/* ==========================================
   TOOLSKITA - ULTRA PREMIUM EDITION
   Price Tag: 20 Juta Level
   Design System: Swiss Minimalism meets Luxury
   ========================================== */

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

/* ========== PREMIUM VARIABLES ========== */
:root {
  /* Colors - Sophisticated Palette */
  --bg-primary: #080808;
  --bg-secondary: #0d0d0d;
  --bg-tertiary: #121212;
  --glass-bg: rgba(18, 18, 18, 0.6);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-hover: rgba(24, 24, 24, 0.7);
  
  /* Accent - Premium Lime */
  --accent: #d4ff3a;
  --accent-dark: #b8e028;
  --accent-light: #e5ff70;
  --accent-muted: rgba(212, 255, 58, 0.15);
  --accent-glow: rgba(212, 255, 58, 0.25);
  
  /* Text - Perfect Hierarchy */
  --text-primary: #ffffff;
  --text-secondary: #a1a1a1;
  --text-tertiary: #707070;
  --text-muted: #4a4a4a;
  
  /* Glass Effects - Pro Level */
  --blur-sm: blur(16px);
  --blur-md: blur(28px);
  --blur-lg: blur(40px);
  --blur-xl: blur(56px);
  
  /* Spacing - Golden Ratio Based */
  --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;
  --space-32: 8rem;
  
  /* Radius - Refined Curves */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius: 14px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-2xl: 32px;
  --radius-3xl: 40px;
  --radius-full: 9999px;
  
  /* Shadows - Cinematic Depth */
  --shadow-subtle: 0 1px 2px rgba(0, 0, 0, 0.25);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.45);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.55);
  --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.65);
  --shadow-2xl: 0 32px 96px rgba(0, 0, 0, 0.75);
  --shadow-inner: 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  --shadow-inner-strong: 0 0 0 1px rgba(255, 255, 255, 0.08) inset;
  --shadow-glow: 0 0 48px rgba(212, 255, 58, 0.2);
  --shadow-glow-strong: 0 0 80px rgba(212, 255, 58, 0.35);
  
  /* Typography - Swiss Precision */
  --font-primary: 'Inter', -apple-system, system-ui, sans-serif;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;
  
  /* Transitions - Butter Smooth */
  --ease-standard: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-decelerate: cubic-bezier(0, 0, 0.2, 1);
  --ease-accelerate: cubic-bezier(0.4, 0, 1, 1);
  --ease-bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --duration-instant: 100ms;
  --duration-fast: 200ms;
  --duration-normal: 300ms;
  --duration-slow: 450ms;
  --duration-slower: 600ms;
}

/* ========== RESET & FOUNDATION ========== */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

body {
  font-family: var(--font-primary);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-weight: 400;
  letter-spacing: -0.011em;
  overflow-x: hidden;
  position: relative;
}

/* Noise Texture Overlay - Premium Touch */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 400 400' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.015;
  pointer-events: none;
  z-index: 9999;
}

/* Gradient Mesh Background - Premium */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse 800px 600px at 20% 30%, rgba(212, 255, 58, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse 600px 800px at 80% 70%, rgba(212, 255, 58, 0.03) 0%, transparent 50%),
    radial-gradient(ellipse 400px 400px at 50% 50%, rgba(212, 255, 58, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
  animation: meshMove 20s ease-in-out infinite;
}

@keyframes meshMove {
  0%, 100% { transform: translate(0, 0) rotate(0deg); }
  33% { transform: translate(-2%, 2%) rotate(1deg); }
  66% { transform: translate(2%, -2%) rotate(-1deg); }
}

a {
  color: inherit;
  text-decoration: none;
}

::selection {
  background: var(--accent);
  color: var(--bg-primary);
  text-shadow: none;
}

/* ========== LAYOUT ========== */
.container {
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(1.5rem, 5vw, 3rem);
  position: relative;
  z-index: 1;
}

/* ========== NAVBAR - PREMIUM FLOATING ========== */
.navbar {
  position: fixed;
  top: clamp(1rem, 3vw, 1.5rem);
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - clamp(2rem, 8vw, 6rem));
  max-width: 1320px;
  animation: navFloat 0.6s var(--ease-decelerate) backwards;
}

@keyframes navFloat {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(-20px);
  }
}

.navbar .container {
  background: var(--glass-bg);
  backdrop-filter: var(--blur-lg) saturate(180%);
  -webkit-backdrop-filter: var(--blur-lg) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-full);
  padding: clamp(0.875rem, 2vw, 1.125rem) clamp(1.5rem, 4vw, 2.5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: var(--shadow-lg), var(--shadow-inner);
  transition: all var(--duration-normal) var(--ease-standard);
  position: relative;
  overflow: hidden;
}

/* Hover shimmer effect */
.navbar .container::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.03), transparent);
  transition: left var(--duration-slower) var(--ease-standard);
}

.navbar .container:hover::before {
  left: 100%;
}

.navbar .container:hover {
  background: var(--glass-hover);
  box-shadow: var(--shadow-xl), var(--shadow-inner-strong);
  border-color: rgba(255, 255, 255, 0.12);
}

.nav-brand {
  font-family: var(--font-display);
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  transition: all var(--duration-fast) var(--ease-standard);
  position: relative;
}

.nav-brand::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-full);
  transition: width var(--duration-normal) var(--ease-standard);
}

.nav-brand:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.nav-brand:hover::after {
  width: 100%;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: clamp(2rem, 5vw, 3rem);
}

.nav-menu a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all var(--duration-fast) var(--ease-standard);
  position: relative;
  padding: 0.25rem 0;
}

.nav-menu a::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: var(--radius-full);
  transform: translateX(-50%);
  transition: width var(--duration-fast) var(--ease-standard);
}

.nav-menu a:hover {
  color: var(--accent);
  transform: translateY(-1px);
}

.nav-menu a:hover::before {
  width: 100%;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}

.mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  border-radius: var(--radius-full);
  transition: all var(--duration-fast) var(--ease-standard);
}

/* ========== HERO - CINEMATIC ========== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: clamp(8rem, 20vh, 12rem) 0 clamp(6rem, 15vh, 10rem);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 10%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(1200px, 80vw);
  height: min(1200px, 80vw);
  background: radial-gradient(circle, rgba(212, 255, 58, 0.12) 0%, transparent 70%);
  filter: blur(120px);
  pointer-events: none;
  animation: heroGlow 12s ease-in-out infinite;
}

@keyframes heroGlow {
  0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 1; transform: translate(-50%, -50%) scale(1.15); }
}

.hero-content {
  max-width: 920px;
  margin: 0 auto;
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-5);
  background: var(--accent-muted);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid rgba(212, 255, 58, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: clamp(2rem, 5vw, 3rem);
  letter-spacing: 0.02em;
  box-shadow: 0 0 32px rgba(212, 255, 58, 0.2), var(--shadow-inner);
  animation: badgeFloat 0.8s var(--ease-decelerate) backwards;
  animation-delay: 0.2s;
  transition: all var(--duration-normal) var(--ease-standard);
}

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

.hero-badge:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 48px rgba(212, 255, 58, 0.35), var(--shadow-inner-strong);
  border-color: rgba(212, 255, 58, 0.4);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 9vw, 7rem);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.045em;
  margin-bottom: clamp(1.5rem, 4vw, 2rem);
  color: var(--text-primary);
  animation: titleFloat 1s var(--ease-decelerate) backwards;
  animation-delay: 0.3s;
}

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

.hero-title .accent {
  color: var(--accent);
  text-shadow: 0 0 60px rgba(212, 255, 58, 0.4);
  display: inline-block;
  animation: accentGlow 3s ease-in-out infinite;
}

@keyframes accentGlow {
  0%, 100% { text-shadow: 0 0 60px rgba(212, 255, 58, 0.4); }
  50% { text-shadow: 0 0 80px rgba(212, 255, 58, 0.6); }
}

.hero-subtitle {
  font-size: clamp(1.0625rem, 2.5vw, 1.5rem);
  font-weight: 400;
  color: var(--text-secondary);
  margin-bottom: clamp(3rem, 8vw, 4rem);
  line-height: 1.65;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
  animation: subtitleFloat 1.2s var(--ease-decelerate) backwards;
  animation-delay: 0.4s;
}

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

.hero-buttons {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: clamp(4rem, 10vw, 6rem);
  flex-wrap: wrap;
  animation: buttonsFloat 1.4s var(--ease-decelerate) backwards;
  animation-delay: 0.5s;
}

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

/* ========== BUTTONS - PREMIUM ========== */
.btn {
  padding: clamp(0.875rem, 2vw, 1.125rem) clamp(2rem, 5vw, 3rem);
  border-radius: var(--radius-lg);
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  transition: all var(--duration-normal) var(--ease-standard);
  cursor: pointer;
  border: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), transparent);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-standard);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
  color: var(--bg-primary);
  box-shadow: 0 0 40px rgba(212, 255, 58, 0.35), var(--shadow-md);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 60px rgba(212, 255, 58, 0.5), var(--shadow-lg);
}

.btn-primary:hover::before {
  opacity: 1;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  color: var(--text-primary);
  border: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-sm), var(--shadow-inner);
}

.btn-secondary:hover {
  background: var(--accent-muted);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 0 32px var(--accent-glow), var(--shadow-md);
}

/* Continue in next message... CSS too long! */
/* ========== STATS CARDS - ULTRA PREMIUM ========== */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(1.5rem, 4vw, 2rem);
  max-width: 780px;
  margin: 0 auto;
  animation: statsFloat 1.6s var(--ease-decelerate) backwards;
  animation-delay: 0.6s;
}

@keyframes statsFloat {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
}

.stat-item {
  background: var(--glass-bg);
  backdrop-filter: var(--blur-md) saturate(180%);
  -webkit-backdrop-filter: var(--blur-md) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: clamp(2rem, 5vw, 2.5rem) clamp(1.5rem, 4vw, 2rem);
  text-align: center;
  transition: all var(--duration-slow) var(--ease-standard);
  box-shadow: var(--shadow-md), var(--shadow-inner);
  position: relative;
  overflow: hidden;
  cursor: default;
}

/* Animated gradient border on hover */
.stat-item::before {
  content: '';
  position: absolute;
  inset: -2px;
  background: linear-gradient(135deg, var(--accent), transparent, var(--accent-light));
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard);
  z-index: -1;
}

.stat-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--glass-hover);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border-radius: inherit;
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard);
  z-index: -1;
}

.stat-item:hover::before {
  opacity: 1;
  animation: rotateBorder 4s linear infinite;
}

@keyframes rotateBorder {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.stat-item:hover::after {
  opacity: 1;
}

.stat-item:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-xl), 
              0 0 60px rgba(212, 255, 58, 0.25),
              var(--shadow-inner-strong);
  border-color: transparent;
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 3.5rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: var(--space-4);
  letter-spacing: -0.035em;
  text-shadow: 0 0 32px rgba(212, 255, 58, 0.3);
  transition: all var(--duration-normal) var(--ease-standard);
}

.stat-item:hover .stat-number {
  transform: scale(1.05);
  text-shadow: 0 0 48px rgba(212, 255, 58, 0.5);
}

.stat-label {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transition: color var(--duration-normal) var(--ease-standard);
}

.stat-item:hover .stat-label {
  color: var(--text-primary);
}

/* ========== TOOLS SECTION ========== */
.tools-section {
  padding: clamp(6rem, 15vh, 10rem) 0;
  background: var(--bg-secondary);
  position: relative;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 800;
  text-align: center;
  letter-spacing: -0.04em;
  margin-bottom: clamp(4rem, 10vh, 6rem);
  color: var(--text-primary);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -1rem;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  border-radius: var(--radius-full);
}

.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: clamp(1.5rem, 4vw, 2rem);
}

/* ========== TOOL CARDS - ULTRA PREMIUM ========== */
.tool-card {
  background: var(--glass-bg);
  backdrop-filter: var(--blur-md) saturate(180%);
  -webkit-backdrop-filter: var(--blur-md) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.75rem, 4vw, 2.25rem) clamp(1.5rem, 3vw, 2rem);
  display: flex;
  align-items: center;
  gap: clamp(1rem, 3vw, 1.5rem);
  transition: all var(--duration-slow) var(--ease-standard);
  cursor: pointer;
  box-shadow: var(--shadow-sm), var(--shadow-inner);
  position: relative;
  overflow: hidden;
}

/* Shimmer effect on hover */
.tool-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(212, 255, 58, 0.08), transparent);
  transition: left var(--duration-slower) var(--ease-standard);
}

.tool-card:hover::before {
  left: 100%;
}

.tool-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(212, 255, 58, 0.06), transparent);
  opacity: 0;
  transition: opacity var(--duration-slow) var(--ease-standard);
  pointer-events: none;
}

.tool-card:hover {
  background: var(--glass-hover);
  border-color: rgba(212, 255, 58, 0.35);
  transform: translateY(-6px);
  box-shadow: var(--shadow-xl), 
              0 0 60px rgba(212, 255, 58, 0.2),
              var(--shadow-inner-strong);
}

.tool-card:hover::after {
  opacity: 1;
}

.tool-icon {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  width: clamp(56px, 12vw, 68px);
  height: clamp(56px, 12vw, 68px);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-muted);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
  transition: all var(--duration-normal) var(--ease-bounce);
  box-shadow: 0 0 32px rgba(212, 255, 58, 0.15);
  position: relative;
  z-index: 1;
}

.tool-card:hover .tool-icon {
  transform: scale(1.12) rotate(5deg);
  box-shadow: 0 0 48px rgba(212, 255, 58, 0.35);
}

.tool-info {
  flex: 1;
  position: relative;
  z-index: 1;
}

.tool-info h3 {
  font-size: clamp(1rem, 2.5vw, 1.125rem);
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
  letter-spacing: -0.02em;
  transition: all var(--duration-fast) var(--ease-standard);
}

.tool-card:hover .tool-info h3 {
  color: var(--accent);
  transform: translateX(2px);
}

.tool-info p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
  transition: color var(--duration-fast) var(--ease-standard);
}

.tool-card:hover .tool-info p {
  color: var(--text-primary);
}

/* ========== ABOUT SECTION ========== */
.about-section {
  padding: clamp(6rem, 15vh, 10rem) 0;
  background: var(--bg-primary);
}

.about-content {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.about-content h2 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
  margin-bottom: clamp(1.5rem, 3vw, 2rem);
  color: var(--accent);
  letter-spacing: -0.04em;
  text-shadow: 0 0 60px rgba(212, 255, 58, 0.3);
}

.about-content > p {
  font-size: clamp(1.0625rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  margin-bottom: clamp(3rem, 8vw, 4rem);
  line-height: 1.75;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: clamp(1.5rem, 4vw, 2rem);
  margin-top: clamp(3rem, 8vw, 4rem);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: clamp(1rem, 3vw, 1.5rem);
  padding: clamp(1.75rem, 4vw, 2.25rem);
  background: var(--glass-bg);
  backdrop-filter: var(--blur-md) saturate(180%);
  -webkit-backdrop-filter: var(--blur-md) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  transition: all var(--duration-slow) var(--ease-standard);
  box-shadow: var(--shadow-sm), var(--shadow-inner);
  text-align: left;
}

.feature-item:hover {
  background: var(--glass-hover);
  border-color: rgba(212, 255, 58, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 
              0 0 40px rgba(212, 255, 58, 0.15);
}

.feature-icon {
  font-size: 1.75rem;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-muted);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border-radius: var(--radius-lg);
  flex-shrink: 0;
  transition: transform var(--duration-normal) var(--ease-bounce);
}

.feature-item:hover .feature-icon {
  transform: scale(1.1) rotate(-5deg);
}

.feature-text h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: var(--space-2);
  color: var(--text-primary);
}

.feature-text p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ========== TOOL PAGE ========== */
.tool-page {
  min-height: 100vh;
  padding: calc(clamp(6rem, 15vh, 9rem) + 80px) 0 clamp(6rem, 12vh, 8rem);
  background: var(--bg-secondary);
}

.tool-header {
  text-align: center;
  margin-bottom: clamp(3rem, 8vw, 4rem);
}

.tool-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 7vw, 4.5rem);
  font-weight: 800;
  margin-bottom: var(--space-4);
  letter-spacing: -0.04em;
  color: var(--text-primary);
}

.tool-header p {
  font-size: clamp(1.0625rem, 2.5vw, 1.25rem);
  color: var(--text-secondary);
  line-height: 1.65;
}

.tool-content {
  max-width: 920px;
  margin: 0 auto;
  background: var(--glass-bg);
  backdrop-filter: var(--blur-lg) saturate(180%);
  -webkit-backdrop-filter: var(--blur-lg) saturate(180%);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: clamp(2.5rem, 6vw, 4rem);
  box-shadow: var(--shadow-2xl), var(--shadow-inner-strong);
}

/* ========== FORMS - LUXURY INPUTS ========== */
.form-group {
  margin-bottom: clamp(2rem, 5vw, 2.5rem);
}

.form-group label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.form-group input[type="text"],
.form-group input[type="number"],
.form-group input[type="email"],
.form-group input[type="datetime-local"],
.form-group textarea,
.form-group select {
  width: 100%;
  padding: clamp(0.875rem, 2vw, 1.125rem) clamp(1rem, 3vw, 1.5rem);
  background: rgba(12, 12, 12, 0.6);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: all var(--duration-normal) var(--ease-standard);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25) inset;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  background: rgba(18, 18, 18, 0.7);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(212, 255, 58, 0.12),
              0 2px 8px rgba(0, 0, 0, 0.25) inset;
  transform: translateY(-1px);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
  font-family: 'Monaco', 'Courier New', monospace;
  line-height: 1.7;
}

.form-group input[type="range"] {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: all var(--duration-fast) var(--ease-standard);
}

.form-group input[type="range"]:hover {
  background: rgba(255, 255, 255, 0.12);
}

.form-group input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 20px rgba(212, 255, 58, 0.5),
              0 2px 8px rgba(0, 0, 0, 0.3);
  transition: all var(--duration-fast) var(--ease-bounce);
}

.form-group input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.2);
  box-shadow: 0 0 32px rgba(212, 255, 58, 0.7),
              0 4px 12px rgba(0, 0, 0, 0.4);
}

.form-group input[type="range"]::-webkit-slider-thumb:active {
  transform: scale(1.1);
}

.form-group input[type="color"] {
  width: 100%;
  height: 140px;
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  background: var(--glass-bg);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
}

.form-group input[type="color"]:hover {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(212, 255, 58, 0.12);
  transform: translateY(-2px);
}

.button-group {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: clamp(2rem, 5vw, 2.5rem);
}

.button-group .btn {
  flex: 1 1 auto;
  min-width: 140px;
}

/* Continue... */
.checkbox-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-5);
  background: rgba(12, 12, 12, 0.4);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
}

.checkbox-group label {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--text-secondary);
  font-size: 0.9375rem;
  cursor: pointer;
  transition: color var(--duration-fast) var(--ease-standard);
  font-weight: 500;
}

.checkbox-group label:hover {
  color: var(--accent);
}

.checkbox-group input[type="checkbox"] {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--accent);
  transition: transform var(--duration-fast) var(--ease-bounce);
}

.checkbox-group input[type="checkbox"]:hover {
  transform: scale(1.1);
}

/* ========== STATS GRID - TOOL PAGES ========== */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: clamp(1.25rem, 3vw, 1.75rem);
  margin-top: clamp(2rem, 5vw, 2.5rem);
}

.stat-box {
  background: var(--glass-bg);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 4vw, 2.25rem);
  text-align: center;
  transition: all var(--duration-normal) var(--ease-standard);
  box-shadow: var(--shadow-sm), var(--shadow-inner);
}

.stat-box:hover {
  background: var(--glass-hover);
  border-color: rgba(212, 255, 58, 0.25);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 
              0 0 40px rgba(212, 255, 58, 0.12);
}

.stat-box .stat-value {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 5vw, 3rem);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: var(--space-3);
  letter-spacing: -0.03em;
  text-shadow: 0 0 24px rgba(212, 255, 58, 0.25);
}

.stat-box .stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 600;
}

/* ========== RESULT BOX ========== */
.result-box {
  background: rgba(12, 12, 12, 0.6);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  min-height: 140px;
  color: var(--text-secondary);
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.7;
  white-space: pre-wrap;
  word-wrap: break-word;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3) inset;
}

.password-display {
  display: flex;
  gap: var(--space-4);
  align-items: stretch;
}

.password-display input {
  flex: 1;
}

.password-display .btn {
  padding: var(--space-4) clamp(1.5rem, 4vw, 2rem);
}

/* ========== TEXT DIFF ========== */
.removed {
  background: rgba(239, 68, 68, 0.12);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  color: #ff6b6b;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border-left: 3px solid #ff6b6b;
  display: block;
  margin: var(--space-2) 0;
  font-weight: 500;
}

.added {
  background: rgba(34, 197, 94, 0.12);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  color: #51cf66;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-sm);
  border-left: 3px solid #51cf66;
  display: block;
  margin: var(--space-2) 0;
  font-weight: 500;
}

/* ========== QR TABS ========== */
.qr-tabs {
  display: flex;
  gap: var(--space-2);
  margin-bottom: clamp(2rem, 5vw, 2.5rem);
  flex-wrap: wrap;
  padding: var(--space-2);
  background: rgba(12, 12, 12, 0.4);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
}

.qr-tab {
  padding: var(--space-3) clamp(1rem, 3vw, 1.5rem);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.qr-tab:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent);
}

.qr-tab.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg-primary);
  border-color: var(--accent);
  box-shadow: 0 0 24px rgba(212, 255, 58, 0.35);
}

.qr-content-tab {
  display: none;
}

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

/* ========== FOOTER - ELEGANT ========== */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--glass-border);
  padding: clamp(4rem, 10vh, 6rem) 0 clamp(2rem, 5vh, 3rem);
  text-align: center;
  position: relative;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: min(400px, 60%);
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0.4;
}

.footer-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: var(--space-4);
  letter-spacing: -0.03em;
}

.footer-text {
  color: var(--text-secondary);
  margin-bottom: var(--space-5);
  font-size: 1rem;
  line-height: 1.7;
}

.footer-copy {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  padding-top: var(--space-5);
}

/* ========== RESPONSIVE - MOBILE FIRST ========== */
@media (max-width: 1024px) {
  .tools-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --space-8: 1.5rem;
    --space-10: 2rem;
    --space-12: 2.5rem;
  }

  .navbar {
    top: var(--space-4);
    width: calc(100% - var(--space-8));
  }
  
  .navbar .container {
    padding: var(--space-3) var(--space-5);
  }
  
  .nav-menu {
    display: none;
  }
  
  .mobile-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
  }
  
  .hero {
    min-height: auto;
    padding: clamp(6rem, 15vh, 8rem) 0 clamp(4rem, 10vh, 6rem);
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
  
  .tools-grid {
    grid-template-columns: 1fr;
    gap: var(--space-5);
  }
  
  .tool-card {
    padding: var(--space-6);
  }
  
  .about-features {
    grid-template-columns: 1fr;
  }
  
  .button-group {
    flex-direction: column;
  }
  
  .button-group .btn {
    width: 100%;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4);
  }
  
  .qr-tabs {
    flex-direction: column;
  }
  
  .password-display {
    flex-direction: column;
  }
  
  .tool-content {
    padding: var(--space-8);
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.25rem;
  }
  
  .stat-number {
    font-size: 2.75rem;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .tool-icon {
    width: 52px;
    height: 52px;
    font-size: 1.5rem;
  }
}

/* ========== SCROLLBAR - LUXURY ========== */
::-webkit-scrollbar {
  width: 14px;
}

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

::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.08));
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border-radius: 7px;
  border: 3px solid var(--bg-secondary);
  transition: background var(--duration-fast) var(--ease-standard);
}

::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, var(--accent), var(--accent-dark));
  box-shadow: 0 0 16px rgba(212, 255, 58, 0.3);
}

/* ========== LOADING STATES ========== */
.loading {
  position: relative;
  pointer-events: none;
  opacity: 0.6;
}

.loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(212, 255, 58, 0.12), transparent);
  background-size: 200% 100%;
  animation: shimmer 1.5s ease-in-out infinite;
  border-radius: inherit;
}

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

/* ========== SKELETON LOADING ========== */
.skeleton {
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0.03) 0%, 
    rgba(255, 255, 255, 0.06) 50%, 
    rgba(255, 255, 255, 0.03) 100%);
  background-size: 200% 100%;
  animation: skeleton-loading 1.5s ease-in-out infinite;
  border-radius: inherit;
}

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

/* ========== MICRO INTERACTIONS ========== */
.tool-card,
.stat-item,
.feature-item,
.btn {
  will-change: transform;
}

/* Reduced motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ========== PRINT STYLES ========== */
@media print {
  .navbar,
  .footer,
  .hero-buttons,
  .button-group {
    display: none !important;
  }
  
  body {
    background: white;
    color: black;
  }
  
  body::before,
  body::after {
    display: none;
  }
  
  .tool-content {
    box-shadow: none;
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }
}

/* ========== HIGH CONTRAST MODE ========== */
@media (prefers-contrast: high) {
  :root {
    --glass-border: rgba(255, 255, 255, 0.3);
    --text-secondary: #cccccc;
  }
}

/* ========== DARK MODE OVERRIDE (if needed) ========== */
@media (prefers-color-scheme: light) {
  /* Already dark by default - no changes needed */
}

/* ========== FOCUS VISIBLE ========== */
*:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

/* ========== ADDITIONAL UTILITIES & MISSING STYLES ========== */

/* Color Swatches - For Color Picker */
.color-swatches {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.color-swatch {
  width: 100%;
  height: 60px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
  border: 2px solid transparent;
  box-shadow: var(--shadow-sm);
}

.color-swatch:hover {
  transform: scale(1.1);
  border-color: var(--accent);
  box-shadow: var(--shadow-lg);
}

/* Code Display with Syntax Highlighting */
.code-display {
  background: rgba(12, 12, 12, 0.8);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  overflow-x: auto;
  font-family: 'Monaco', 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.7;
}

.code-display .keyword { color: #ff6b9d; }
.code-display .string { color: #a9dc76; }
.code-display .number { color: #fc9867; }
.code-display .function { color: #78dce8; }
.code-display .comment { color: #5c6370; }

/* Copy Button for Code Blocks */
.copy-code-btn {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--accent);
  color: var(--bg-primary);
  border: none;
  border-radius: var(--radius);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-fast) var(--ease-standard);
  z-index: 10;
}

.copy-code-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(212, 255, 58, 0.4);
}

.copy-code-btn.copied {
  background: #22c55e;
}

/* Progress Bar */
.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-full);
  overflow: hidden;
  margin: var(--space-4) 0;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-light));
  border-radius: var(--radius-full);
  transition: width var(--duration-normal) var(--ease-standard);
  box-shadow: 0 0 16px rgba(212, 255, 58, 0.5);
}

/* Tooltip */
.tooltip {
  position: absolute;
  background: rgba(12, 12, 12, 0.95);
  backdrop-filter: var(--blur-md);
  -webkit-backdrop-filter: var(--blur-md);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-3);
  font-size: 0.8125rem;
  color: var(--text-primary);
  white-space: nowrap;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: all var(--duration-fast) var(--ease-standard);
}

.tooltip.show {
  opacity: 1;
  transform: translateY(0);
}

/* Modal/Dialog */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: var(--blur-xl);
  -webkit-backdrop-filter: var(--blur-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: var(--space-6);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-standard);
}

.modal.show {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background: var(--glass-bg);
  backdrop-filter: var(--blur-lg);
  -webkit-backdrop-filter: var(--blur-lg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-2xl);
  padding: var(--space-8);
  max-width: 600px;
  width: 100%;
  box-shadow: var(--shadow-2xl);
  transform: scale(0.9);
  transition: transform var(--duration-normal) var(--ease-bounce);
}

.modal.show .modal-content {
  transform: scale(1);
}

/* Alert Messages */
.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-lg);
  border-left: 4px solid;
  margin-bottom: var(--space-4);
  font-size: 0.9375rem;
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
}

.alert-success {
  background: rgba(34, 197, 94, 0.12);
  border-color: #22c55e;
  color: #86efac;
}

.alert-error {
  background: rgba(239, 68, 68, 0.12);
  border-color: #ef4444;
  color: #fca5a5;
}

.alert-warning {
  background: rgba(251, 191, 36, 0.12);
  border-color: #fbbf24;
  color: #fde047;
}

.alert-info {
  background: rgba(59, 130, 246, 0.12);
  border-color: #3b82f6;
  color: #93c5fd;
}

/* Tabs System */
.tabs-container {
  margin-bottom: var(--space-6);
}

.tabs-header {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2);
  background: rgba(12, 12, 12, 0.4);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border-radius: var(--radius-xl);
  border: 1px solid var(--glass-border);
  margin-bottom: var(--space-6);
}

.tab-btn {
  padding: var(--space-3) var(--space-5);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-standard);
  font-weight: 600;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.tab-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--accent);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg-primary);
  border-color: var(--accent);
  box-shadow: 0 0 24px rgba(212, 255, 58, 0.35);
}

.tab-panel {
  display: none;
}

.tab-panel.active {
  display: block;
  animation: fadeIn 0.4s var(--ease-decelerate);
}

/* Drag & Drop Zone */
.drop-zone {
  border: 2px dashed var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  text-align: center;
  background: rgba(12, 12, 12, 0.4);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  transition: all var(--duration-normal) var(--ease-standard);
  cursor: pointer;
}

.drop-zone:hover {
  border-color: var(--accent);
  background: var(--accent-muted);
}

.drop-zone.dragover {
  border-color: var(--accent);
  background: var(--accent-muted);
  transform: scale(1.02);
  box-shadow: 0 0 40px rgba(212, 255, 58, 0.2);
}

.drop-zone-icon {
  font-size: 3rem;
  margin-bottom: var(--space-4);
  opacity: 0.5;
}

.drop-zone-text {
  color: var(--text-secondary);
  font-size: 1rem;
  margin-bottom: var(--space-2);
}

.drop-zone-hint {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

/* Badge System */
.badge-group {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
  margin: var(--space-4) 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--accent-muted);
  border: 1px solid rgba(212, 255, 58, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--accent);
}

.badge-success { background: rgba(34, 197, 94, 0.12); border-color: #22c55e; color: #86efac; }
.badge-error { background: rgba(239, 68, 68, 0.12); border-color: #ef4444; color: #fca5a5; }
.badge-warning { background: rgba(251, 191, 36, 0.12); border-color: #fbbf24; color: #fde047; }
.badge-info { background: rgba(59, 130, 246, 0.12); border-color: #3b82f6; color: #93c5fd; }

/* Grid Pattern Background */
.grid-pattern {
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Gradient Text */
.gradient-text {
  background: linear-gradient(135deg, var(--accent), var(--accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Glow Effect */
.glow {
  box-shadow: 0 0 40px rgba(212, 255, 58, 0.4);
}

.glow-strong {
  box-shadow: 0 0 60px rgba(212, 255, 58, 0.6);
}

/* Pulse Animation */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Bounce Animation */
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.bounce {
  animation: bounce 1s ease-in-out infinite;
}

/* Spin Animation */
@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin {
  animation: spin 1s linear infinite;
}

/* Fade In Animation */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.fade-in {
  animation: fadeIn 0.6s var(--ease-decelerate);
}

/* Slide Up Animation */
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.slide-up {
  animation: slideUp 0.6s var(--ease-decelerate);
}

/* Empty State */
.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-6);
  color: var(--text-secondary);
}

.empty-state-icon {
  font-size: 4rem;
  opacity: 0.3;
  margin-bottom: var(--space-6);
}

.empty-state h3 {
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: var(--space-3);
}

.empty-state p {
  font-size: 1rem;
  margin-bottom: var(--space-6);
}

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin: var(--space-8) 0;
}

/* Divider Line */
.divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--glass-border), transparent);
  margin: var(--space-8) 0;
}

.divider-vertical {
  width: 1px;
  background: linear-gradient(180deg, transparent, var(--glass-border), transparent);
  height: 100%;
}

/* Text Utilities */
.text-xs { font-size: 0.75rem; }
.text-sm { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-lg { font-size: 1.125rem; }
.text-xl { font-size: 1.25rem; }
.text-2xl { font-size: 1.5rem; }
.text-3xl { font-size: 1.875rem; }
.text-4xl { font-size: 2.25rem; }

.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-black { font-weight: 900; }

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

.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }

/* Spacing Utilities */
.m-0 { margin: 0; }
.m-4 { margin: var(--space-4); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mt-0 { margin-top: 0; }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.mb-0 { margin-bottom: 0; }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }

.p-0 { padding: 0; }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* Display Utilities */
.hidden { display: none !important; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Flex Utilities */
.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

/* Width Utilities */
.w-full { width: 100%; }
.w-auto { width: auto; }
.max-w-sm { max-width: 640px; }
.max-w-md { max-width: 768px; }
.max-w-lg { max-width: 1024px; }
.max-w-xl { max-width: 1280px; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Z-Index */
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }
.z-999 { z-index: 999; }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Pointer Events */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* ========== END OF STYLES ========== */

/*
==========================================================================
  TAMBAHAN & PERBAIKAN UNTUK KOMPONEN FORM DAN UTILITAS
==========================================================================
*/

/*
--- Form-Specific Layouts ---
Gunakan kelas ini pada container spesifik di halaman tool Anda
jika Anda membutuhkan layout yang berbeda dari .tool-content default.
*/
.generator-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: var(--space-8);
  align-items: flex-start;
}

.converter-container {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .converter-container {
    grid-template-columns: 1fr 1fr;
  }
}

.preview-area {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-primary);
  padding: var(--space-8);
  border-radius: var(--radius-lg);
  min-height: 300px;
}

/*
--- Unstyled & Reset ---
Kelas `.unstyled` ini bisa Anda tambahkan ke elemen form apa pun
(input, textarea, select, button) untuk menghapus semua style bawaan
browser dan menerapkan style dasar yang sesuai tema.
*/
.unstyled {
  all: unset;
  box-sizing: border-box;
  width: 100%;
  display: inline-block;
  font-family: inherit;
  font-size: 1rem;
}

/* --- Unstyled Text Input & Select --- */
input[type="text"].unstyled,
input[type="number"].unstyled,
input[type="email"].unstyled,
select.unstyled,
textarea.unstyled {
  padding: var(--space-3) var(--space-4);
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--duration-fast) var(--ease-standard), box-shadow var(--duration-fast) var(--ease-standard);
}

input[type="text"].unstyled:focus,
input[type="number"].unstyled:focus,
input[type="email"].unstyled:focus,
select.unstyled:focus,
textarea.unstyled:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

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

/* --- Unstyled Checkbox & Radio --- */
.checkbox-group label,
.radio-group label {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    padding: var(--space-3);
    border-radius: var(--radius);
    transition: background-color var(--duration-fast);
}
.checkbox-group label:hover,
.radio-group label:hover {
    background-color: var(--accent-muted);
}

input[type="checkbox"].unstyled,
input[type="radio"].unstyled {
    -webkit-appearance: none;
    appearance: none;
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    border: 1.5px solid var(--glass-border);
    border-radius: 6px;
    position: relative;
    cursor: pointer;
    transition: all var(--duration-fast);
}

input[type="radio"].unstyled {
    border-radius: 50%;
}

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

input[type="radio"].unstyled:checked {
    border-color: var(--accent);
}

input[type="checkbox"].unstyled:checked::after {
    content: '\2713'; /* Checkmark symbol */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 14px;
    color: var(--bg-primary);
    font-weight: bold;
}

input[type="radio"].unstyled:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--accent);
}


/* --- Error Message Styling --- */
.error-message {
  color: #ff6b6b; /* Warna error yang kontras */
  font-size: 0.875rem;
  margin-top: var(--space-2);
  min-height: 1rem;
}

/*
--- Specific Component Fixes ---
Beberapa kelas untuk komponen yang Anda buat agar tampilannya
lebih rapi dan konsisten.
*/
.ratio-inputs, .calc-row {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.ratio-inputs span, .calc-row span {
  font-size: 1.5rem;
  color: var(--text-tertiary);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.result-card, .result-display, .results-tip {
    background-color: var(--bg-tertiary);
    padding: var(--space-6);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
}

hr {
  border: none;
  height: 1px;
  background-color: var(--glass-border);
  margin: var(--space-8) 0;
}
/*
==========================================================================
  ULTIMATE FORM STYLING FIX (ANTI RIBET)
  Target langsung elemen form yang belum di-style.
==========================================================================
*/

/* 
  Target semua input teks, nomor, email, dll.
  KECUALI: input yang sudah punya class, dan tipe khusus seperti checkbox/radio/range.
*/
input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="submit"]):not([type="reset"]):not([type="button"]),
textarea,
select {
  /* Terapkan style dasar yang mewah dari variabel Anda */
  width: 100%;
  display: block;
  padding: var(--space-3) var(--space-4);
  background-color: rgba(12, 12, 12, 0.6);
  backdrop-filter: var(--blur-sm);
  -webkit-backdrop-filter: var(--blur-sm);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.9375rem;
  transition: all var(--duration-normal) var(--ease-standard);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25) inset;
  appearance: none; /* Hapus style bawaan browser */
  -webkit-appearance: none;
}

input:not([type="checkbox"]):not([type="radio"]):not([type="range"]):not([type="color"]):not([type="file"]):not([type="submit"]):not([type="reset"]):not([type="button"]):focus,
textarea:focus,
select:focus {
  outline: none;
  background-color: rgba(18, 18, 18, 0.7);
  border-color: var(--accent);
  box-shadow: 0 0 0 4px rgba(212, 255, 58, 0.12), 0 2px 8px rgba(0, 0, 0, 0.25) inset;
  transform: translateY(-1px);
}

textarea {
    resize: vertical;
    min-height: 140px;
    font-family: Monaco, Courier New, monospace;
    line-height: 1.7;
}

/* 
  Target semua tombol yang TIDAK punya class .btn utama
  Ini akan men-style tombol 'Copy', 'Generate', dll. agar konsisten.
*/
button:not(.btn) {
    /* Style ini meniru .btn-secondary Anda agar konsisten */
    padding: var(--space-3) var(--space-5);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    font-weight: 600;
    transition: all var(--duration-normal) var(--ease-standard);
    cursor: pointer;
    border: 1px solid rgba(255, 255, 255, 0.12);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    white-space: nowrap;
    position: relative;
    overflow: hidden;
    background-color: rgba(255, 255, 255, 0.06);
    backdrop-filter: var(--blur-sm);
    -webkit-backdrop-filter: var(--blur-sm);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm), var(--shadow-inner);
}

button:not(.btn):hover {
    background-color: var(--accent-muted);
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-3px);
    box-shadow: 0 0 32px var(--accent-glow), var(--shadow-md);
}

button:not(.btn):active {
    transform: scale(0.98);
}