/* ============================================================
   DESIGN SYSTEM — OnlineInvoicesMaker.com
   Premium SaaS Design Tokens & Base Styles
   ============================================================ */

:root {
  /* Brand Colors */
  --brand-primary: #4f46e5;
  --brand-primary-hover: #4338ca;
  --brand-primary-light: #eef2ff;
  --brand-secondary: #06b6d4;
  --brand-accent: #8b5cf6;
  --brand-gradient: linear-gradient(135deg, #4f46e5 0%, #7c3aed 50%, #06b6d4 100%);
  --brand-gradient-soft: linear-gradient(135deg, #eef2ff 0%, #f5f3ff 100%);

  /* Neutral Palette */
  --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;

  /* Semantic Colors */
  --success: #10b981;
  --success-light: #d1fae5;
  --warning: #f59e0b;
  --warning-light: #fef3c7;
  --error: #ef4444;
  --error-light: #fee2e2;
  --info: #3b82f6;
  --info-light: #dbeafe;

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

  /* Font Sizes */
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;
  --text-5xl: 3rem;
  --text-6xl: 3.75rem;

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  --radius-2xl: 2rem;
  --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: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-md: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);
  --shadow-brand: 0 8px 30px rgb(79 70 229 / 0.25);
  --shadow-brand-lg: 0 20px 60px rgb(79 70 229 / 0.3);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index */
  --z-base: 1;
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-header: 300;
  --z-modal-backdrop: 400;
  --z-modal: 500;
  --z-toast: 600;
  --z-tooltip: 700;

  /* Layout */
  --header-height: 64px;
  --toolbar-height: 56px;
  --editor-width: 480px;
  --sidebar-width: 280px;

  /* Light Mode Surface Colors */
  --bg-page: #f8fafc;
  --bg-surface: #ffffff;
  --bg-surface-2: #f9fafb;
  --bg-surface-3: #f3f4f6;
  --bg-overlay: rgba(255,255,255,0.95);
  --border-color: #e5e7eb;
  --border-color-strong: #d1d5db;
  --text-primary: #111827;
  --text-secondary: #6b7280;
  --text-tertiary: #9ca3af;
  --text-on-brand: #ffffff;
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-page: #0d0f14;
  --bg-surface: #161b27;
  --bg-surface-2: #1c2333;
  --bg-surface-3: #232b3e;
  --bg-overlay: rgba(22,27,39,0.97);
  --border-color: #2d3748;
  --border-color-strong: #3d4a63;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-tertiary: #64748b;
  --brand-primary-light: #1e1b4b;
  --shadow-brand: 0 8px 30px rgb(79 70 229 / 0.4);
  --gray-50: #0f172a;
  --gray-100: #1e293b;
  --gray-200: #334155;
}

/* ============================================================
   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;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-page);
  line-height: 1.6;
  min-height: 100vh;
  transition: background var(--transition), color var(--transition);
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { cursor: pointer; font-family: inherit; border: none; background: none; }
input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  background: transparent;
  border: none;
  outline: none;
}
ul, ol { list-style: none; }
svg { display: block; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }
.text-5xl { font-size: var(--text-5xl); }
.text-6xl { font-size: var(--text-6xl); }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

.leading-tight { line-height: 1.25; }
.leading-snug { line-height: 1.375; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.625; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-tertiary { color: var(--text-tertiary); }
.text-brand { color: var(--brand-primary); }

/* ============================================================
   LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.container-sm { max-width: 768px; margin: 0 auto; padding: 0 var(--space-6); }
.container-lg { max-width: 1440px; margin: 0 auto; padding: 0 var(--space-6); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.5625rem var(--space-4);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
  line-height: 1;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: transparent;
  transition: background var(--transition-fast);
}

.btn:hover::after { background: rgba(255,255,255,0.08); }
.btn:active::after { background: rgba(0,0,0,0.08); }

.btn-primary {
  background: var(--brand-primary);
  color: #fff;
  box-shadow: 0 1px 2px rgb(0 0 0 / 0.2), 0 0 0 1px var(--brand-primary);
}
.btn-primary:hover { background: var(--brand-primary-hover); box-shadow: var(--shadow-brand); }

.btn-gradient {
  background: var(--brand-gradient);
  color: #fff;
  box-shadow: var(--shadow-brand);
}
.btn-gradient:hover { box-shadow: var(--shadow-brand-lg); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  color: var(--text-primary);
  border: 1.5px solid var(--border-color-strong);
  box-shadow: var(--shadow-xs);
}
.btn-outline:hover { border-color: var(--brand-primary); color: var(--brand-primary); background: var(--brand-primary-light); }

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}
.btn-ghost:hover { background: var(--bg-surface-3); color: var(--text-primary); }

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

.btn-success {
  background: var(--success);
  color: #fff;
}

.btn-sm {
  padding: 0.375rem 0.75rem;
  font-size: var(--text-xs);
  border-radius: var(--radius-sm);
}

.btn-lg {
  padding: 0.875rem 2rem;
  font-size: var(--text-base);
  border-radius: var(--radius-md);
}

.btn-xl {
  padding: 1.125rem 2.5rem;
  font-size: var(--text-lg);
  border-radius: var(--radius-lg);
}

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

.btn-icon-sm {
  width: 30px;
  height: 30px;
  padding: 0;
  border-radius: var(--radius-sm);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* ============================================================
   FORM ELEMENTS
   ============================================================ */
.form-group { display: flex; flex-direction: column; gap: var(--space-1); }

.form-label {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input {
  width: 100%;
  padding: 0.5625rem var(--space-3);
  background: var(--bg-surface);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius);
  font-size: var(--text-sm);
  color: var(--text-primary);
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:hover { border-color: var(--gray-400); }
.form-input:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgb(79 70 229 / 0.12);
}

.form-input::placeholder { color: var(--text-tertiary); }

.form-textarea {
  resize: vertical;
  min-height: 80px;
  line-height: 1.5;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2.5rem;
}

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
}

.card-premium {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.card-hover {
  transition: all var(--transition);
}
.card-hover:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
  border-color: var(--brand-primary);
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 0.1875rem 0.5rem;
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1;
}

.badge-brand { background: var(--brand-primary-light); color: var(--brand-primary); }
.badge-success { background: var(--success-light); color: #059669; }
.badge-warning { background: var(--warning-light); color: #d97706; }
.badge-error { background: var(--error-light); color: #dc2626; }
.badge-gray { background: var(--gray-100); color: var(--gray-600); }
.badge-new {
  background: var(--brand-gradient);
  color: #fff;
  font-size: 0.625rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* ============================================================
   DIVIDER
   ============================================================ */
.divider {
  height: 1px;
  background: var(--border-color);
  margin: var(--space-4) 0;
}

/* ============================================================
   TOAST NOTIFICATIONS
   ============================================================ */
#toast-container {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-primary);
  min-width: 280px;
  max-width: 380px;
  pointer-events: auto;
  animation: slideInRight var(--transition) forwards;
  backdrop-filter: blur(12px);
}

.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--error); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.info { border-left: 3px solid var(--brand-primary); }

.toast-icon { flex-shrink: 0; width: 18px; height: 18px; }
.toast.success .toast-icon { color: var(--success); }
.toast.error .toast-icon { color: var(--error); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info .toast-icon { color: var(--brand-primary); }

.toast-dismiss {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  margin-left: auto;
  border-radius: var(--radius-sm);
  color: var(--text-tertiary);
  flex-shrink: 0;
}
.toast-dismiss:hover { background: var(--bg-surface-3); color: var(--text-primary); }

.toast.hiding { animation: slideOutRight var(--transition) forwards; }

@keyframes slideInRight {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes slideOutRight {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(100%); opacity: 0; }
}

/* ============================================================
   MODAL
   ============================================================ */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  backdrop-filter: blur(4px);
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition);
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.95) translateY(8px);
  transition: transform var(--transition);
}

.modal-backdrop.open .modal { transform: scale(1) translateY(0); }

.modal-lg { max-width: 800px; }
.modal-xl { max-width: 1100px; }
.modal-sm { max-width: 420px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text-primary);
}

.modal-body { padding: var(--space-6); }

.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--border-color);
  background: var(--bg-surface-2);
  border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
}

/* ============================================================
   DROPDOWN
   ============================================================ */
.dropdown {
  position: relative;
  display: inline-flex;
}

.dropdown-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  min-width: 180px;
  z-index: var(--z-dropdown);
  opacity: 0;
  transform: scale(0.95) translateY(-4px);
  pointer-events: none;
  transition: all var(--transition-fast);
  overflow: hidden;
}

.dropdown-menu.open {
  opacity: 1;
  transform: scale(1) translateY(0);
  pointer-events: auto;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-sm);
  color: var(--text-primary);
  transition: background var(--transition-fast);
  cursor: pointer;
}

.dropdown-item:hover { background: var(--bg-surface-2); }
.dropdown-item.danger { color: var(--error); }
.dropdown-item.danger:hover { background: var(--error-light); }
.dropdown-divider { height: 1px; background: var(--border-color); margin: var(--space-1) 0; }

/* ============================================================
   SKELETON LOADER
   ============================================================ */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-surface-2) 0%,
    var(--bg-surface-3) 50%,
    var(--bg-surface-2) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius);
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--gray-300); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--gray-400); }
[data-theme="dark"] ::-webkit-scrollbar-thumb { background: var(--gray-600); }

/* ============================================================
   SECTION UTILITIES
   ============================================================ */
.section { padding: var(--space-20) 0; }
.section-sm { padding: var(--space-12) 0; }
.section-lg { padding: var(--space-24) 0; }

.section-title {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: var(--text-xl);
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 auto;
  line-height: 1.6;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.375rem 0.875rem;
  background: var(--brand-primary-light);
  color: var(--brand-primary);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}

/* ============================================================
   COLLAPSIBLE SECTION
   ============================================================ */
.collapsible-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  padding: var(--space-3) 0;
  transition: color var(--transition-fast);
}

.collapsible-header:hover { color: var(--brand-primary); }

.collapsible-icon {
  transition: transform var(--transition-fast);
  color: var(--text-tertiary);
  flex-shrink: 0;
}

.collapsible-header.open .collapsible-icon { transform: rotate(180deg); }

.collapsible-body {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.collapsible-body.open { max-height: 2000px; }

/* ============================================================
   PROGRESS STEPS
   ============================================================ */
.progress-steps {
  display: flex;
  align-items: center;
  gap: 0;
}

.progress-step {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--text-tertiary);
  padding: var(--space-1) var(--space-2);
}

.progress-step.active { color: var(--brand-primary); }
.progress-step.done { color: var(--success); }

.progress-step-num {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  background: var(--bg-surface-3);
  border: 2px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 700;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.progress-step.active .progress-step-num {
  background: var(--brand-primary);
  border-color: var(--brand-primary);
  color: #fff;
  box-shadow: 0 0 0 4px rgb(79 70 229 / 0.15);
}

.progress-step.done .progress-step-num {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}

.progress-connector {
  flex: 1;
  height: 1px;
  background: var(--border-color);
  min-width: 20px;
  max-width: 40px;
}

.progress-connector.done { background: var(--success); }

/* ============================================================
   COLOR SWATCHES
   ============================================================ */
.color-swatches {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.color-swatch {
  width: 22px;
  height: 22px;
  border-radius: var(--radius-full);
  cursor: pointer;
  border: 2.5px solid transparent;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
  position: relative;
}

.color-swatch:hover { transform: scale(1.15); }
.color-swatch.active {
  border-color: var(--text-primary);
  transform: scale(1.15);
}

.color-swatch::after {
  content: '';
  position: absolute;
  inset: 2px;
  border-radius: var(--radius-full);
  background: inherit;
}

/* ============================================================
   TEMPLATE CARDS
   ============================================================ */
.template-card {
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  cursor: pointer;
  transition: all var(--transition);
  background: var(--bg-surface);
}

.template-card:hover { border-color: var(--brand-primary); box-shadow: var(--shadow-brand); }
.template-card.active {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 1px var(--brand-primary), var(--shadow-brand);
}

.template-preview {
  aspect-ratio: 3/4;
  background: white;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.template-label {
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  text-align: center;
  color: var(--text-secondary);
  border-top: 1px solid var(--border-color);
}

.template-card.active .template-label { color: var(--brand-primary); }

/* ============================================================
   AUTOSAVE INDICATOR
   ============================================================ */
.autosave {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--text-tertiary);
  font-weight: 500;
}

.autosave-dot {
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--text-tertiary);
  transition: background var(--transition-fast);
}

.autosave.saving .autosave-dot {
  background: var(--warning);
  animation: pulse 1s infinite;
}

.autosave.saved .autosave-dot { background: var(--success); }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

/* ============================================================
   GRADIENT TEXT
   ============================================================ */
.gradient-text {
  background: var(--brand-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================================
   GLOW EFFECTS
   ============================================================ */
.glow-brand {
  box-shadow: 0 0 40px rgb(79 70 229 / 0.2), 0 0 80px rgb(79 70 229 / 0.1);
}

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

[data-tooltip]::before {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  padding: var(--space-1) var(--space-3);
  background: var(--gray-900);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 500;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
  z-index: var(--z-tooltip);
}

[data-tooltip]:hover::before { opacity: 1; }

/* ============================================================
   MISC
   ============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.rounded-full { border-radius: var(--radius-full); }
.w-full { width: 100%; }
.h-full { height: 100%; }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in { animation: fadeIn var(--transition) forwards; }

@keyframes spin {
  to { transform: rotate(360deg); }
}
.animate-spin { animation: spin 1s linear infinite; }

/* Responsive helpers */
@media (max-width: 768px) {
  .hide-mobile { display: none !important; }
  .section-title { font-size: var(--text-3xl); }
  .section-subtitle { font-size: var(--text-base); }
  .container { padding: 0 var(--space-4); }
}

@media (min-width: 769px) {
  .hide-desktop { display: none !important; }
}

@media (max-width: 1024px) {
  .hide-tablet { display: none !important; }
}