/* VynAI - Dark/AI/Futuristic Theme */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Space+Grotesk:wght@300;400;500;600;700&family=Roboto+Mono:wght@300;400;500;600&display=swap');

:root {
  /* Color Palette */
  --primary-bg: #0a0a0f;
  --secondary-bg: #1a1a2e;
  --accent-bg: #16213e;
  --surface-bg: #0f1419;
  --glass-bg: rgba(26, 26, 46, 0.8);
  
  /* Neon/Tech Colors */
  --neon-blue: #00d4ff;
  --neon-purple: #8b5cf6;
  --neon-green: #00ff88;
  --neon-pink: #ff0080;
  --electric-blue: #0066ff;
  
  /* Text Colors */
  --text-primary: #ffffff;
  --text-secondary: #b4b4b4;
  --text-muted: #6b7280;
  --text-accent: var(--neon-blue);
  
  /* Status Colors */
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --info: var(--neon-blue);
  
  /* Shadows & Effects */
  --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.3);
  --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
  --shadow-elevated: 0 16px 48px rgba(0, 0, 0, 0.4);
  
  /* Fonts */
  --font-primary: 'Inter', sans-serif;
  --font-display: 'Space Grotesk', sans-serif;
  --font-mono: 'Roboto Mono', monospace;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.25s ease-out;
  --transition-slow: 0.4s ease-out;
}

/* Dark theme preference support */
@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
  }
}

/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background: var(--primary-bg);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background with animated gradient */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: 
    radial-gradient(circle at 20% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 40% 60%, rgba(255, 0, 128, 0.05) 0%, transparent 50%);
  z-index: -1;
  animation: backgroundShift 20s ease-in-out infinite;
}

@keyframes backgroundShift {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.1) rotate(2deg); }
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: 3.5rem;
  background: linear-gradient(135deg, var(--neon-blue), var(--neon-purple));
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

h2 {
  font-size: 2.5rem;
  color: var(--text-primary);
}

h3 {
  font-size: 1.875rem;
  color: var(--text-primary);
}

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

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

a:hover {
  color: var(--neon-purple);
  text-shadow: 0 0 10px currentColor;
}

/* Code and Monospace */
code, pre {
  font-family: var(--font-mono);
  background: var(--accent-bg);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: var(--radius-sm);
}

code {
  padding: var(--space-xs) var(--space-sm);
  font-size: 0.875rem;
}

pre {
  padding: var(--space-md);
  overflow-x: auto;
  margin: var(--space-md) 0;
}

/* Containers and Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}

/* Glass Morphism Cards */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-blue), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
  border-color: rgba(0, 212, 255, 0.3);
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-sm) var(--space-lg);
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-primary);
  font-weight: 500;
  font-size: 0.875rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
  min-height: 44px; /* Accessibility */
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left var(--transition-slow);
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--neon-blue), var(--electric-blue));
  color: white;
  box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 212, 255, 0.4);
}

.btn-secondary {
  background: rgba(139, 92, 246, 0.1);
  color: var(--neon-purple);
  border: 1px solid var(--neon-purple);
}

.btn-secondary:hover {
  background: var(--neon-purple);
  color: white;
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.5);
}

.btn-ghost {
  background: transparent;
  color: var(--text-accent);
  border: 1px solid rgba(0, 212, 255, 0.3);
}

.btn-ghost:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--neon-blue);
  color: var(--neon-blue);
}

.btn-danger {
  background: linear-gradient(135deg, #ef4444, #dc2626);
  color: white;
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(239, 68, 68, 0.4);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

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

.form-label {
  display: block;
  margin-bottom: var(--space-sm);
  font-weight: 500;
  color: var(--text-primary);
}

.form-input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  background: var(--accent-bg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  transition: all var(--transition-normal);
  min-height: 44px; /* Accessibility */
}

.form-input:focus {
  outline: none;
  border-color: var(--neon-blue);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
  background: var(--secondary-bg);
}

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

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding: var(--space-md) 0;
  transition: all var(--transition-normal);
}

.navbar-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.navbar-brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}

.navbar-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  list-style: none;
}

.navbar-nav a {
  color: var(--text-secondary);
  font-weight: 500;
  transition: all var(--transition-normal);
}

.navbar-nav a:hover {
  color: var(--neon-blue);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200%;
  height: 200%;
  background: 
    conic-gradient(from 0deg, transparent, rgba(0, 212, 255, 0.1), transparent),
    conic-gradient(from 180deg, transparent, rgba(139, 92, 246, 0.1), transparent);
  animation: rotate 30s linear infinite;
  transform: translate(-50%, -50%);
  z-index: -1;
}

@keyframes rotate {
  from { transform: translate(-50%, -50%) rotate(0deg); }
  to { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-content {
  max-width: 800px;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: var(--space-lg);
}

.hero p {
  font-size: 1.25rem;
  margin-bottom: var(--space-2xl);
  color: var(--text-secondary);
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-primary { color: var(--text-primary); }
.text-secondary { color: var(--text-secondary); }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--text-accent); }
.text-success { color: var(--success); }
.text-warning { color: var(--warning); }
.text-error { color: var(--error); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.hidden { display: none; }
.visible { display: block; }

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(0, 212, 255, 0.3);
  border-radius: 50%;
  border-top-color: var(--neon-blue);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Status Indicators */
.status-indicator {
  display: inline-flex;
  align-items: center;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-active {
  background: rgba(16, 185, 129, 0.1);
  color: var(--success);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-inactive {
  background: rgba(107, 114, 128, 0.1);
  color: var(--text-muted);
  border: 1px solid rgba(107, 114, 128, 0.3);
}

.status-warning {
  background: rgba(245, 158, 11, 0.1);
  color: var(--warning);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* Alert Messages */
.alert {
  padding: var(--space-md);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  border-left: 4px solid;
}

.alert-success {
  background: rgba(16, 185, 129, 0.1);
  border-color: var(--success);
  color: var(--success);
}

.alert-warning {
  background: rgba(245, 158, 11, 0.1);
  border-color: var(--warning);
  color: var(--warning);
}

.alert-error {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--error);
  color: var(--error);
}

.alert-info {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--info);
  color: var(--info);
}

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --space-md: 0.75rem;
    --space-lg: 1rem;
    --space-xl: 1.5rem;
    --space-2xl: 2rem;
  }
  
  .container {
    padding: 0 var(--space-sm);
  }
  
  .navbar-nav {
    gap: var(--space-md);
  }
  
  .card {
    padding: var(--space-md);
  }
  
  .btn {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.8rem;
  }
  
  h1 {
    font-size: 2.5rem;
  }
  
  h2 {
    font-size: 2rem;
  }
  
  h3 {
    font-size: 1.5rem;
  }
}

@media (max-width: 480px) {
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }
  
  .navbar-content {
    flex-direction: column;
    gap: var(--space-md);
  }
  
  .hero {
    min-height: 80vh;
    padding: var(--space-xl) 0;
  }
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
  }
  
  .navbar,
  .btn,
  .card::before,
  .hero::before {
    display: none;
  }
}