@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playwrite+AU+SA:wght@100..400&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@400;700;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* ============== DESIGN TOKENS ============== */
:root {
  /* Colors - Light Theme */
  --color-primary-50: #eff6ff;
  --color-primary-100: #dbeafe;
  --color-primary-200: #bfdbfe;
  --color-primary-300: #93c5fd;
  --color-primary-400: #60a5fa;
  --color-primary-500: #3b82f6;
  --color-primary-600: #2563eb;
  --color-primary-700: #1d4ed8;
  --color-primary-800: #1e40af;
  --color-primary-900: #1e3a8a;
  
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;
  
  --color-success-500: #10b981;
  --color-warning-500: #f59e0b;
  --color-error-500: #ef4444;
  
  /* Spacing System */
  --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;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
  
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Playwrite AU SA', cursive;
  
  /* Light Theme Variables */
  --bg-primary: var(--color-gray-50);
  --bg-secondary: white;
  --bg-tertiary: var(--color-gray-100);
  --text-primary: var(--color-gray-900);
  --text-secondary: var(--color-gray-600);
  --text-tertiary: var(--color-gray-500);
  --border-color: var(--color-gray-200);
  --card-shadow: var(--shadow-md);
  --card-shadow-hover: var(--shadow-lg);
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
  --glass-blur: 12px;
  
  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #1a365d 0%, #0d9488 100%);
  --gradient-secondary: linear-gradient(135deg, var(--color-success-500) 0%, var(--color-primary-600) 100%);
  --gradient-hero: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-700) 50%, var(--color-primary-600) 100%);
  --gradient-header: linear-gradient(120deg, #1a365d, #0d9488, #1a365d);
}

/* Dark Theme */
[data-theme="dark"] {
  --bg-primary: #08080c;
  --bg-secondary: #0e0e16;
  --bg-tertiary: #0a0a12;
  --text-primary: #e8eaf0;
  --text-secondary: #b0b8c8;
  --text-tertiary: #6b7385;
  --border-color: #1e1e30;
  --card-shadow: 0 4px 12px -1px rgba(0, 0, 0, 0.6), 0 0 40px rgba(59, 130, 246, 0.05);
  --card-shadow-hover: 0 12px 24px -3px rgba(0, 0, 0, 0.8), 0 0 60px rgba(59, 130, 246, 0.1);
  
  --glass-bg: rgba(14, 14, 22, 0.85);
  --glass-border: rgba(96, 165, 250, 0.15);
  --glass-blur: 20px;
}

/* ============== RESET & BASE ============== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  background: var(--bg-primary) !important;
  position: relative;
  --mouse-x: 50%;
  --mouse-y: 50%;
}

/* Animated gradient background */
body::before {
  content: '';
  position: fixed;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: 
    radial-gradient(circle at 20% 20%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
    radial-gradient(circle at 40% 60%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 70% 30%, rgba(236, 72, 153, 0.05) 0%, transparent 50%);
  animation: backgroundFloat 30s ease-in-out infinite;
  pointer-events: none;
  z-index: -2;
}

/* Subtle noise texture */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: -1;
  opacity: 0.5;
}

html[data-theme="dark"] body::after {
  background: radial-gradient(800px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(59, 130, 246, 0.06), transparent 40%),
              url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
}

/* Floating Particles overlay */
#particles-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
  overflow: hidden;
}

.particle {
  position: fixed;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  animation: particleRise ease-in infinite;
  z-index: 9999;
}

.particle--blue {
  background: #3B82F6;
  box-shadow: 0 0 8px rgba(59, 130, 246, 0.6);
  opacity: 0.7;
}

.particle--teal {
  background: #14B8A6;
  box-shadow: 0 0 8px rgba(20, 184, 166, 0.6);
  opacity: 0.7;
}

html[data-theme="dark"] .particle--blue {
  background: rgba(96, 165, 250, 0.8);
  box-shadow: 0 0 12px rgba(96, 165, 250, 0.6);
  opacity: 1;
}

html[data-theme="dark"] .particle--teal {
  background: rgba(45, 212, 191, 0.8);
  box-shadow: 0 0 12px rgba(45, 212, 191, 0.6);
  opacity: 1;
}

html[data-theme="dark"] .particle--teal {
  background: rgba(52, 211, 153, 0.6);
  box-shadow: 0 0 10px rgba(52, 211, 153, 0.4);
  opacity: 1;
}

@keyframes particleRise {
  0% {
    transform: translateY(100vh) translateX(0) scale(0.5);
    opacity: 0;
  }
  10% {
    opacity: 0.6;
    transform: translateY(80vh) translateX(10px) scale(0.8);
  }
  25% {
    transform: translateY(60vh) translateX(-8px) scale(1);
  }
  50% {
    transform: translateY(40vh) translateX(12px) scale(1);
  }
  75% {
    transform: translateY(20vh) translateX(-6px) scale(0.9);
  }
  90% {
    opacity: 0.4;
    transform: translateY(5vh) translateX(8px) scale(0.7);
  }
  100% {
    transform: translateY(-10vh) translateX(0) scale(0.5);
    opacity: 0;
  }
}

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

html[data-theme="dark"] body,
body[data-theme="dark"] {
  background-color: var(--bg-primary);
  background: radial-gradient(ellipse at 20% 50%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
              radial-gradient(ellipse at 80% 20%, rgba(20, 184, 166, 0.05) 0%, transparent 50%),
              radial-gradient(ellipse at 50% 80%, rgba(139, 92, 246, 0.04) 0%, transparent 50%),
              var(--bg-primary) !important;
  box-shadow: inset 0 0 150px rgba(0, 0, 0, 0.5);
}

/* ============== TYPOGRAPHY ============== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-4);
  color: var(--text-secondary);
}

/* ============== LAYOUT ============== */
.container {
  width: 100%;
  max-width: 1400px !important;
  margin: 0 auto;
  padding: 0 var(--space-6) !important;
  box-sizing: border-box;
}

@media (min-width: 640px) {
  .container {
    padding: 0 var(--space-8) !important;
  }
}

@media (min-width: 1024px) {
  .container {
    padding: 0 var(--space-12) !important;
  }
}

/* ============== HEADER ============== */
header {
  background: var(--gradient-header);
  background-size: 200% 200%;
  animation: gradientMove 8s ease-in-out infinite;
  position: relative;
  padding: var(--space-10) 0 var(--space-16);
  overflow: hidden;
}

header::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 50px;
  background: var(--bg-primary);
  clip-path: ellipse(55% 100% at 50% 100%);
}

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

header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

nav {
  position: relative;
  z-index: 10;
}

/* Header Controls */
.header-controls {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-8);
}

.search-container {
  position: relative;
  flex: 1;
  max-width: 400px;
}

.search-kbd {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  gap: 2px;
  padding: 2px 6px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  font-size: 0.65rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.6);
  font-family: inherit;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

#searchInput:focus ~ .search-kbd {
  opacity: 0;
}

@media (max-width: 640px) {
  .hidden-md { display: none; }
}

#searchInput {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-left: var(--space-10);
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-xl);
  color: white;
  font-size: 0.875rem;
  font-weight: 500;
  transition: var(--transition-normal);
}

#searchInput::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

#searchInput:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.search-container .fas {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.search-container.has-results .fas {
  color: var(--color-success-500);
}

#themeToggle {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

#themeToggle::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

#themeToggle:hover::before {
  opacity: 1;
}

#themeToggle:hover {
  transform: scale(1.1) rotate(15deg);
  border-color: rgba(255, 255, 255, 0.3);
}

#themeToggle i {
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Logo */
.logo-container {
  display: flex;
  justify-content: center;
  margin: var(--space-8) 0;
}

.logo-wrapper {
  width: 120px;
  height: 120px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 24px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-lg);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  animation: logoPulse 4s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2), 0 0 0 0 rgba(255, 255, 255, 0.1); }
  50% { box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3), 0 0 0 8px rgba(255, 255, 255, 0); }
}

.logo-wrapper::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
  border-radius: 24px;
  pointer-events: none;
}

.logo-wrapper:hover {
  transform: scale(1.05) rotate(2deg);
  border-color: rgba(255, 255, 255, 0.4);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.logo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 24px;
}

/* Hero Content */
.profbt {
  font-family: 'Orbitron', 'Inter', Arial, sans-serif;
  font-size: 3.5rem;
  font-weight: 700;
  color: white;
  text-align: center;
  margin: var(--space-6) 0;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.header-title {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.25rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.95);
  font-weight: 400;
  font-family: 'Inter', sans-serif;
}

.waving-hand {
  display: inline-block;
  animation: waving 2.5s ease infinite;
  transform-origin: 70% 70%;
  font-size: 1.5em;
  margin-right: var(--space-2);
}

@keyframes waving {
  0% { transform: rotate(0deg); }
  10% { transform: rotate(14deg); }
  20% { transform: rotate(-8deg); }
  30% { transform: rotate(14deg); }
  40% { transform: rotate(-4deg); }
  50% { transform: rotate(10deg); }
  60% { transform: rotate(0deg); }
  100% { transform: rotate(0deg); }
}

.tech-welcome-icon {
  color: var(--accent-color);
  font-size: 1.2em;
  margin-right: 0.5rem;
  animation: techGlow 3s ease-in-out infinite;
  text-shadow: 0 0 8px var(--accent-color);
}

@keyframes techGlow {
  0%, 100% {
    opacity: 1;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.05);
  }
}

/* Stats Bar - overlaps header curve */
.stats-bar-wrapper {
  position: relative;
  z-index: 10;
  margin-top: -36px;
  padding: 0 var(--space-4);
}

.stats-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
  padding: var(--space-4) var(--space-5);
  background: linear-gradient(135deg, #1a365d 0%, #0d9488 100%);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-xl);
  max-width: 380px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
}

.stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  color: rgba(255, 255, 255, 0.95);
}

.stat-item i {
  font-size: 0.75rem;
  color: rgba(255, 255, 255, 0.7);
}

.stat-value {
  font-size: 1.25rem;
  font-weight: 700;
  line-height: 1;
  color: #fff;
}

.stat-label {
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: rgba(255, 255, 255, 0.6);
}

.stat-divider {
  width: 1px;
  height: 32px;
  background: rgba(255, 255, 255, 0.15);
}

@media (max-width: 480px) {
  .stats-bar {
    max-width: 100%;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
  }

  .stat-value {
    font-size: 1rem;
  }
}

/* ============== MAIN CONTENT ============== */
main {
  padding: var(--space-8) 0;
}

[data-theme="dark"] main {
  position: relative;
  z-index: 1;
}

/* Categories */
.category {
  margin-bottom: var(--space-12);
  animation: fadeInUp 0.5s ease-out both;
}

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

.category-title {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary-800);
  margin-bottom: var(--space-6);
  padding: var(--space-5) var(--space-6);
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.category-title:hover {
  transform: translateX(4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-200);
}

.category-title i {
  font-size: 1.25rem;
  color: #fff;
  background: var(--gradient-primary);
  padding: var(--space-2);
  border-radius: var(--radius-lg);
  transition: transform 0.3s ease;
}

.category-title:hover i {
  transform: scale(1.1);
}

.category-badge {
  margin-left: auto;
  padding: 2px 10px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 600;
  color: #fff;
}

[data-theme="dark"] .category-title i {
  background: rgba(255,255,255,0.12) !important;
  color: #fff !important;
}

/* Grid - Bento Style */
.link-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}

@media (min-width: 768px) and (max-width: 1023px) {
  .link-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1024px) {
  .link-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 767px) {
  .link-grid {
    grid-template-columns: 1fr;
  }
}

/* Cards - Glassmorphism Style */
.resource-card {
  background: var(--glass-bg);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: var(--space-5);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--card-shadow);
  position: relative;
  overflow: hidden;
  transform-style: preserve-3d;
  will-change: transform;
  z-index: 2;
}

.resource-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary-500), var(--color-success-500), var(--color-primary-400));
  background-size: 200% 100%;
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: gradientSlide 3s ease-in-out infinite;
}

/* Cursor glow overlay */
.resource-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: radial-gradient(
    200px circle at var(--mouse-x, 50%) var(--mouse-y, 50%),
    rgba(59, 130, 246, 0.06) 0%,
    transparent 100%
  );
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

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

.resource-card:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: var(--card-shadow-hover), 0 0 20px rgba(59, 130, 246, 0.15);
  border-color: var(--color-primary-300);
}

.resource-card:hover::before {
  opacity: 1;
}

.resource-card:active {
  transform: translateY(-2px) scale(1.01);
}

.card-content {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.card-logo {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  object-fit: contain;
  background: var(--bg-tertiary);
  padding: var(--space-2);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 1px solid var(--border-color);
}

.resource-card:hover .card-logo {
  transform: scale(1.08) rotate(3deg);
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary-200);
}

.card-text {
  flex: 1;
  min-width: 0;
}

.card-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: var(--space-1);
  line-height: 1.3;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  transition: color 0.3s ease;
}

.resource-card:hover .card-title {
  color: var(--color-primary-600);
}

.card-description {
  font-size: 0.8125rem;
  color: var(--text-secondary);
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-description i {
  margin-right: var(--space-2);
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 600;
}

/* ============== FOOTER ============== */
footer {
  background: var(--gradient-primary);
  padding: var(--space-12) 0 var(--space-6);
  margin-top: var(--space-8);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: -38px;
  left: 0;
  right: 0;
  height: 40px;
  background: var(--bg-primary);
  clip-path: ellipse(55% 100% at 50% 0%);
  z-index: 1;
}

footer::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

.footer-grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-logo {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.footer-logo-img {
  width: 32px;
  height: 32px;
  object-fit: contain;
}

.footer-title {
  font-family: 'Orbitron', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.03em;
}

.footer-tagline {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.5;
  margin: 0;
}

.footer-heading {
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-4);
}

.footer-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-list li a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 0.875rem;
  transition: all 0.2s ease;
  padding: var(--space-2) 0;
}

.footer-list li a:hover {
  color: #fff;
  transform: translateX(4px);
}

.footer-list li a i {
  width: 16px;
  text-align: center;
  font-size: 0.8125rem;
}

.footer-bottom {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: var(--space-6);
  flex-wrap: wrap;
  gap: var(--space-4);
}

.footer-copy {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8125rem;
  margin: 0;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 0.875rem;
}

.social-link:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.3);
}

footer::before {
  content: '';
  position: absolute;
  top: -38px;
  left: 0;
  right: 0;
  height: 40px;
  background: var(--bg-primary);
  clip-path: ellipse(55% 100% at 50% 0%);
  z-index: 1;
}

footer::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 50%);
  pointer-events: none;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, 
    transparent, 
    rgba(255, 255, 255, 0.3), 
    transparent
  );
}

.footer-content {
  text-align: center;
  color: #fff !important;
  font-size: 0.95rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  text-shadow: 0 2px 8px rgba(0,0,0,0.12);
  font-family: var(--font-sans);
}

.footer-heart {
  display: inline-block;
  color: #ff1a3c;
  font-size: 1.3em;
  margin: 0 0.3em;
  vertical-align: middle;
  animation: heartBeat 1.5s ease-in-out infinite;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.15));
}

.footer-name {
  font-weight: 700;
  background: none;
  -webkit-background-clip: unset;
  -webkit-text-fill-color: unset;
  background-clip: unset;
  color: #fff !important;
  font-family: var(--font-sans);
  font-size: 1.1em;
  letter-spacing: 0.01em;
}

@keyframes heartBeat {
  0% { transform: scale(1); }
  14% { transform: scale(1.3); }
  28% { transform: scale(1); }
  42% { transform: scale(1.3); }
  70% { transform: scale(1); }
}

footer p {
  color: #fff;
}

.footer-copy {
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.8125rem;
  margin: 0;
}

/* ============== SCROLL TO TOP ============== */
.scroll-top-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-primary);
  border: none;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  z-index: 90;
  font-size: 1.25rem;
}

.scroll-top-btn.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top-btn:hover {
  transform: translateY(-4px) scale(1.05);
  box-shadow: var(--shadow-xl), 0 0 20px rgba(59, 130, 246, 0.3);
}

.scroll-top-btn:active {
  transform: translateY(-2px) scale(1.02);
}

/* Empty State */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-16) var(--space-8);
  text-align: center;
  color: var(--text-secondary);
  animation: fadeInUp 0.4s ease-out;
}

.empty-state i {
  font-size: 3rem;
  opacity: 0.3;
  margin-bottom: var(--space-4);
}

.empty-state h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: var(--space-2);
}

.empty-state p {
  font-size: 0.875rem;
  color: var(--text-tertiary);
}

/* Floating Search Bar */
.floating-search {
  position: fixed;
  top: -80px;
  left: 0;
  right: 0;
  z-index: 90;
  padding: var(--space-3) var(--space-4);
  transition: top 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  pointer-events: none;
}

.floating-search.visible {
  top: 0;
  pointer-events: all;
}

.floating-search-inner {
  max-width: 500px;
  margin: 0 auto;
  position: relative;
  background: var(--glass-bg);
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(0, 0, 0, 0.1);
  overflow: hidden;
}

.floating-search-inner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-primary);
}

#floatingSearchInput {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  padding-left: 2.75rem;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-sans);
  outline: none;
}

#floatingSearchInput::placeholder {
  color: var(--text-tertiary);
}

.floating-search-inner .fas {
  position: absolute;
  left: var(--space-4);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

/* ============== RESPONSIVE ============== */
@media (max-width: 768px) {
  header {
    padding: var(--space-6) 0 var(--space-12);
  }

  header::after {
    height: 30px;
  }

  .header-controls {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-3);
  }
  
  .search-container {
    max-width: none;
  }

  .search-kbd {
    display: none;
  }
  
  .logo-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 16px;
  }
  
  .profbt {
    font-size: 1.5rem;
    letter-spacing: 0.02em;
  }
  
  .header-title {
    font-size: 0.875rem;
    flex-direction: column;
    gap: 0.2rem;
  }

  .stats-bar-wrapper {
    padding: 0 var(--space-6);
    margin-top: -8px;
  }

  .stats-bar {
    max-width: 320px;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
  }

  .stats-bar {
    max-width: 100%;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
  }

  .stat-value {
    font-size: 1rem;
  }

  .stat-label {
    font-size: 0.5625rem;
  }

  .stat-divider {
    height: 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-4);
  }

  .category-title {
    font-size: 1.125rem;
    padding: var(--space-4) var(--space-5);
  }

  .category-badge {
    font-size: 0.6875rem;
    padding: 2px 8px;
  }

  .link-grid {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }

  .resource-card {
    padding: var(--space-4);
  }

  .card-content {
    gap: var(--space-3);
  }

  .card-logo {
    width: 48px;
    height: 48px;
  }

  .card-title {
    font-size: 0.9375rem;
  }

  .card-description {
    font-size: 0.75rem;
  }

  .scroll-top-btn {
    bottom: 1.5rem;
    right: 1.5rem;
    width: 42px;
    height: 42px;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 var(--space-4);
  }
  
  header {
    padding: var(--space-5) 0 var(--space-10);
  }

  header::after {
    height: 24px;
  }

  .logo-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 14px;
  }
  
  .profbt {
    font-size: 1.35rem;
  }
  
  .header-title {
    font-size: 0.8125rem;
  }

  .stats-bar-wrapper {
    padding: 0 var(--space-8);
    margin-top: -4px;
  }

  .stats-bar {
    padding: var(--space-2) var(--space-3);
    gap: var(--space-2);
    max-width: 300px;
  }

  .stat-value {
    font-size: 0.9375rem;
  }

  .stat-label {
    font-size: 0.5rem;
  }

  .stat-divider {
    height: 20px;
  }
  
  .category-title {
    font-size: 1rem;
    padding: var(--space-3) var(--space-4);
  }
  
  .resource-card {
    padding: var(--space-3);
  }
  
  .card-logo {
    width: 40px;
    height: 40px;
  }
}

/* ============== UTILITIES ============== */
.loading-skeleton {
  background: linear-gradient(90deg, var(--bg-tertiary) 25%, var(--bg-secondary) 50%, var(--bg-tertiary) 75%);
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--radius-xl);
}

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

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

[data-theme="dark"] .resource-card {
  background: rgba(14, 14, 22, 0.8);
  border: 1px solid rgba(96, 165, 250, 0.08);
  border-left: 2px solid rgba(59, 130, 246, 0.2);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.5), 0 0 40px rgba(59, 130, 246, 0.03);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .resource-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.3), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

[data-theme="dark"] .resource-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(400px circle at var(--mouse-x, 50%) var(--mouse-y, 50%), rgba(59, 130, 246, 0.08), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

[data-theme="dark"] .resource-card:hover::before,
[data-theme="dark"] .resource-card:hover::after {
  opacity: 1;
}

[data-theme="dark"] .resource-card:hover {
  background: rgba(18, 18, 30, 0.9);
  border-color: rgba(96, 165, 250, 0.25);
  border-left: 2px solid rgba(59, 130, 246, 0.5);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.7), 0 0 80px rgba(59, 130, 246, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .resource-card:hover {
  background: rgba(18, 18, 30, 0.9);
  border-color: rgba(96, 165, 250, 0.25);
  border-left: 2px solid rgba(59, 130, 246, 0.5);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.7), 0 0 80px rgba(59, 130, 246, 0.08), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .resource-card:hover {
  border-color: rgba(96, 165, 250, 0.3);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6),
              0 4px 16px rgba(0, 0, 0, 0.4),
              0 0 40px rgba(59, 130, 246, 0.1);
}

[data-theme="dark"] .card-logo {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
}

[data-theme="dark"] .category-title {
  background: rgba(10, 10, 18, 0.7);
  backdrop-filter: blur(12px);
  border-color: rgba(96, 165, 250, 0.12);
  border-left: 3px solid rgba(59, 130, 246, 0.5);
  color: #e8eaf0;
}

/* ============== SERVICE WORKER UPDATE PROMPT ============== */
.sw-update-prompt {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 10000;
  background: linear-gradient(135deg, #1a365d, #0d9488);
  color: white;
  padding: 16px 20px;
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.875rem;
  font-weight: 500;
  animation: slideUp 0.3s ease-out;
}

.sw-update-prompt .btn-update {
  background: white;
  color: #1a365d;
  border: none;
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
}

.sw-update-prompt .btn-update:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: scale(1.05);
}

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

[data-theme="dark"] .resource-card:hover .card-title {
  color: #60a5fa;
}

/* SVG logos do Simple Icons - ficam brancos no dark mode */
[data-theme="dark"] .card-logo[src*="simple-icons"],
[data-theme="dark"] .card-logo[src*="notebooklm"],
[data-theme="dark"] .card-logo[src*="openrouter"],
[data-theme="dark"] .card-logo[src*="opencode-logo"],
[data-theme="dark"] .card-logo[src*="fontawesome"],
[data-theme="dark"] .card-logo[src*="netlify"],
[data-theme="dark"] .card-logo[src*="visualstudiocode"],
[data-theme="dark"] .card-logo[src*="neon"],
[data-theme="dark"] .card-logo[src*="datadog"],
[data-theme="dark"] .card-logo[src*="lovable.dev"],
[data-theme="dark"] .card-logo[src*="stackblitz"] {
  filter: brightness(0) invert(1);
}

/* Heroicons - logo PNG já funciona nos dois temas */
[data-theme="dark"] .card-logo[src*="encrypted-tbn0"] {
  filter: none;
}

[data-theme="dark"] header {
  background: linear-gradient(120deg, #0c1220, #0a1628, #0d1f2d, #0c1220);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6),
              0 4px 16px rgba(0, 0, 0, 0.4),
              0 0 60px rgba(59, 130, 246, 0.08);
  border-bottom-color: rgba(96, 165, 250, 0.15);
}

[data-theme="dark"] footer {
  box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.6),
              0 -4px 16px rgba(0, 0, 0, 0.4),
              0 0 40px rgba(20, 184, 166, 0.05);
  border-top-color: rgba(96, 165, 250, 0.1);
}

[data-theme="dark"] .category-title {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4),
              0 2px 8px rgba(0, 0, 0, 0.3);
}