:root {
  --bg: #0b0f19;
  --panel: #111827;
  --panel-2: #1f2937;
  --text: #f3f4f6;
  --muted: #9ca3af;
  --accent: #6366f1;
  --accent-2: #8b5cf6;
  --success: #22c55e;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 14px;
  --shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
  --max-width: 1280px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 800px at 15% -10%, rgba(99, 102, 241, 0.18), transparent 60%),
              radial-gradient(1000px 600px at 95% 0%, rgba(139, 92, 246, 0.14), transparent 60%),
              var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  color: var(--text);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 8px;
  font-size: 0.85rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.95rem;
  font-weight: 500;
}

.site-nav a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.site-nav a:hover {
  color: var(--text);
  text-decoration: none;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

.view[hidden] { display: none !important; }

.hero {
  text-align: center;
  padding: 4rem 1rem 3rem;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  line-height: 1.1;
  margin: 0 0 1rem;
  background: linear-gradient(90deg, #fff, #c7d2fe);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  font-size: 1.15rem;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 2rem;
}

.scan-form {
  display: flex;
  gap: 0.75rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.scan-form input {
  min-width: 280px;
  padding: 0.85rem 1rem;
  border: 1px solid var(--panel-2);
  border-radius: var(--radius);
  background: var(--panel);
  color: var(--text);
  font-size: 1rem;
  outline: none;
}

.scan-form input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.25);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.5rem;
  border: 0;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary:hover { filter: brightness(1.1); }

.helper {
  color: var(--muted);
  font-size: 0.9rem;
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.5rem;
  margin-top: 3rem;
}

.feature {
  padding: 1.5rem;
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature h3 {
  margin: 0 0 0.5rem;
  font-size: 1.1rem;
}

.feature p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.card {
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.5rem;
  margin-bottom: 1.5rem;
}

.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.5rem;
}

.dashboard-header h1 {
  font-size: 1.75rem;
  margin: 0;
}

.status-pill {
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  background: var(--panel-2);
  color: var(--muted);
}

.status-pill.queued { color: var(--muted); }
.status-pill.running { color: var(--warning); }
.status-pill.completed { background: rgba(34, 197, 94, 0.15); color: var(--success); }
.status-pill.failed { background: rgba(239, 68, 68, 0.15); color: var(--danger); }

.progress-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.75rem;
  color: var(--muted);
  font-size: 0.95rem;
}

.progress-bar {
  height: 8px;
  background: var(--panel-2);
  border-radius: 9999px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.3s ease;
}

.live-log {
  margin-top: 1rem;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.85rem;
  color: var(--muted);
  min-height: 1.5rem;
}

.scores-grid, .limits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.score-card {
  background: var(--panel-2);
  padding: 1rem;
  border-radius: var(--radius);
  text-align: center;
}

.score-card .value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
}

.score-card .label {
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: capitalize;
}

.result-json {
  background: var(--panel-2);
  padding: 1rem;
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.8rem;
  color: var(--muted);
  max-height: 400px;
}

.site-footer {
  max-width: var(--max-width);
  margin: auto auto 0;
  padding: 1.5rem 1rem;
  text-align: center;
  background: #0f172a;
  color: var(--muted);
  font-size: 0.875rem;
}

.site-footer a {
  color: var(--muted);
  transition: color 0.2s ease;
}

.site-footer a:hover {
  color: var(--text);
  text-decoration: none;
}

.error .card { text-align: center; }