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

:root {
  /* Vibrant Deep Dark Theme */
  --bg-primary: #06060c;
  --bg-secondary: #0d0d16;
  --bg-card: rgba(18, 18, 28, 0.65);
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  
  /* Electric Accents */
  --accent-primary: #8b5cf6; /* Vibrant Violet */
  --accent-primary-hover: #a78bfa;
  --accent-secondary: #06b6d4; /* Electric Cyan */
  --accent-tertiary: #f43f5e; /* Neon Pink */
  
  --border-color: rgba(255, 255, 255, 0.08);
  --border-highlight: rgba(139, 92, 246, 0.4);
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.4), 0 10px 10px -5px rgba(0, 0, 0, 0.2);
  --shadow-neon: 0 0 25px rgba(139, 92, 246, 0.4);
  --shadow-neon-cyan: 0 0 25px rgba(6, 182, 212, 0.4);

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.34, 1.56, 0.64, 1); /* Bouncy */
}

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

html, body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  /* Modern Mesh Gradient Background */
  background-image: 
    radial-gradient(circle at 15% 50%, rgba(139, 92, 246, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(6, 182, 212, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 50% 100%, rgba(244, 63, 94, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

h1 { 
  font-size: 3rem; 
  letter-spacing: -0.03em; 
  background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
h2 { font-size: 2.25rem; letter-spacing: -0.025em; }
h3 { font-size: 1.5rem; }

p {
  color: var(--text-secondary);
  margin-bottom: 1.25rem;
  font-size: 1.1rem;
  line-height: 1.7;
}

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

a:hover {
  color: #fff;
  text-shadow: 0 0 8px rgba(6, 182, 212, 0.6);
}

/* Base Layout & Utilities */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.main-content {
  min-height: calc(100vh - 160px);
  padding: 4rem 0;
}

/* Premium Card (Glassmorphism + Glow) */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--border-highlight), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  transform: translateY(-5px) scale(1.01);
  border-color: var(--border-highlight);
  box-shadow: var(--shadow-neon);
}

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

/* Forms & Inputs */
.input-group {
  margin-bottom: 1.5rem;
}

.input-label {
  display: block;
  font-size: 0.95rem;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: #e5e7eb;
}

.input-field {
  width: 100%;
  padding: 0.875rem 1.25rem;
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: #fff;
  font-family: inherit;
  font-size: 1.05rem;
  transition: all var(--transition-fast);
  outline: none;
}

.input-field:focus {
  border-color: var(--accent-secondary);
  background-color: rgba(6, 182, 212, 0.05);
  box-shadow: 0 0 0 4px rgba(6, 182, 212, 0.15);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: 1.05rem;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  outline: none;
  gap: 0.5rem;
  letter-spacing: 0.02em;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-primary), #6d28d9);
  color: #fff;
  box-shadow: 0 4px 15px rgba(139, 92, 246, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--accent-primary-hover), var(--accent-primary));
  transform: translateY(-2px);
  box-shadow: var(--shadow-neon);
}

.btn-primary:active {
  transform: translateY(1px);
}

/* Grid Layouts */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 2rem;
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(20px); filter: blur(4px); }
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

.animate-fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.2, 0.8, 0.2, 1) forwards;
}

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

/* Utility classes */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.flex { display: flex; }
.flex-col { display: flex; flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.gap-2 { gap: 0.5rem; }
.gap-4 { gap: 1rem; }

/* Content sections */
.content-section {
  max-width: 850px;
  margin: 4rem auto;
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  padding: 3rem;
  border-radius: var(--radius-xl);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-lg);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: #374151;
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--accent-primary);
}