/*
 * QR Code 42 - Design System
 * A professional, trustworthy design for small businesses
 *
 * Typography: Plus Jakarta Sans (headings) + DM Sans (body)
 * Colors: Deep navy + warm coral accents
 */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */

:root {
  /* Primary Colors - Deep Navy */
  --color-primary-50: #f0f4ff;
  --color-primary-100: #e0e9ff;
  --color-primary-200: #c7d6fe;
  --color-primary-300: #a4bafc;
  --color-primary-400: #7f95f8;
  --color-primary-500: #5a6af2;
  --color-primary-600: #4147e5;
  --color-primary-700: #3436ca;
  --color-primary-800: #2d30a3;
  --color-primary-900: #1a1d5c;
  --color-primary-950: #0f1035;

  /* Accent Colors - Soft Coral */
  --color-accent-50: #fff7f4;
  --color-accent-100: #ffede6;
  --color-accent-200: #ffdacc;
  --color-accent-300: #ffbfa8;
  --color-accent-400: #ff9d7e;
  --color-accent-500: #ff7a59;
  --color-accent-600: #f55a35;
  --color-accent-700: #d94420;
  --color-accent-800: #b3371a;
  --color-accent-900: #8c2d15;
  --color-accent-950: #4d1809;

  /* Success - Teal */
  --color-success-50: #f0fdf9;
  --color-success-100: #ccfbef;
  --color-success-200: #9af5df;
  --color-success-300: #5fe9cb;
  --color-success-400: #2dd4b3;
  --color-success-500: #14b89b;
  --color-success-600: #0d947e;
  --color-success-700: #0f7666;
  --color-success-800: #115e53;
  --color-success-900: #134d45;
  --color-success-950: #042f2b;

  /* Warning - Amber */
  --color-warning-50: #fffbeb;
  --color-warning-100: #fef3c7;
  --color-warning-200: #fde68a;
  --color-warning-300: #fcd34d;
  --color-warning-400: #fbbf24;
  --color-warning-500: #f59e0b;
  --color-warning-600: #d97706;
  --color-warning-700: #b45309;
  --color-warning-800: #92400e;
  --color-warning-900: #78350f;

  /* Error - Rose */
  --color-error-50: #fff1f2;
  --color-error-100: #ffe4e6;
  --color-error-200: #fecdd3;
  --color-error-300: #fda4af;
  --color-error-400: #fb7185;
  --color-error-500: #f43f5e;
  --color-error-600: #e11d48;
  --color-error-700: #be123c;
  --color-error-800: #9f1239;
  --color-error-900: #881337;

  /* Neutrals - Slate */
  --color-neutral-50: #f8fafc;
  --color-neutral-100: #f1f5f9;
  --color-neutral-200: #e2e8f0;
  --color-neutral-300: #cbd5e1;
  --color-neutral-400: #94a3b8;
  --color-neutral-500: #64748b;
  --color-neutral-600: #475569;
  --color-neutral-700: #334155;
  --color-neutral-800: #1e293b;
  --color-neutral-900: #0f172a;
  --color-neutral-950: #020617;

  /* Background & Surface */
  --bg-primary: #ffffff;
  --bg-secondary: var(--color-neutral-50);
  --bg-tertiary: var(--color-neutral-100);
  --bg-elevated: #ffffff;
  --bg-overlay: rgba(15, 23, 42, 0.5);

  /* Text Colors */
  --text-primary: var(--color-neutral-900);
  --text-secondary: var(--color-neutral-600);
  --text-tertiary: var(--color-neutral-500);
  --text-inverse: #ffffff;
  --text-link: var(--color-primary-600);
  --text-link-hover: var(--color-primary-700);

  /* Border Colors */
  --border-default: var(--color-neutral-200);
  --border-subtle: var(--color-neutral-100);
  --border-strong: var(--color-neutral-300);
  --border-focus: var(--color-primary-500);

  /* Shadows */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);
  --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-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 0 20px rgba(90, 106, 242, 0.3);
  --shadow-glow-accent: 0 0 20px rgba(255, 87, 34, 0.3);

  /* Spacing Scale */
  --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-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.68, -0.55, 0.265, 1.55);

  /* Z-Index Scale */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* Dark Mode Overrides */
.dark {
  --bg-primary: var(--color-neutral-900);
  --bg-secondary: var(--color-neutral-800);
  --bg-tertiary: var(--color-neutral-700);
  --bg-elevated: var(--color-neutral-800);
  --bg-overlay: rgba(0, 0, 0, 0.7);

  --text-primary: var(--color-neutral-50);
  --text-secondary: var(--color-neutral-300);
  --text-tertiary: var(--color-neutral-400);
  --text-link: var(--color-primary-400);
  --text-link-hover: var(--color-primary-300);

  --border-default: var(--color-neutral-700);
  --border-subtle: var(--color-neutral-800);
  --border-strong: var(--color-neutral-600);

  --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.3);
  --shadow-glow: 0 0 30px rgba(90, 106, 242, 0.4);
  --shadow-glow-accent: 0 0 30px rgba(255, 87, 34, 0.4);
}

/* ============================================
   Typography
   ============================================ */

body {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6,
.heading {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.text-display-xl {
  font-size: 4.5rem;
  line-height: 1;
  letter-spacing: -0.03em;
}

.text-display {
  font-size: 3.75rem;
  line-height: 1.1;
  letter-spacing: -0.025em;
}

.text-h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

.text-h2 {
  font-size: 2rem;
  line-height: 1.25;
}

.text-h3 {
  font-size: 1.5rem;
  line-height: 1.3;
}

.text-h4 {
  font-size: 1.25rem;
  line-height: 1.4;
}

.text-body-lg {
  font-size: 1.125rem;
  line-height: 1.7;
}

.text-body {
  font-size: 1rem;
  line-height: 1.6;
}

.text-body-sm {
  font-size: 0.875rem;
  line-height: 1.5;
}

.text-caption {
  font-size: 0.75rem;
  line-height: 1.4;
}

/* ============================================
   Component: Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  text-decoration: none;
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  outline: none;
  white-space: nowrap;
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px var(--color-primary-200);
}

.dark .btn:focus-visible {
  box-shadow: 0 0 0 3px var(--color-primary-800);
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-700) 100%);
  color: white;
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-500) 0%, var(--color-primary-600) 100%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Accent Button */
.btn-accent {
  background: linear-gradient(135deg, var(--color-accent-500) 0%, var(--color-accent-600) 100%);
  color: white;
  box-shadow: var(--shadow-md), inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-accent:hover {
  background: linear-gradient(135deg, var(--color-accent-400) 0%, var(--color-accent-500) 100%);
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg), var(--shadow-glow-accent);
}

.btn-accent:active {
  transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
  background: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-default);
  box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
  background: var(--bg-tertiary);
  border-color: var(--border-strong);
}

/* Ghost Button */
.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-ghost:hover {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

/* Button Sizes */
.btn-sm {
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
  border-radius: var(--radius-md);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1.0625rem;
  border-radius: var(--radius-xl);
}

.btn-xl {
  padding: var(--space-5) var(--space-10);
  font-size: 1.125rem;
  border-radius: var(--radius-xl);
}

/* Icon Button */
.btn-icon {
  padding: var(--space-3);
  border-radius: var(--radius-lg);
}

.btn-icon.btn-sm {
  padding: var(--space-2);
}

/* ============================================
   Component: Cards
   ============================================ */

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.card-hover:hover {
  border-color: var(--border-default);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  border-color: var(--color-primary-300);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--color-primary-100);
}

.dark .card-interactive:hover {
  border-color: var(--color-primary-600);
  box-shadow: var(--shadow-lg), 0 0 0 1px var(--color-primary-900);
}

.card-header {
  padding: var(--space-6);
  border-bottom: 1px solid var(--border-subtle);
}

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

.card-footer {
  padding: var(--space-4) var(--space-6);
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}

/* Featured Card */
.card-featured {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-800) 100%);
  border: none;
  color: white;
  box-shadow: var(--shadow-xl), var(--shadow-glow);
}

.card-featured .card-header,
.card-featured .card-footer {
  border-color: rgba(255, 255, 255, 0.1);
  background: rgba(255, 255, 255, 0.05);
}

/* ============================================
   Component: Form Elements
   ============================================ */

.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  margin-bottom: var(--space-2);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-label-optional {
  font-weight: 400;
  color: var(--text-tertiary);
}

.form-input,
.form-select,
.form-textarea {
  display: block;
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-family: 'DM Sans', sans-serif;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-primary);
  background: var(--bg-elevated);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xs);
  transition: all var(--transition-fast);
  outline: none;
}

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

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--border-strong);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary-500);
  box-shadow: var(--shadow-xs), 0 0 0 3px var(--color-primary-100);
}

.dark .form-input:focus,
.dark .form-select:focus,
.dark .form-textarea:focus {
  box-shadow: var(--shadow-xs), 0 0 0 3px var(--color-primary-900);
}

/* Input with icon */
.input-group {
  position: relative;
}

.input-icon {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  pointer-events: none;
}

.input-group .form-input {
  padding-left: var(--space-12);
}

/* Input sizes */
.form-input-sm {
  padding: var(--space-2) var(--space-3);
  font-size: 0.875rem;
  border-radius: var(--radius-md);
}

.form-input-lg {
  padding: var(--space-4) var(--space-5);
  font-size: 1.125rem;
  border-radius: var(--radius-xl);
}

/* Checkbox & Radio */
.form-check {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  accent-color: var(--color-primary-600);
  cursor: pointer;
}

.form-check-label {
  font-size: 0.9375rem;
  color: var(--text-primary);
  cursor: pointer;
}

/* Form Help Text */
.form-help {
  margin-top: var(--space-2);
  font-size: 0.8125rem;
  color: var(--text-tertiary);
}

/* Form Error */
.form-error {
  border-color: var(--color-error-500) !important;
}

.form-error:focus {
  box-shadow: var(--shadow-xs), 0 0 0 3px var(--color-error-100) !important;
}

.form-error-text {
  margin-top: var(--space-2);
  font-size: 0.8125rem;
  color: var(--color-error-600);
}

/* ============================================
   Component: Alerts
   ============================================ */

.alert {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.alert-icon {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-top: 0.125rem;
}

.alert-success {
  background: var(--color-success-50);
  border: 1px solid var(--color-success-200);
  color: var(--color-success-800);
}

.dark .alert-success {
  background: var(--color-success-950);
  border-color: var(--color-success-800);
  color: var(--color-success-200);
}

.alert-error {
  background: var(--color-error-50);
  border: 1px solid var(--color-error-200);
  color: var(--color-error-800);
}

.dark .alert-error {
  background: var(--color-error-950);
  border-color: var(--color-error-800);
  color: var(--color-error-200);
}

.alert-warning {
  background: var(--color-warning-50);
  border: 1px solid var(--color-warning-200);
  color: var(--color-warning-800);
}

.dark .alert-warning {
  background: rgba(120, 53, 15, 0.3);
  border-color: var(--color-warning-700);
  color: var(--color-warning-200);
}

.alert-info {
  background: var(--color-primary-50);
  border: 1px solid var(--color-primary-200);
  color: var(--color-primary-800);
}

.dark .alert-info {
  background: var(--color-primary-950);
  border-color: var(--color-primary-800);
  color: var(--color-primary-200);
}

/* ============================================
   Component: Badges
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: var(--space-1) var(--space-3);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.4;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background: var(--color-primary-100);
  color: var(--color-primary-700);
}

.dark .badge-primary {
  background: var(--color-primary-900);
  color: var(--color-primary-200);
}

.badge-success {
  background: var(--color-success-100);
  color: var(--color-success-700);
}

.dark .badge-success {
  background: var(--color-success-900);
  color: var(--color-success-200);
}

.badge-warning {
  background: var(--color-warning-100);
  color: var(--color-warning-700);
}

.badge-error {
  background: var(--color-error-100);
  color: var(--color-error-700);
}

.badge-accent {
  background: var(--color-accent-100);
  color: var(--color-accent-700);
}

.dark .badge-accent {
  background: var(--color-accent-900);
  color: var(--color-accent-200);
}

/* ============================================
   Component: Stats
   ============================================ */

.stat-card {
  padding: var(--space-6);
}

.stat-value {
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 2.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.stat-label {
  margin-top: var(--space-2);
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.stat-change {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  margin-top: var(--space-3);
  padding: var(--space-1) var(--space-2);
  font-size: 0.8125rem;
  font-weight: 600;
  border-radius: var(--radius-full);
}

.stat-change-positive {
  background: var(--color-success-100);
  color: var(--color-success-700);
}

.stat-change-negative {
  background: var(--color-error-100);
  color: var(--color-error-700);
}

/* ============================================
   Component: Navigation
   ============================================ */

.nav-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border-subtle);
  backdrop-filter: blur(12px);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--bg-tertiary);
}

.nav-link-active {
  color: var(--color-primary-600);
  background: var(--color-primary-50);
}

.dark .nav-link-active {
  color: var(--color-primary-400);
  background: var(--color-primary-950);
}

/* ============================================
   Component: Tables
   ============================================ */

.table-container {
  overflow-x: auto;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th {
  padding: var(--space-4);
  font-family: 'Plus Jakarta Sans', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  text-align: left;
  border-bottom: 1px solid var(--border-default);
}

.table td {
  padding: var(--space-4);
  font-size: 0.9375rem;
  color: var(--text-primary);
  border-bottom: 1px solid var(--border-subtle);
}

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

.table tbody tr:hover {
  background: var(--bg-secondary);
}

/* ============================================
   Layout Utilities
   ============================================ */

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-4);
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-6);
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-8);
  }
}

.section {
  padding: var(--space-16) 0;
}

.section-lg {
  padding: var(--space-24) 0;
}

/* ============================================
   Background Patterns & Effects
   ============================================ */

.bg-gradient-primary {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-primary-800) 100%);
}

.bg-gradient-accent {
  background: linear-gradient(135deg, var(--color-accent-500) 0%, var(--color-accent-600) 100%);
}

.bg-gradient-hero {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(90, 106, 242, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(255, 87, 34, 0.1) 0%, transparent 50%),
    var(--bg-secondary);
}

.dark .bg-gradient-hero {
  background:
    radial-gradient(ellipse at 20% 0%, rgba(90, 106, 242, 0.2) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(255, 87, 34, 0.15) 0%, transparent 50%),
    var(--bg-primary);
}

/* Dot Pattern */
.bg-dots {
  background-image: radial-gradient(var(--border-default) 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Grid Pattern */
.bg-grid {
  background-image:
    linear-gradient(var(--border-subtle) 1px, transparent 1px),
    linear-gradient(90deg, var(--border-subtle) 1px, transparent 1px);
  background-size: 48px 48px;
}

/* ============================================
   Animations
   ============================================ */

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

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

.animate-fade-in { animation: fadeIn var(--transition-slow) ease-out; }
.animate-fade-in-up { animation: fadeInUp var(--transition-slow) ease-out; }
.animate-fade-in-down { animation: fadeInDown var(--transition-slow) ease-out; }
.animate-scale-in { animation: scaleIn var(--transition-slow) ease-out; }
.animate-slide-in-right { animation: slideInRight var(--transition-slow) ease-out; }
.animate-pulse { animation: pulse 2s ease-in-out infinite; }
.animate-float { animation: float 3s ease-in-out infinite; }

/* Stagger animations */
.stagger-1 { animation-delay: 0.1s; }
.stagger-2 { animation-delay: 0.2s; }
.stagger-3 { animation-delay: 0.3s; }
.stagger-4 { animation-delay: 0.4s; }
.stagger-5 { animation-delay: 0.5s; }

/* Loading skeleton */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-tertiary) 0%,
    var(--bg-secondary) 50%,
    var(--bg-tertiary) 100%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}

/* ============================================
   Utility Classes
   ============================================ */

.text-gradient {
  background: linear-gradient(135deg, var(--color-primary-600) 0%, var(--color-accent-500) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-balance {
  text-wrap: balance;
}

.truncate-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.truncate-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Focus ring */
.focus-ring:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--color-primary-200);
}

.dark .focus-ring:focus-visible {
  box-shadow: 0 0 0 3px var(--color-primary-800);
}

/* Divider */
.divider {
  height: 1px;
  background: var(--border-default);
  margin: var(--space-6) 0;
}

/* Glass effect */
.glass {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.dark .glass {
  background: rgba(30, 41, 59, 0.8);
  border-color: rgba(255, 255, 255, 0.1);
}

/* Scroll snap */
.scroll-snap-x {
  scroll-snap-type: x mandatory;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.scroll-snap-item {
  scroll-snap-align: start;
}

/* Hide scrollbar */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}

.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Toggle Switch Component */
.peer:checked ~ .peer-checked\:after\:translate-x-full::after {
  transform: translateX(100%);
}

.peer:checked ~ .peer-checked\:after\:border-white::after {
  border-color: white;
}

.peer:checked ~ .peer-checked\:bg-indigo-600 {
  background-color: #4147e5;
}

.dark .peer:checked ~ .peer-checked\:bg-indigo-600 {
  background-color: #5a6af2;
}

/* ========================================
   Resource Ownership Badges
   ======================================== */

/* Resource ownership badges */
.resource-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.5rem;
  font-size: 0.75rem;
  line-height: 1rem;
  font-weight: 500;
  border-radius: 9999px;
}

.resource-badge-personal {
  background-color: rgb(219 234 254); /* bg-blue-100 */
  color: rgb(29 78 216); /* text-blue-700 */
}

.resource-badge-team {
  background-color: rgb(220 252 231); /* bg-green-100 */
  color: rgb(21 128 61); /* text-green-700 */
}

/* Dark mode variants */
.dark .resource-badge-personal {
  background-color: rgba(59, 130, 246, 0.3); /* dark:bg-blue-900/30 */
  color: rgb(147 197 253); /* dark:text-blue-300 */
}

.dark .resource-badge-team {
  background-color: rgba(34, 197, 94, 0.3); /* dark:bg-green-900/30 */
  color: rgb(134 239 172); /* dark:text-green-300 */
}

/* Badge with icon */
.resource-badge svg {
  width: 0.875rem;
  height: 0.875rem;
  margin-right: 0.25rem;
}