:root {
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --accent: #8b5cf6;
  --bg: #0f172a;
  --card-bg: #1e293b;
  --card-border: #334155;
  --text: #f8fafc;
  --text-muted: #94a3b8;
  --danger: #ef4444;
  --danger-hover: #dc2626;
  --success: #10b981;
  --warning: #f59e0b;
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  padding-bottom: 40px;
}

.nav-bar {
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.1rem;
  color: #60a5fa;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 8px;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.nav-link.active {
  color: #ffffff;
  background: var(--primary);
  font-weight: 600;
}

.container {
  max-width: 1050px;
  margin: 24px auto;
  padding: 0 20px;
}

.header-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--card-border);
}

.header-banner h1 {
  font-size: 1.8rem;
  color: #60a5fa;
  margin-bottom: 4px;
}

.badge {
  background: rgba(59, 130, 246, 0.15);
  border: 1px solid var(--primary);
  color: #93c5fd;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 24px;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 22px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: transform 0.15s ease, border-color 0.15s ease;
}

.card:hover {
  border-color: rgba(255, 255, 255, 0.15);
}

.card h2 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: #f1f5f9;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

button, .btn {
  background: var(--primary);
  color: white;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
}

button:hover, .btn:hover {
  background: var(--primary-hover);
  transform: translateY(-1px);
}

button:active, .btn:active {
  transform: translateY(0);
}

button.danger { background: var(--danger); }
button.danger:hover { background: var(--danger-hover); }

button.success { background: var(--success); }
button.warning { background: var(--warning); color: #000; }
button.secondary { background: #475569; }
button.secondary:hover { background: #334155; }

input, select, textarea {
  background: #0f172a;
  border: 1px solid var(--card-border);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  width: 100%;
  margin-bottom: 12px;
  transition: border-color 0.2s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.terminal-box {
  background: #020617;
  border: 1px solid var(--card-border);
  border-radius: 10px;
  padding: 16px;
  font-family: 'Fira Code', Monaco, Consolas, monospace;
  font-size: 0.82rem;
  color: #4ade80;
  max-height: 250px;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.metric-stat {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px dashed var(--card-border);
  font-size: 0.9rem;
}

.metric-stat:last-child {
  border-bottom: none;
}

.metric-value {
  font-weight: 700;
  color: #60a5fa;
}

.progress-bar-container {
  height: 4px;
  background: rgba(255, 255, 255, 0.1);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 101;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #3b82f6, #8b5cf6);
  width: 0%;
  transition: width 0.1s ease;
}