/* GraphChain Explorer - Core Styles */
/* KNIRVGATEWAY Color Scheme Integration */

:root {
  /* Primary Colors from KNIRVGATEWAY */
  --primary-blue: #2563eb;
  --primary-purple: #7c3aed;
  --theme-blue: #1940b0;
  --theme-purple: #122272;
  --accent-blue: #16a3fe;
  --accent-green: #23c99d;
  
  /* Status Colors */
  --success-green: #059669;
  --warning-orange: #d97706;
  --error-red: #dc2626;
  
  /* Neutral Colors */
  --gray-50: #f9fafb;
  --gray-100: #f3f4f6;
  --gray-200: #e5e7eb;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6b7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;
  
  /* Glass Morphism */
  --glass-bg: rgba(31, 41, 55, 0.5);
  --glass-border: rgba(75, 85, 99, 0.3);
  --glass-hover-border: rgba(75, 85, 99, 0.5);
  
  /* Gradients */
  --gradient-primary: linear-gradient(90deg, var(--accent-blue) 0%, var(--accent-green) 100%);
  --gradient-theme: linear-gradient(90deg, var(--theme-purple) 0%, var(--theme-blue) 100%);
  --gradient-purple: linear-gradient(135deg, var(--primary-purple) 0%, var(--theme-blue) 100%);
}

/* Base Layout */
.graphchain-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

/* Hero Section */
.section-hero {
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-status {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
}

.status-dot {
  width: 8px;
  height: 8px;
  background: var(--success-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

/* Stats Cards */
.stats-card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  transition: all 0.3s ease;
  height: 100%;
}

.stats-card:hover {
  transform: translateY(-2px);
  border-color: var(--glass-hover-border);
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.stats-card-blue { border-left: 4px solid var(--primary-blue); }
.stats-card-green { border-left: 4px solid var(--success-green); }
.stats-card-orange { border-left: 4px solid var(--warning-orange); }
.stats-card-purple { border-left: 4px solid var(--primary-purple); }

.stats-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 1.5rem;
}

.stats-card-blue .stats-icon {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-blue);
}

.stats-card-green .stats-icon {
  background: rgba(5, 150, 105, 0.1);
  color: var(--success-green);
}

.stats-card-orange .stats-icon {
  background: rgba(217, 119, 6, 0.1);
  color: var(--warning-orange);
}

.stats-card-purple .stats-icon {
  background: rgba(124, 58, 237, 0.1);
  color: var(--primary-purple);
}

.stats-content {
  flex: 1;
}

.stats-value {
  font-size: 2rem;
  font-weight: 700;
  color: #fff;
  line-height: 1;
  margin-bottom: 0.25rem;
}

.stats-label {
  font-size: 0.875rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Cards */
.card {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  overflow: hidden;
}

.card-inner {
  padding: 1.5rem;
}

.card-title-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.card-title h6 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 600;
  color: #fff;
}

.card-title .icon {
  color: var(--accent-blue);
}

.card-tools .link {
  color: var(--accent-blue);
  text-decoration: none;
  font-size: 0.875rem;
  display: flex;
  align-items: center;
  gap: 0.25rem;
  transition: color 0.2s ease;
}

.card-tools .link:hover {
  color: var(--accent-green);
}

/* Action Cards */
.action-card {
  display: block;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: 12px;
  padding: 1.5rem;
  text-decoration: none;
  color: inherit;
  transition: all 0.3s ease;
  height: 100%;
  position: relative;
  overflow: hidden;
}

.action-card:hover {
  transform: translateY(-4px);
  border-color: var(--glass-hover-border);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
  text-decoration: none;
  color: inherit;
}

.action-card-blue:hover { border-color: var(--primary-blue); }
.action-card-orange:hover { border-color: var(--warning-orange); }
.action-card-purple:hover { border-color: var(--primary-purple); }

.action-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.action-card-blue .action-icon {
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary-blue);
}

.action-card-orange .action-icon {
  background: rgba(217, 119, 6, 0.1);
  color: var(--warning-orange);
}

.action-card-purple .action-icon {
  background: rgba(124, 58, 237, 0.1);
  color: var(--primary-purple);
}

.action-content h6 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: #fff;
}

.action-content p {
  font-size: 0.875rem;
  color: var(--gray-400);
  margin-bottom: 1rem;
  line-height: 1.5;
}

.action-arrow {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  font-size: 1.25rem;
  transition: transform 0.3s ease;
}

.action-card:hover .action-arrow {
  transform: translateX(4px);
}

.action-card-blue .action-arrow { color: var(--primary-blue); }
.action-card-orange .action-arrow { color: var(--warning-orange); }
.action-card-purple .action-arrow { color: var(--primary-purple); }

/* Loading States */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 4px solid rgba(37, 99, 235, 0.3);
  border-top: 4px solid var(--primary-blue);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin-bottom: 1rem;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

.loading-state p {
  color: var(--gray-400);
  font-size: 1rem;
}

/* Error States */
.error-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 2rem;
  text-align: center;
}

.error-icon {
  font-size: 3rem;
  color: var(--error-red);
  margin-bottom: 1rem;
}

.error-state h3 {
  color: #fff;
  margin-bottom: 0.5rem;
}

.error-state p {
  color: var(--gray-400);
  margin-bottom: 1.5rem;
}

/* Header Customizations */
.header-search {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-left: 1rem;
}

.header-search .form-control {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 8px;
  padding: 0.5rem 1rem;
  color: #fff;
  width: 200px;
}

.header-search .form-control::placeholder {
  color: var(--gray-400);
}

.header-search .form-control:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(22, 163, 254, 0.2);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.125rem;
  }
  
  .stats-card {
    margin-bottom: 1rem;
  }
  
  .header-search {
    display: none;
  }
  
  .action-card {
    margin-bottom: 1rem;
  }
}

@media (max-width: 576px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .stats-value {
    font-size: 1.5rem;
  }
  
  .card-inner {
    padding: 1rem;
  }
  
  .action-card {
    padding: 1rem;
  }
}

/* Dark Theme Support */
@media (prefers-color-scheme: dark) {
  body {
    background-color: var(--gray-900);
    color: var(--gray-100);
  }
}

/* Text Gradients */
.text-grad {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Network Animation Placeholder */
.network-animation {
  width: 100%;
  height: 300px;
  background: var(--glass-bg);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gray-400);
  font-size: 0.875rem;
}

.network-animation::before {
  content: "Network Visualization";
}