/* THCode - Main Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a25;
  --bg-card: rgba(20, 20, 30, 0.8);

  --green: #00ff88;
  --green-dim: rgba(0, 255, 136, 0.1);
  --green-glow: rgba(0, 255, 136, 0.5);

  --blue: #0a84ff;
  --blue-dim: rgba(10, 132, 255, 0.1);

  --purple: #bf5af2;
  --orange: #ff9f0a;
  --red: #ff453a;
  --yellow: #ffd60a;

  --text-primary: #ffffff;
  --text-secondary: #a0a0b0;
  --text-muted: #606070;

  --border: rgba(255, 255, 255, 0.1);
  --border-hover: rgba(0, 255, 136, 0.3);

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* 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 30px var(--green-glow);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

::-webkit-scrollbar-thumb {
  background: var(--text-muted);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-secondary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 700;
  line-height: 1.2;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

code, pre, .mono {
  font-family: 'JetBrains Mono', monospace;
}

a {
  color: var(--green);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  text-shadow: 0 0 10px var(--green-glow);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  outline: none;
}

.btn-primary {
  background: var(--green);
  color: #000;
  box-shadow: 0 4px 20px var(--green-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px var(--green-glow);
}

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

.btn-secondary:hover {
  border-color: var(--green);
  color: var(--green);
}

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

.btn-ghost:hover {
  color: var(--green);
}

/* Cards */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Forms */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-family: 'JetBrains Mono', monospace;
}

.form-input {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--bg-tertiary);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px var(--green-dim);
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-md) var(--spacing-xl);
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo-icon {
  width: 40px;
  height: 40px;
}

.nav-logo span {
  color: var(--green);
}

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

.nav-link {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--green);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px var(--spacing-xl) var(--spacing-2xl);
  position: relative;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 20% 50%, var(--green-dim) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 50%, var(--blue-dim) 0%, transparent 50%);
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--green-dim);
  border: 1px solid var(--green);
  border-radius: 100px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem;
  color: var(--green);
  margin-bottom: var(--spacing-xl);
}

.hero-title {
  font-size: 4rem;
  margin-bottom: var(--spacing-lg);
  background: linear-gradient(135deg, var(--text-primary) 0%, var(--green) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-2xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-2xl);
}

.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2xl);
}

.hero-stat {
  text-align: center;
}

.hero-stat-value {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2rem;
  font-weight: 700;
  color: var(--green);
}

.hero-stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Features Section */
.features {
  padding: var(--spacing-2xl) * 2 var(--spacing-xl);
  background: var(--bg-secondary);
}

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

.section-title {
  margin-bottom: var(--spacing-md);
}

.section-subtitle {
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.feature-card {
  padding: var(--spacing-xl);
}

.feature-icon {
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-dim);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-lg);
  font-size: 1.5rem;
}

.feature-title {
  margin-bottom: var(--spacing-sm);
}

.feature-desc {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Classes Section */
.classes {
  padding: 100px var(--spacing-xl);
}

.classes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-xl);
  max-width: 1200px;
  margin: 0 auto;
}

.class-card {
  text-align: center;
  padding: var(--spacing-2xl);
  position: relative;
  overflow: hidden;
}

.class-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--class-color, var(--green));
}

.class-avatar {
  width: 100px;
  height: 100px;
  margin: 0 auto var(--spacing-lg);
  border-radius: 50%;
  background: var(--bg-tertiary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  border: 3px solid var(--class-color, var(--green));
}

.class-name {
  margin-bottom: var(--spacing-sm);
  color: var(--class-color, var(--green));
}

.class-specialty {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-md);
}

.class-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

.class-stat {
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--bg-tertiary);
  border-radius: var(--radius-sm);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* Footer */
.footer {
  padding: var(--spacing-2xl) var(--spacing-xl);
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-content {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo {
  font-family: 'JetBrains Mono', monospace;
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.footer-logo span {
  color: var(--green);
}

.footer-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Particles Background */
#particles-js {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
}

/* Loading Animation */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
}

.loading-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
  border-radius: 50%;
  animation: loadingPulse 1.4s infinite ease-in-out both;
}

.loading-dot:nth-child(1) { animation-delay: -0.32s; }
.loading-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes loadingPulse {
  0%, 80%, 100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* Glitch Effect */
.glitch {
  position: relative;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  left: 2px;
  text-shadow: -2px 0 var(--red);
  clip: rect(44px, 450px, 56px, 0);
  animation: glitch-anim 5s infinite linear alternate-reverse;
}

.glitch::after {
  left: -2px;
  text-shadow: -2px 0 var(--blue);
  clip: rect(44px, 450px, 56px, 0);
  animation: glitch-anim2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
  0% { clip: rect(31px, 9999px, 94px, 0); }
  5% { clip: rect(70px, 9999px, 71px, 0); }
  10% { clip: rect(29px, 9999px, 24px, 0); }
  15% { clip: rect(69px, 9999px, 64px, 0); }
  20% { clip: rect(14px, 9999px, 1px, 0); }
  25% { clip: rect(22px, 9999px, 34px, 0); }
  30% { clip: rect(85px, 9999px, 59px, 0); }
  35% { clip: rect(63px, 9999px, 98px, 0); }
  40% { clip: rect(99px, 9999px, 44px, 0); }
  45% { clip: rect(73px, 9999px, 48px, 0); }
  50% { clip: rect(10px, 9999px, 98px, 0); }
  55% { clip: rect(47px, 9999px, 50px, 0); }
  60% { clip: rect(35px, 9999px, 80px, 0); }
  65% { clip: rect(22px, 9999px, 63px, 0); }
  70% { clip: rect(83px, 9999px, 15px, 0); }
  75% { clip: rect(37px, 9999px, 99px, 0); }
  80% { clip: rect(6px, 9999px, 50px, 0); }
  85% { clip: rect(54px, 9999px, 91px, 0); }
  90% { clip: rect(38px, 9999px, 84px, 0); }
  95% { clip: rect(18px, 9999px, 26px, 0); }
  100% { clip: rect(95px, 9999px, 33px, 0); }
}

@keyframes glitch-anim2 {
  0% { clip: rect(65px, 9999px, 100px, 0); }
  5% { clip: rect(52px, 9999px, 74px, 0); }
  10% { clip: rect(79px, 9999px, 85px, 0); }
  15% { clip: rect(75px, 9999px, 5px, 0); }
  20% { clip: rect(67px, 9999px, 61px, 0); }
  25% { clip: rect(14px, 9999px, 79px, 0); }
  30% { clip: rect(1px, 9999px, 66px, 0); }
  35% { clip: rect(86px, 9999px, 30px, 0); }
  40% { clip: rect(23px, 9999px, 98px, 0); }
  45% { clip: rect(85px, 9999px, 72px, 0); }
  50% { clip: rect(71px, 9999px, 75px, 0); }
  55% { clip: rect(2px, 9999px, 48px, 0); }
  60% { clip: rect(30px, 9999px, 16px, 0); }
  65% { clip: rect(59px, 9999px, 50px, 0); }
  70% { clip: rect(41px, 9999px, 62px, 0); }
  75% { clip: rect(2px, 9999px, 82px, 0); }
  80% { clip: rect(47px, 9999px, 73px, 0); }
  85% { clip: rect(3px, 9999px, 27px, 0); }
  90% { clip: rect(26px, 9999px, 55px, 0); }
  95% { clip: rect(42px, 9999px, 97px, 0); }
  100% { clip: rect(38px, 9999px, 49px, 0); }
}

/* Responsive */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .nav-links {
    display: none;
  }

  .hero-stats {
    flex-wrap: wrap;
  }

  .hero-actions {
    flex-direction: column;
  }
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  top: 80px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 16px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideIn 0.3s ease;
  min-width: 300px;
}

.toast.success { border-left: 4px solid var(--green); }
.toast.error { border-left: 4px solid var(--red); }
.toast.warning { border-left: 4px solid var(--orange); }
.toast.info { border-left: 4px solid var(--blue); }

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