:root {
  --bg-primary: #0a0e17;
  --bg-secondary: #121826;
  --bg-card: #182234;
  --bg-card-hover: #1f2d45;
  --border-color: #27354f;
  --accent-cyan: #00f2fe;
  --accent-blue: #4facfe;
  --accent-green: #10b981;
  --accent-red: #ef4444;
  --accent-yellow: #f59e0b;
  --accent-purple: #8b5cf6;
  --text-main: #f1f5f9;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
header {
  background-color: rgba(18, 24, 38, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0.85rem 1.5rem;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 700;
  font-size: 1.25rem;
  color: #fff;
  text-decoration: none;
}

.logo-badge {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #000;
  font-size: 0.75rem;
  font-weight: 800;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav-link {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: color 0.2s;
  padding: 0.4rem 0.6rem;
  border-radius: 6px;
}

.nav-link:hover, .nav-link.active {
  color: #fff;
  background-color: rgba(255, 255, 255, 0.05);
}

.nav-link.highlight {
  color: #000;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  font-weight: 600;
}

.nav-link.highlight:hover {
  filter: brightness(1.1);
}

/* Main Container */
main {
  flex: 1;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Banner */
.hero {
  background: radial-gradient(circle at 80% 20%, rgba(0, 242, 254, 0.08), transparent 50%),
              radial-gradient(circle at 20% 80%, rgba(79, 172, 254, 0.08), transparent 50%),
              var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  padding: 3rem 2rem;
  margin-bottom: 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero h1 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(135deg, #ffffff, var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 650px;
  margin: 0 auto 1.8rem auto;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.8rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-weight: 600;
  font-family: var(--font-mono);
}

.badge-green {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-blue {
  background: rgba(79, 172, 254, 0.15);
  color: var(--accent-cyan);
  border: 1px solid rgba(79, 172, 254, 0.3);
}

.badge-yellow {
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.badge-red {
  background: rgba(239, 68, 68, 0.15);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.3);
}

/* Grid & Cards */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s;
}

.card:hover {
  border-color: rgba(0, 242, 254, 0.4);
  transform: translateY(-2px);
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #fff;
}

.card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  flex: 1;
  margin-bottom: 1.2rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 0.65rem 1.2rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  color: #000;
}

.btn-primary:hover {
  filter: brightness(1.1);
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.25);
}

.btn-secondary {
  background-color: var(--bg-card);
  color: #fff;
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--bg-card-hover);
  border-color: var(--text-muted);
}

.btn-danger {
  background: rgba(239, 68, 68, 0.2);
  color: #f87171;
  border: 1px solid rgba(239, 68, 68, 0.4);
}

.btn-danger:hover {
  background: rgba(239, 68, 68, 0.35);
}

.btn-warning {
  background: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.btn-warning:hover {
  background: rgba(245, 158, 11, 0.35);
}

/* Forms */
.form-group {
  margin-bottom: 1rem;
}

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.4rem;
}

input, textarea, select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: #fff;
  font-family: inherit;
  font-size: 0.9rem;
  transition: border-color 0.2s;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: var(--accent-cyan);
}

/* Diagnostics & Code boxes */
.code-box {
  background-color: #050811;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: #38bdf8;
  overflow-x: auto;
  white-space: pre-wrap;
  word-break: break-all;
}

.diag-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

.diag-table th, .diag-table td {
  padding: 0.65rem 0.85rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.diag-table th {
  color: var(--text-dim);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.75rem;
}

.diag-table td.key {
  font-family: var(--font-mono);
  color: var(--accent-cyan);
  width: 220px;
}

.diag-table td.val {
  font-family: var(--font-mono);
  color: #e2e8f0;
}

/* Progress bar */
.progress-bar-container {
  width: 100%;
  height: 10px;
  background-color: var(--bg-primary);
  border-radius: 5px;
  overflow: hidden;
  margin: 1rem 0;
  border: 1px solid var(--border-color);
}

.progress-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
  transition: width 0.1s linear;
}

/* Log output console */
.console-feed {
  background-color: #030712;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  height: 320px;
  overflow-y: auto;
}

.console-entry {
  display: flex;
  gap: 0.75rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.console-entry:last-child {
  border-bottom: none;
}

.console-time {
  color: var(--text-dim);
}

.console-status-200 { color: #34d399; font-weight: bold; }
.console-status-403 { color: #f87171; font-weight: bold; }
.console-status-429 { color: #fbbf24; font-weight: bold; }
.console-status-503 { color: #f43f5e; font-weight: bold; }
.console-status-other { color: #38bdf8; font-weight: bold; }

/* Footer */
footer {
  border-top: 1px solid var(--border-color);
  padding: 1.5rem;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.85rem;
  background-color: var(--bg-secondary);
}