:root {
  --bg-color: #0b0f19;
  --panel-bg: #111827;
  --text-primary: #e5e7eb;
  --text-secondary: #9ca3af;
  --accent-primary: #3b82f6;
  --accent-success: #10b981;
  --accent-warning: #f59e0b;
  --accent-danger: #ef4444;
  --border-color: #1f2937;
  --glow-primary: rgba(59, 130, 246, 0.5);
  --glow-success: rgba(16, 185, 129, 0.5);
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}

/* Navbar */
.navbar {
  background-color: rgba(17, 24, 39, 0.8) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border-color);
}

.navbar-brand {
  font-weight: 700;
  letter-spacing: 1px;
  color: #fff !important;
  display: flex;
  align-items: center;
  gap: 10px;
}

.navbar-brand i {
  color: var(--accent-primary);
  filter: drop-shadow(0 0 5px var(--glow-primary));
}

.nav-link {
  color: var(--text-secondary) !important;
  font-weight: 500;
  transition: all 0.3s ease;
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-primary) !important;
  text-shadow: 0 0 8px var(--glow-primary);
}

/* Cards & Panels */
.card {
  background-color: var(--panel-bg);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.2), 0 4px 6px -2px rgba(0, 0, 0, 0.1);
  border-color: rgba(59, 130, 246, 0.3);
}

.card-header {
  background-color: transparent;
  border-bottom: 1px solid var(--border-color);
  color: #fff;
  font-weight: 600;
}

/* Buttons */
.btn-primary {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  border: none;
  box-shadow: 0 0 10px var(--glow-primary);
  transition: all 0.3s ease;
  font-weight: 600;
}

.btn-primary:hover {
  background: linear-gradient(135deg, #1d4ed8, #2563eb);
  box-shadow: 0 0 15px var(--glow-primary);
  transform: scale(1.02);
}

.btn-outline-primary {
  color: var(--accent-primary);
  border-color: var(--accent-primary);
}

.btn-outline-primary:hover {
  background-color: rgba(59, 130, 246, 0.1);
  color: var(--accent-primary);
  box-shadow: 0 0 10px var(--glow-primary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: #fff;
  font-weight: 600;
}

.text-gradient {
  background: linear-gradient(to right, #60a5fa, #3b82f6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* File Upload Area */
.upload-area {
  border: 2px dashed var(--border-color);
  border-radius: 16px;
  padding: 40px;
  text-align: center;
  transition: all 0.3s ease;
  background-color: rgba(17, 24, 39, 0.5);
  cursor: pointer;
}

.upload-area:hover, .upload-area.dragover {
  border-color: var(--accent-primary);
  background-color: rgba(59, 130, 246, 0.05);
  box-shadow: 0 0 15px rgba(59, 130, 246, 0.2) inset;
}

.upload-icon {
  font-size: 3rem;
  color: var(--text-secondary);
  margin-bottom: 15px;
  transition: color 0.3s ease;
}

.upload-area:hover .upload-icon {
  color: var(--accent-primary);
}

/* Dashboard Stats */
.stat-card {
  padding: 20px;
  border-radius: 12px;
  background: var(--panel-bg);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background-color: var(--accent-primary);
  box-shadow: 0 0 10px var(--accent-primary);
}

.stat-card.success::before {
  background-color: var(--accent-success);
  box-shadow: 0 0 10px var(--accent-success);
}

.stat-card.warning::before {
  background-color: var(--accent-warning);
  box-shadow: 0 0 10px var(--accent-warning);
}

.stat-card.danger::before {
  background-color: var(--accent-danger);
  box-shadow: 0 0 10px var(--accent-danger);
}

.stat-title {
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-value {
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  margin-top: 5px;
}

/* Tables */
.table {
  color: var(--text-primary);
}

.table-dark {
  background-color: transparent;
}

.table-dark th {
  background-color: rgba(17, 24, 39, 0.8);
  border-bottom: 2px solid var(--border-color);
  color: var(--text-secondary);
  font-weight: 600;
}

.table-dark td {
  border-bottom: 1px solid var(--border-color);
  background-color: transparent;
}

.table-hover tbody tr:hover {
  background-color: rgba(59, 130, 246, 0.05);
}

/* Badges */
.badge {
  padding: 5px 10px;
  border-radius: 6px;
  font-weight: 500;
}

/* Terminal / Code output */
.terminal-window {
  background-color: #000;
  border-radius: 8px;
  border: 1px solid #333;
  padding: 15px;
  font-family: 'Fira Code', monospace;
  color: #0f0;
  height: 300px;
  overflow-y: auto;
  box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.5);
}

.terminal-header {
  border-bottom: 1px solid #333;
  padding-bottom: 10px;
  margin-bottom: 10px;
  display: flex;
  gap: 8px;
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot-red { background-color: #ff5f56; }
.dot-yellow { background-color: #ffbd2e; }
.dot-green { background-color: #27c93f; }

/* Utilities */
.glass-effect {
  background: rgba(17, 24, 39, 0.7);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

/* Animations */
@keyframes pulseGlow {
  0% { box-shadow: 0 0 5px rgba(59, 130, 246, 0.2); }
  50% { box-shadow: 0 0 20px rgba(59, 130, 246, 0.6); }
  100% { box-shadow: 0 0 5px rgba(59, 130, 246, 0.2); }
}

.animate-glow {
  animation: pulseGlow 2s infinite;
}