/* Shared styles for SAMO-DL website */
:root {
  /* Sophisticated dark gradient color palette */
  --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 50%, #a855f7 100%);
  --secondary-gradient: linear-gradient(135deg, #1e1b4b 0%, #312e81 50%, #3730a3 100%);
  --dark-gradient: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
  --accent-gradient: linear-gradient(135deg, #7c3aed 0%, #9333ea 50%, #c084fc 100%);

  --primary-color: #8b5cf6;
  --secondary-color: #a855f7;
  --accent-color: #c084fc;
  --dark-color: #0f0f23;
  --darker-color: #0a0a1a;
  --light-accent: #e9d5ff;
  --glass-bg: rgba(139, 92, 246, 0.1);
  --glass-border: rgba(139, 92, 246, 0.2);

  /* Performance and animation settings */
  --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --shadow-glow: 0 10px 40px rgba(139, 92, 246, 0.3);
  --shadow-glass: 0 8px 32px rgba(0, 0, 0, 0.3);

  /* Additional semantic colors for alerts, badges, and status indicators */
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --danger-color: #ef4444;
  --light-color: #f9fafb;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: #e2e8f0;
  background: var(--dark-gradient);
  background-attachment: fixed;
  min-height: 100vh;
}

/* Removed universal transition for better performance */
.card, .btn, .nav-link, .badge, .form-control, .feature-card, .hero-card {
  transition: var(--transition-smooth);
}

.navbar {
  background: rgba(15, 15, 35, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
}

.footer {
  background: var(--dark-gradient);
  color: #f1f5f9;
  padding: 80px 0 40px;
  border-top: 1px solid var(--glass-border);
}


/* Button enhancements */
.btn-primary {
  background: var(--primary-gradient);
  border: none;
  border-radius: 12px;
  padding: 12px 30px;
  font-weight: 600;
  transition: var(--transition-bounce);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 15px 50px rgba(139, 92, 246, 0.4);
}

/* Card and component styling */
.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--shadow-glass);
  transition: var(--transition-bounce);
  height: 100%;
  color: inherit;
  padding: 30px;
  text-align: center;
}

.feature-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-glow);
}

/* Loading states and UX improvements */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.status-indicator {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 8px;
}

.status-indicator.online {
  background-color: var(--success-color);
  box-shadow: 0 0 6px var(--success-color);
}

.status-indicator.offline {
  background-color: var(--danger-color);
  box-shadow: 0 0 6px var(--danger-color);
}

/* Common component styles */
.navbar-brand, .navbar .nav-link {
  color: #e2e8f0;
}

.footer {
  background: var(--dark-gradient);
  color: #e2e8f0;
  padding: 80px 0 40px;
  border-top: 1px solid var(--glass-border);
}

/* Hero sections */
.hero-section {
  background: var(--dark-gradient);
  color: white;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    radial-gradient(circle at 20% 50%, rgba(139, 92, 246, 0.3) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.2) 0%, transparent 50%),
    radial-gradient(circle at 40% 80%, rgba(192, 132, 252, 0.2) 0%, transparent 50%);
  animation: float 6s ease-in-out infinite;
}

.hero-content {
  position: relative;
  z-index: 2;
}

/* Feature cards */
.feature-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--shadow-glass);
  transition: var(--transition-bounce);
  height: 100%;
  color: #e2e8f0;
}

.feature-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-glow);
  border-color: var(--primary-color);
}

.feature-card.active {
  background: var(--primary-gradient);
  border-color: var(--accent-color);
  color: white;
  transform: translateY(-5px) scale(1.05);
  box-shadow: var(--shadow-glow);
}

.feature-card.border-success {
  border-color: rgba(16, 185, 129, 0.5);
}

.feature-card.border-success:hover {
  border-color: #10b981;
  box-shadow: 0 10px 40px rgba(16, 185, 129, 0.3);
}

/* Glass card variant */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--shadow-glass);
}

/* Stats cards */
.stats-card {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  color: #e2e8f0;
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-glass);
}

.stats-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.stats-card h3 {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Integration cards */
.integration-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 40px;
  box-shadow: var(--shadow-glass);
  margin-bottom: 30px;
  color: #e2e8f0;
  transition: var(--transition-smooth);
}

.integration-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

/* Code blocks */
.code-block {
  background: var(--darker-color);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  padding: 25px;
  font-family: 'Fira Code', monospace;
  font-size: 14px;
  overflow-x: auto;
  color: #e2e8f0;
}

/* Buttons */
.btn-primary {
  background: var(--primary-gradient);
  border: none;
  border-radius: 12px;
  padding: 12px 30px;
  font-weight: 600;
  transition: var(--transition-bounce);
  box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
  transform: translateY(-2px) scale(1.05);
  box-shadow: 0 15px 50px rgba(139, 92, 246, 0.4);
}

.btn-outline-light {
  border: 2px solid rgba(226, 232, 240, 0.5);
  color: #e2e8f0;
  border-radius: 12px;
  padding: 10px 28px;
  font-weight: 600;
  transition: var(--transition-smooth);
}

.btn-outline-light:hover {
  background: rgba(226, 232, 240, 0.1);
  border-color: #e2e8f0;
  color: #e2e8f0;
  transform: translateY(-2px);
}

.btn-light {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: white;
  border-radius: 12px;
  padding: 12px 30px;
  font-weight: 600;
  transition: var(--transition-bounce);
}

.btn-light:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.3);
  color: white;
  transform: translateY(-2px) scale(1.05);
}

/* Form controls */
.form-control {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  color: #e2e8f0;
  padding: 12px 16px;
}

.form-control:focus {
  background: var(--glass-bg);
  border-color: var(--primary-color);
  box-shadow: 0 0 20px rgba(139, 92, 246, 0.3);
  color: #e2e8f0;
}

.form-control::placeholder {
  color: #94a3b8;
}

/* Cards and badges */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--shadow-glass);
  color: #e2e8f0;
}

.badge {
  background: var(--primary-gradient);
  color: white;
  border-radius: 20px;
  padding: 8px 12px;
  font-weight: 600;
}

.badge.bg-success {
  background: linear-gradient(135deg, #10b981, #34d399);
}

/* Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(1deg); }
  66% { transform: translateY(-10px) rotate(-1deg); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Demo section */
.demo-section {
  background: rgba(0, 0, 0, 0.2);
  padding: 100px 0;
}

/* Progress bars */
.progress {
  background: rgba(139, 92, 246, 0.2);
  border-radius: 10px;
  height: 8px;
}

.progress-bar {
  background: var(--primary-gradient);
  border-radius: 10px;
}

/* Animations */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  33% { transform: translateY(-20px) rotate(1deg); }
  66% { transform: translateY(-10px) rotate(-1deg); }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(40px) scale(0.95);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Alert messages */
.alert {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  color: #e2e8f0;
}

/* Background utilities */
.bg-light {
  background: rgba(0, 0, 0, 0.2);
}

.bg-primary {
  background: var(--primary-gradient);
}

/* Demo components */
.demo-container {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: 30px;
  box-shadow: var(--shadow-glass);
  padding: 50px;
  margin: -80px 0 50px 0;
  position: relative;
  z-index: 10;
  color: #e2e8f0;
}

.demo-tab {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  padding: 15px 25px;
  margin: 5px;
  transition: var(--transition-bounce);
  font-weight: 500;
  color: #e2e8f0;
}

.demo-tab.active {
  background: var(--primary-gradient);
  color: white;
  transform: scale(1.05);
  box-shadow: var(--shadow-glow);
}

.demo-tab:hover {
  background: var(--accent-gradient);
  color: white;
  transform: scale(1.02);
}

.result-card {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: 15px;
  padding: 25px;
  margin: 20px 0;
  border-left: 4px solid var(--primary-color);
  color: #e2e8f0;
}

.emotional-context-card {
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.2);
}

.emotional-context-card .badge {
  background: var(--primary-gradient);
}

.loading-spinner {
  display: none;
  text-align: center;
  padding: 30px;
  color: #e2e8f0;
}

.loading-spinner.show {
  display: block;
}

.spinner-border {
  width: 3rem;
  height: 3rem;
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 1s ease-in-out infinite;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 25px;
  margin: 30px 0;
}

.metric-card {
  background: var(--glass-bg);
  backdrop-filter: blur(15px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 30px;
  text-align: center;
  box-shadow: var(--shadow-glass);
  transition: var(--transition-smooth);
  color: #e2e8f0;
}

.metric-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-glow);
}

.metric-value {
  font-size: 2.5rem;
  font-weight: bold;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.metric-label {
  color: #cbd5e1;
  font-size: 0.9rem;
  margin-top: 10px;
}

/* Links */
a {
  color: var(--accent-color);
  text-decoration: none;
}

a:hover {
  color: var(--primary-color);
  text-decoration: none;
}

/* Enhanced form styling */
.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(99, 102, 241, 0.25);
}

/* Responsive improvements */
@media (max-width: 768px) {
  body {
    font-size: 16px;
    line-height: 1.6;
  }

  .feature-card {
    padding: 20px;
  }

  .hero-section {
    padding: 80px 0;
  }

  .integration-card {
    padding: 25px;
    margin-bottom: 20px;
  }

  .feature-icon {
    width: 60px;
    height: 60px;
    font-size: 24px;
    margin-bottom: 20px;
  }
}