/* ========================================
   AI SQP GENERATOR - SHARED STYLES
   Consistent UI across all pages
   ======================================== */

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

:root {
  /* Color System */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
  --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
  --warning-gradient: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
  --danger-gradient: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
  
  --color-primary-start: #667eea;
  --color-primary-end: #764ba2;
  --color-accent-start: #4facfe;
  --color-accent-end: #00f2fe;
  --color-bg-dark: #0a0a23;
  --color-bg-darker: #000000;
  --color-text-primary: #ffffff;
  --color-text-secondary: #e2e8f0;
  --color-text-muted: #94a3b8;
  
  /* Typography */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Monaco', 'Cascadia Code', monospace;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 30px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.2);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.3);
  --shadow-2xl: 0 25px 50px rgba(0, 0, 0, 0.4);
  
  /* Glass Morphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-backdrop: blur(20px);
}

/* ========================================
   BASE STYLES
   ======================================== */

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

html {
  background: radial-gradient(ellipse at center, #0a0a23 0%, #000000 70%, #000000 100%) !important;
  background-color: #000000 !important;
}

body {
  font-family: var(--font-primary) !important;
  background: radial-gradient(ellipse at center, var(--color-bg-dark) 0%, var(--color-bg-darker) 70%, var(--color-bg-darker) 100%) !important;
  background-color: var(--color-bg-darker) !important;
  color: var(--color-text-primary) !important;
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ========================================
   ANIMATED STARFIELD BACKGROUND
   ======================================== */

.star-field {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -10;
  pointer-events: none;
  background: transparent;
}

.star-field .star {
  position: absolute;
  width: 2px;
  height: 2px;
  background: white;
  border-radius: 50%;
  animation: twinkle 3s ease-in-out infinite;
}

.star.small {
  width: 1px;
  height: 1px;
  opacity: 0.6;
}

.star.medium {
  width: 2px;
  height: 2px;
  opacity: 0.8;
  box-shadow: 0 0 4px rgba(255, 255, 255, 0.6);
}

.star.large {
  width: 3px;
  height: 3px;
  opacity: 1;
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

@keyframes twinkle {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.2); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.1); }
}

/* ========================================
   GLASS NAVIGATION
   ======================================== */

.glass-nav {
  backdrop-filter: var(--glass-backdrop);
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid var(--glass-border);
  transition: all var(--transition-normal);
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  position: relative;
}

.glass-nav:hover {
  background: rgba(0, 0, 0, 0.4);
  border-bottom-color: rgba(102, 126, 234, 0.4);
}

.nav-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.brand-text {
  display: flex;
  align-items: center;
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: 800;
  font-size: 1.4rem;
  text-shadow: 0 0 20px rgba(102, 126, 234, 0.5);
  transition: all var(--transition-normal);
}

.brand-text:hover {
  color: var(--color-text-primary);
  text-shadow: 0 0 30px rgba(102, 126, 234, 0.8);
}

.brand-name {
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--color-text-primary);
}

.brand-icon {
  position: relative;
  margin-right: 1rem;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 50%, #4facfe 100%);
  border-radius: 50%;
  box-shadow: 0 0 30px rgba(102, 126, 234, 0.6);
  transition: all var(--transition-normal);
}

.brand-icon:hover {
  box-shadow: 0 0 40px rgba(102, 126, 234, 0.9);
  transform: rotate(360deg) scale(1.1);
}

.brand-icon i {
  font-size: 1.5rem;
  color: white;
  z-index: 2;
}

.ai-pulse {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 120%;
  height: 120%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(102, 126, 234, 0.6), transparent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.7; }
  50% { transform: translate(-50%, -50%) scale(1.3); opacity: 0.3; }
}

/* ========================================
   BUTTONS
   ======================================== */

.btn-modern {
  padding: 12px 28px;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  position: relative;
  overflow: hidden;
}

.btn-primary-modern {
  background: var(--primary-gradient);
  color: white;
  box-shadow: 0 4px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary-modern:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(102, 126, 234, 0.6);
  color: white;
}

.btn-accent-modern {
  background: var(--accent-gradient);
  color: white;
  box-shadow: 0 4px 20px rgba(79, 172, 254, 0.4);
}

.btn-accent-modern:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(79, 172, 254, 0.6);
  color: white;
}

.btn-glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  color: var(--color-text-secondary);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(102, 126, 234, 0.3);
  color: var(--color-text-primary);
}

.btn-nav-secondary {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: var(--color-text-secondary);
  padding: 0.6rem 1.2rem;
  border-radius: 50px;
  font-weight: 500;
  font-size: 0.95rem;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.btn-nav-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--color-text-primary);
  transform: translateY(-1px);
}

.btn-nav-primary {
  position: relative;
  background: var(--primary-gradient);
  border: none;
  color: white;
  padding: 0.75rem 2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.95rem;
  overflow: hidden;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  cursor: pointer;
}

.btn-nav-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(102, 126, 234, 0.4);
  color: white;
}

.btn-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: left 0.6s ease;
}

.btn-nav-primary:hover .btn-shine {
  left: 100%;
}

.btn-text {
  position: relative;
  z-index: 1;
}

/* ========================================
   UTILITIES
   ======================================== */

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-backdrop);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-xl);
  transition: all var(--transition-normal);
}

.glass-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(102, 126, 234, 0.3);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.glass-card-header {
  margin-bottom: var(--space-md);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--glass-border);
}

.glass-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: 0;
}

/* ========================================
   GRADIENT TEXT
   ======================================== */

.gradient-text {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.gradient-text-primary {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ========================================
   FORM CONTROLS
   ======================================== */

.form-control-modern {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  padding: 12px 16px;
  font-family: var(--font-primary);
  font-size: 0.95rem;
  transition: all var(--transition-normal);
}

.form-control-modern:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(102, 126, 234, 0.5);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

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

.form-label-modern {
  color: var(--color-text-secondary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
  display: block;
}

.form-select-modern {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  padding: 12px 16px;
  font-family: var(--font-primary);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.form-select-modern:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(102, 126, 234, 0.5);
}

.form-select-modern option {
  background: #1e293b;
  color: var(--color-text-primary);
}

/* ========================================
   STATISTICS CARDS
   ======================================== */

.stat-card-modern {
  background: linear-gradient(135deg, rgba(79, 172, 254, 0.1), rgba(102, 126, 234, 0.1));
  border: 1px solid rgba(79, 172, 254, 0.3);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  text-align: center;
  backdrop-filter: var(--glass-backdrop);
  transition: all var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.stat-card-modern::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left var(--transition-slow);
}

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

.stat-card-modern:hover {
  transform: translateY(-5px);
  box-shadow: 0 15px 40px rgba(79, 172, 254, 0.3);
}

.stat-number-modern {
  font-size: 2.5rem;
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 0 0 20px rgba(79, 172, 254, 0.5);
  margin-bottom: 0.5rem;
}

.stat-label-modern {
  color: var(--color-text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
}

/* ========================================
   UTILITIES
   ======================================== */

.text-glow {
  text-shadow: 0 0 20px currentColor;
}

.container-modern {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

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

/* ========================================
   ANIMATIONS
   ======================================== */

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

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in {
  animation: fadeIn 0.6s ease-out;
}

.animate-slide-in {
  animation: slideInRight 0.6s ease-out;
}

.animate-scale-in {
  animation: scaleIn 0.4s ease-out;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
  .brand-text {
    font-size: 1.2rem;
  }
  
  .brand-icon {
    width: 38px;
    height: 38px;
  }
  
  .glass-card {
    padding: var(--space-md);
  }
  
  .btn-modern {
    padding: 10px 20px;
    font-size: 0.9rem;
  }
}

@media (max-width: 480px) {
  .brand-text {
    font-size: 1rem;
  }
  
  .brand-icon {
    width: 32px;
    height: 32px;
    margin-right: 0.5rem;
  }
}