:root {
  --bg-dark: #000000;
  --bg-card: rgba(10, 10, 10, 0.8);
  --bg-input: rgba(20, 20, 20, 0.9);
  --border-color: rgba(255, 255, 255, 0.08);
  --accent-glow: rgba(100, 100, 255, 0.3);
  --primary: #6366f1;
  --secondary: #4f46e5;
  --text-main: #ffffff;
  --text-muted: #6b7280;
  --success: #10b981;
  --error: #ef4444;
  --subtle-gradient: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(79, 70, 229, 0.05));
}

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

html, body {
  height: 100%;
  overflow: hidden;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-main);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  line-height: 1.5;
  background-image: 
    radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.03), transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(79, 70, 229, 0.03), transparent 50%);
  background-attachment: fixed;
}

.glass-panel {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.glow-btn {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  border: none;
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 14px 0 rgba(99, 102, 241, 0.3);
  position: relative;
  overflow: hidden;
}

.glow-btn::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 0.5s;
}

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

.glow-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.glow-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.input-field {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  padding: 14px 16px;
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
  outline: none;
}

.input-field:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.terminal-window {
  background: #000000;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

.terminal-header {
  background: rgba(0, 0, 0, 0.6);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-color);
  gap: 8px;
  backdrop-filter: blur(10px);
}

.terminal-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ff5f56; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #27c93f; }

.terminal-body {
  padding: 16px;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.9rem;
  color: #a0a0cc;
  max-height: 400px;
  overflow-y: auto;
}

.log-entry {
  margin-bottom: 8px;
  animation: fadeIn 0.3s ease;
}

.log-prefix {
  color: var(--primary);
  margin-right: 8px;
}

.step-card {
  padding: 16px;
  border-radius: 8px;
  background: rgba(255,255,255,0.02);
  border: 1px solid transparent;
  transition: all 0.3s ease;
}

.step-card.active {
  border-color: var(--primary);
  background: rgba(139, 92, 246, 0.05);
  box-shadow: inset 0 0 20px rgba(139, 92, 246, 0.05);
}

.analyzing-glow {
  color: var(--primary) !important;
  background: rgba(99, 102, 241, 0.1) !important;
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
  animation: pulseGlow 2s infinite ease-in-out;
  border: 1px solid rgba(99, 102, 241, 0.25) !important;
}

.terminal-drawer {
  background: #000000;
  border-top: 1px solid var(--border-color);
  overflow: hidden;
  transition: height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.5);
}

.terminal-drawer-header {
  padding: 10px 16px;
  background: rgba(0, 0, 0, 0.8);
  border-bottom: 1px solid var(--border-color);
  font-size: 0.75rem;
  color: 'var(--text-muted)';
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: background 0.2s ease;
  backdrop-filter: blur(10px);
}

.terminal-drawer-header:hover {
  background: rgba(99, 102, 241, 0.05);
}

.terminal-drawer-body {
  padding: 12px 20px;
  max-height: 250px;
  overflow-y: auto;
  font-family: monospace;
  font-size: 0.8rem;
  color: #a0a0cc;
  white-space: pre-wrap;
}

.diff-view {
  background: #1a1a24;
  border-radius: 8px;
  padding: 16px;
  overflow-x: auto;
  font-family: monospace;
  white-space: pre;
  color: #d1d5db;
}

.diff-add { color: #a3be8c; }
.diff-remove { color: #bf616a; }
.diff-header { color: #81a1c1; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes pulseGlow {
  0%, 100% { 
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.2);
    transform: scale(1);
  }
  50% { 
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.4);
    transform: scale(1.01);
  }
}

.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  border-top-color: white;
  animation: spin 1s ease-in-out infinite;
}

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

/* Vercel-style enhancements */
.feature-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 20px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.feature-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

.stat-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(99, 102, 241, 0.08);
  border: 1px solid rgba(99, 102, 241, 0.2);
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
}

.gradient-text {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.code-snippet {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 16px;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
  color: #00ff88;
  overflow-x: auto;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  animation: pulse 2s infinite;
  box-shadow: 0 0 10px var(--success);
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.1); }
}

.shimmer {
  background: linear-gradient(90deg, 
    rgba(255, 255, 255, 0) 0%, 
    rgba(255, 255, 255, 0.05) 50%, 
    rgba(255, 255, 255, 0) 100%);
  background-size: 200% 100%;
  animation: shimmer 2s infinite;
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

.tag {
  display: inline-block;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-right: 6px;
  margin-bottom: 6px;
}

.activity-indicator {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: rgba(0, 255, 0, 0.05);
  border-left: 2px solid var(--success);
  border-radius: 4px;
  font-size: 0.8rem;
  margin-bottom: 8px;
}

.metric-card {
  text-align: center;
  padding: 16px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 8px;
}

.metric-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-main);
}

.metric-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 4px;
}

.timeline-item {
  position: relative;
  padding-left: 24px;
  padding-bottom: 16px;
  border-left: 1px solid var(--border-color);
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -5px;
  top: 0;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--primary);
  border: 2px solid var(--bg-dark);
}

.timeline-item:last-child {
  border-left-color: transparent;
}

.repo-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 16px;
  transition: all 0.2s ease;
  cursor: pointer;
}

.repo-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(99, 102, 241, 0.15);
}

.status-online {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  color: var(--success);
}

.status-online::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 8px var(--success);
}

.hero-section {
  text-align: center;
  padding: 60px 20px;
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  line-height: 1.6;
}

@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  .hero-subtitle {
    font-size: 1rem;
  }
}

/* Custom Scrollbar - Vercel Style */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
  transition: background 0.2s ease;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.4);
}

/* Firefox Scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: rgba(255, 255, 255, 0.1) rgba(0, 0, 0, 0.2);
}

/* Smooth transitions for all interactive elements */
a, button, input, .feature-card, .repo-card, .step-card {
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Focus states for accessibility */
input:focus, button:focus {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Selection color */
::selection {
  background: rgba(99, 102, 241, 0.25);
  color: white;
}

::-moz-selection {
  background: rgba(99, 102, 241, 0.25);
  color: white;
}