/* ============================================
   JoogadTools.online — Global Design System
   Dark Glassmorphism Theme
   ============================================ */

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

/* ---- CSS Custom Properties (Design Tokens) ---- */
:root {
  /* Colors */
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1329;
  --bg-tertiary: #161a35;
  --surface-glass: rgba(255, 255, 255, 0.04);
  --surface-glass-hover: rgba(255, 255, 255, 0.08);
  --surface-glass-border: rgba(255, 255, 255, 0.08);
  --surface-glass-border-hover: rgba(255, 255, 255, 0.15);

  /* Accent Gradients */
  --accent-primary: #6C63FF;
  --accent-secondary: #4ECDC4;
  --accent-tertiary: #FF6B9D;
  --gradient-accent: linear-gradient(135deg, #6C63FF 0%, #4ECDC4 100%);
  --gradient-accent-hover: linear-gradient(135deg, #7B73FF 0%, #5FD8CF 100%);
  --gradient-warm: linear-gradient(135deg, #FF6B9D 0%, #FFA726 100%);
  --gradient-bg: linear-gradient(135deg, #0a0e1a 0%, #1a1040 50%, #0a0e1a 100%);
  --gradient-hero: radial-gradient(ellipse at 30% 20%, rgba(108, 99, 255, 0.15) 0%, transparent 50%),
                   radial-gradient(ellipse at 70% 80%, rgba(78, 205, 196, 0.1) 0%, transparent 50%);

  /* Text */
  --text-primary: #E8E8FF;
  --text-secondary: #A0A0C0;
  --text-muted: #6B6B8D;
  --text-accent: #6C63FF;

  /* Status */
  --success: #4ECDC4;
  --warning: #FFA726;
  --error: #FF6B6B;
  --info: #6C63FF;

  /* Typography */
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Outfit', 'Inter', sans-serif;
  --fs-xs: 0.75rem;
  --fs-sm: 0.875rem;
  --fs-base: 1rem;
  --fs-md: 1.125rem;
  --fs-lg: 1.25rem;
  --fs-xl: 1.5rem;
  --fs-2xl: 2rem;
  --fs-3xl: 2.5rem;
  --fs-4xl: 3.5rem;
  --fw-light: 300;
  --fw-regular: 400;
  --fw-medium: 500;
  --fw-semibold: 600;
  --fw-bold: 700;
  --fw-extrabold: 800;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;

  /* Borders */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 20px rgba(108, 99, 255, 0.3);
  --shadow-glow-teal: 0 0 20px rgba(78, 205, 196, 0.3);

  /* Glass */
  --glass-blur: blur(20px);
  --glass-blur-heavy: blur(40px);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
  --transition-spring: 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);

  /* Layout */
  --container-max: 1200px;
  --container-narrow: 900px;
  --header-height: 70px;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: var(--fw-regular);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: var(--gradient-hero);
  z-index: -1;
  pointer-events: none;
}

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

a:hover {
  color: var(--accent-secondary);
}

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

ul, ol {
  list-style: none;
}

input, textarea, select, button {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  outline: none;
  border: none;
  background: none;
}

button {
  cursor: pointer;
}

::selection {
  background: rgba(108, 99, 255, 0.3);
  color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
  background: rgba(108, 99, 255, 0.3);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(108, 99, 255, 0.5);
}

/* ---- Layout ---- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* ---- Header ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  z-index: 1000;
  background: rgba(10, 14, 26, 0.8);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid var(--surface-glass-border);
  transition: background var(--transition-base);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-family: var(--font-heading);
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  text-decoration: none;
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-accent);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--fs-lg);
  font-weight: var(--fw-extrabold);
  color: white;
  box-shadow: var(--shadow-glow);
}

.logo-text span {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--text-secondary);
  font-weight: var(--fw-medium);
  font-size: var(--fs-sm);
  transition: color var(--transition-fast);
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: var(--radius-full);
  transition: width var(--transition-base);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

.nav-links a:hover::after,
.nav-links a.active::after {
  width: 100%;
}

/* Dropdown styles */
.nav-dropdown {
  position: relative;
  display: flex;
  align-items: center;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
  width: 420px;
  padding: var(--space-md);
  margin-top: 20px;
  z-index: 1002;
  cursor: default;
}

/* Invisible bridge so hover state isn't lost */
.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -20px;
  left: 0;
  width: 100%;
  height: 20px;
  background: transparent;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.dropdown-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  max-height: 400px;
  overflow-y: auto;
  padding-right: 5px;
}

.dropdown-grid::-webkit-scrollbar {
  width: 6px;
}
.dropdown-grid::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--radius-full);
}
.dropdown-grid::-webkit-scrollbar-thumb {
  background: rgba(108, 99, 255, 0.2);
  border-radius: var(--radius-full);
}

.dropdown-grid a {
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-sm);
  color: var(--text-secondary) !important;
  font-size: var(--fs-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
  display: block;
}

.dropdown-grid a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--accent-primary) !important;
  transform: translateX(4px);
}
.dropdown-grid a::after {
  display: none !important;
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
  cursor: pointer;
  z-index: 1001;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: var(--radius-full);
  transition: var(--transition-base);
}

/* ---- Glass Card ---- */
.glass-card {
  background: var(--surface-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--surface-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  transition: all var(--transition-base);
}

.glass-card:hover {
  background: var(--surface-glass-hover);
  border-color: var(--surface-glass-border-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.glass-card--static {
  background: var(--surface-glass);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--surface-glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}

/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.7rem 1.5rem;
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
  border: none;
  text-decoration: none;
}

.btn-primary {
  background: var(--gradient-accent);
  color: white;
  box-shadow: 0 4px 15px rgba(108, 99, 255, 0.3);
}

.btn-primary:hover {
  background: var(--gradient-accent-hover);
  box-shadow: 0 6px 25px rgba(108, 99, 255, 0.4);
  transform: translateY(-2px);
  color: white;
}

.btn-secondary {
  background: var(--surface-glass-hover);
  color: var(--text-primary);
  border: 1px solid var(--surface-glass-border);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--surface-glass-border-hover);
  transform: translateY(-1px);
  color: var(--text-primary);
}

.btn-outline {
  background: transparent;
  color: var(--accent-primary);
  border: 1px solid var(--accent-primary);
}

.btn-outline:hover {
  background: rgba(108, 99, 255, 0.1);
  transform: translateY(-1px);
  color: var(--accent-primary);
}

.btn-icon {
  padding: 0.6rem;
  border-radius: var(--radius-sm);
  min-width: 40px;
  min-height: 40px;
}

.btn-sm {
  padding: 0.45rem 1rem;
  font-size: var(--fs-xs);
}

.btn-lg {
  padding: 0.9rem 2rem;
  font-size: var(--fs-base);
}

/* ---- Form Elements ---- */
.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-secondary);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--surface-glass-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: var(--fs-base);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.15);
  background: rgba(255, 255, 255, 0.07);
}

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

.form-textarea {
  resize: vertical;
  min-height: 120px;
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  line-height: 1.6;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23A0A0C0' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

/* Range slider */
.form-range {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

.form-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--gradient-accent);
  box-shadow: var(--shadow-glow);
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.form-range::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

/* Toggle switch */
.toggle-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  user-select: none;
}

.toggle-switch input {
  opacity: 0;
  width: 0;
  height: 0;
  position: absolute;
}

.toggle-slider {
  width: 44px;
  height: 24px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  position: relative;
  transition: background var(--transition-base);
}

.toggle-slider::after {
  content: '';
  position: absolute;
  top: 3px;
  left: 3px;
  width: 18px;
  height: 18px;
  background: var(--text-secondary);
  border-radius: 50%;
  transition: all var(--transition-base);
}

.toggle-switch input:checked + .toggle-slider {
  background: var(--accent-primary);
}

.toggle-switch input:checked + .toggle-slider::after {
  left: 23px;
  background: white;
}

/* Checkbox */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  cursor: pointer;
  user-select: none;
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}

.checkbox-label input[type="checkbox"] {
  width: 18px;
  height: 18px;
  border: 2px solid var(--surface-glass-border);
  border-radius: 4px;
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.checkbox-label input[type="checkbox"]:checked {
  background: var(--accent-primary);
  border-color: var(--accent-primary);
}

.checkbox-label input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: white;
  font-size: 12px;
  font-weight: bold;
}

/* ---- Tabs ---- */
.tabs {
  display: flex;
  gap: var(--space-xs);
  background: rgba(255, 255, 255, 0.03);
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-glass-border);
  overflow-x: auto;
}

.tab-btn {
  padding: 0.6rem 1.2rem;
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  cursor: pointer;
  white-space: nowrap;
  background: none;
  border: none;
}

.tab-btn:hover {
  color: var(--text-secondary);
  background: rgba(255, 255, 255, 0.05);
}

.tab-btn.active {
  color: white;
  background: var(--gradient-accent);
  box-shadow: 0 2px 10px rgba(108, 99, 255, 0.3);
}

.tab-content {
  display: none;
  animation: fadeIn 0.3s ease;
}

.tab-content.active {
  display: block;
}

/* ---- Badges / Tags ---- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.6rem;
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  border-radius: var(--radius-full);
  background: rgba(108, 99, 255, 0.15);
  color: var(--accent-primary);
  gap: 4px;
}

.badge--success {
  background: rgba(78, 205, 196, 0.15);
  color: var(--success);
}

.badge--warning {
  background: rgba(255, 167, 38, 0.15);
  color: var(--warning);
}

.badge--error {
  background: rgba(255, 107, 107, 0.15);
  color: var(--error);
}

/* ---- Tool Page Layout ---- */
.tool-page {
  padding-top: calc(var(--header-height) + var(--space-2xl));
  padding-bottom: var(--space-4xl);
  min-height: 100vh;
}

.tool-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.tool-header h1 {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: var(--fw-bold);
  margin-bottom: var(--space-sm);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.tool-header p {
  color: var(--text-secondary);
  font-size: var(--fs-md);
  max-width: 600px;
  margin: 0 auto;
}

.tool-body {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

/* ---- Footer ---- */
.site-footer {
  background: rgba(10, 14, 26, 0.9);
  border-top: 1px solid var(--surface-glass-border);
  padding: var(--space-2xl) 0;
  margin-top: var(--space-4xl);
}

.footer-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-lg);
}

.footer-links {
  display: flex;
  gap: var(--space-xl);
  flex-wrap: wrap;
  justify-content: center;
}

.footer-links a {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--text-primary);
}

.footer-copyright {
  color: var(--text-muted);
  font-size: var(--fs-xs);
}

/* ---- Toast Notification ---- */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + var(--space-md));
  right: var(--space-lg);
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.8rem 1.2rem;
  background: var(--bg-tertiary);
  border: 1px solid var(--surface-glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  animation: slideInRight 0.4s var(--transition-spring);
  min-width: 250px;
  font-size: var(--fs-sm);
}

.toast--success {
  border-left: 3px solid var(--success);
}

.toast--error {
  border-left: 3px solid var(--error);
}

.toast--info {
  border-left: 3px solid var(--info);
}

/* ---- Monetag Ad Slots ---- */
.ad-slot {
  width: 100%;
  min-height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: var(--space-xl) 0;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.ad-slot--header {
  margin-top: calc(var(--header-height) + var(--space-sm));
  margin-bottom: 0;
}

.ad-slot--footer {
  margin-top: var(--space-xl);
  margin-bottom: 0;
}

.ad-slot--sidebar {
  min-height: 250px;
}

/* ---- Animations ---- */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideInUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes gradientFlow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

@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 0.5s ease forwards;
}

.animate-slide-up {
  animation: slideInUp 0.6s ease forwards;
}

/* Stagger children animation */
.stagger-children > * {
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
}

.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.1s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.2s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.3s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.35s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.4s; }
.stagger-children > *:nth-child(9) { animation-delay: 0.45s; }
.stagger-children > *:nth-child(10) { animation-delay: 0.5s; }
.stagger-children > *:nth-child(11) { animation-delay: 0.55s; }
.stagger-children > *:nth-child(12) { animation-delay: 0.6s; }
.stagger-children > *:nth-child(13) { animation-delay: 0.65s; }
.stagger-children > *:nth-child(14) { animation-delay: 0.7s; }
.stagger-children > *:nth-child(15) { animation-delay: 0.75s; }
.stagger-children > *:nth-child(16) { animation-delay: 0.8s; }

/* ---- Responsive ---- */
@media (max-width: 768px) {
  :root {
    --fs-4xl: 2.2rem;
    --fs-3xl: 1.8rem;
    --fs-2xl: 1.5rem;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-secondary);
    flex-direction: column;
    padding: calc(var(--header-height) + var(--space-xl)) var(--space-xl) var(--space-xl);
    border-left: 1px solid var(--surface-glass-border);
    transition: right var(--transition-base);
    gap: var(--space-lg);
    z-index: 999;
  }

  .nav-links.open {
    right: 0;
  }

  .menu-toggle {
    display: flex;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .tool-header h1 {
    font-size: var(--fs-2xl);
  }

  .glass-card {
    padding: var(--space-lg);
  }

  .tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-md);
  }

  .glass-card {
    padding: var(--space-md);
  }

  .btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: var(--fs-sm);
  }
}

/* ---- Utility Classes ---- */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.flex { display: flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-xs { gap: var(--space-xs); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }
.gap-lg { gap: var(--space-lg); }
.gap-xl { gap: var(--space-xl); }
.w-full { width: 100%; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.hidden { display: none !important; }
.mono { font-family: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }