ───────────────────────────────────────────── */
@media print {
  .navbar, .sidebar, .app-topbar, .footer { display: none !important; }
  .app-main { margin-left: 0; }
  body { background: white; }
}