:root {
  --bg: #0b0b12;
  --bg-soft: #12121c;
  --bg-card: #161624;
  --border: #26263a;
  --text: #e8e8f0;
  --muted: #9b9bb4;
  --accent: #8b5cf6;
  --accent-2: #22d3ee;
  --pass: #34d399;
  --partial: #fbbf24;
  --fail: #f87171;
  --skip: #64748b;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(139, 92, 246, 0.18), transparent 60%),
    radial-gradient(800px 400px at 10% -20%, rgba(34, 211, 238, 0.10), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: var(--sans);
  line-height: 1.55;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.wrap { width: 100%; max-width: 1040px; margin: 0 auto; padding: 0 20px; }

main { flex: 1 0 auto; padding-bottom: 64px; }

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.mono { font-family: var(--mono); }
.muted { color: var(--muted); font-size: 0.92rem; }

.site-header {
  border-bottom: 1px solid var(--border);
  background: rgba(11, 11, 18, 0.7);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.nav { display: flex; align-items: center; justify-content: space-between; padding-top: 14px; padding-bottom: 14px; gap: 16px; flex-wrap: wrap; }

.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); letter-spacing: 0.02em; }
.logo:hover { text-decoration: none; }
.logo-mark {
  font-family: var(--mono);
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  font-size: 1.15rem;
}
.logo-text { font-family: var(--mono); }

.nav-links { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.nav-links a { color: var(--muted); font-size: 0.92rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

.hero { padding: 72px 0 48px; text-align: left; }

.eyebrow {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--accent-2);
  margin: 0 0 14px;
}

h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); line-height: 1.12; margin: 0 0 18px; letter-spacing: -0.01em; }

.lead { font-size: 1.08rem; color: var(--muted); max-width: 640px; margin: 0 0 28px; }

.scan-form { display: flex; gap: 10px; max-width: 640px; flex-wrap: wrap; }

.scan-form input[type="url"] {
  flex: 1 1 320px;
  padding: 13px 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text);
  font-family: var(--mono);
  font-size: 1rem;
  outline: none;
}
.scan-form input[type="url"]:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 13px 20px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.06s ease, background 0.15s ease;
}
.btn:hover { background: var(--bg-card); text-decoration: none; }
.btn:active { transform: translateY(1px); }

.btn-primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0b0b12;
}
.btn-primary:hover { background: linear-gradient(135deg, #a78bfa, #67e8f9); color: #0b0b12; }
.btn:disabled { opacity: 0.55; cursor: progress; }

.form-note { min-height: 1.4em; font-size: 0.9rem; margin: 12px 0 0; }

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 32px 0 56px; }

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 22px;
}

.card h2 { font-size: 1.15rem; margin: 0 0 12px; }
.card p { color: var(--muted); font-size: 0.94rem; margin: 0; }

.tag {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid;
}
.tag-essential { color: var(--pass); border-color: rgba(52, 211, 153, 0.4); }
.tag-recommended { color: var(--accent-2); border-color: rgba(34, 211, 238, 0.4); }
.tag-emerging { color: var(--partial); border-color: rgba(251, 191, 36, 0.4); }

.section { margin: 48px 0; }
.section h2 { font-size: 1.4rem; margin: 0 0 16px; }

.steps { padding-left: 22px; display: grid; gap: 10px; }
.steps li { color: var(--muted); max-width: 720px; }

.recent-list { list-style: none; padding: 0; margin: 0; max-width: 640px; display: grid; gap: 8px; }
.recent-list a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--text);
}
.recent-list a:hover { border-color: var(--accent); text-decoration: none; }

.score-pill {
  font-family: var(--mono);
  color: var(--accent-2);
  font-size: 0.9rem;
}

.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  background: rgba(11, 11, 18, 0.6);
}
.site-footer p { margin: 4px 0; font-size: 0.9rem; }

.progress-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 36px 28px;
  text-align: center;
  max-width: 560px;
}

.spinner {
  width: 44px;
  height: 44px;
  margin: 0 auto 18px;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--accent-2);
  animation: spin 0.9s linear infinite;
}

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

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }

.alert {
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-2);
  background: var(--bg-card);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 20px;
}
.alert-error { border-left-color: var(--fail); }

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

/* Report */
.report-head {
  display: flex;
  gap: 28px;
  align-items: center;
  flex-wrap: wrap;
  margin: 48px 0 0;
}

.score-ring {
  --score: 0;
  width: 150px; height: 150px;
  border-radius: 50%;
  background:
    conic-gradient(var(--accent) calc(var(--score) * 1%), rgba(255, 255, 255, 0.06) 0);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.score-ring-inner {
  width: 124px; height: 124px;
  border-radius: 50%;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}
.score-value { font-size: 2.6rem; font-weight: 800; font-family: var(--mono); line-height: 1; }
.score-total { color: var(--muted); font-size: 0.85rem; font-family: var(--mono); margin-top: 4px; }

.report-meta h1 { margin: 0 0 10px; font-size: 1.9rem; word-break: break-all; }
.report-meta p { margin: 3px 0; }

.grade-pill {
  display: inline-block;
  margin-top: 10px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.25), rgba(34, 211, 238, 0.25));
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 4px 14px;
  border-radius: 999px;
  font-weight: 600;
}

.report-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }

.cat-row { margin: 14px 0; }
.cat-head { display: flex; justify-content: space-between; margin-bottom: 6px; }
.cat-name { font-weight: 600; }
.cat-score { color: var(--muted); font-size: 0.9rem; }

.bar { height: 10px; border-radius: 999px; background: var(--bg-card); border: 1px solid var(--border); overflow: hidden; }
.bar-fill { height: 100%; border-radius: 999px; }
.cat-essential { background: linear-gradient(90deg, var(--accent), #a78bfa); }
.cat-recommended { background: linear-gradient(90deg, var(--accent-2), #67e8f9); }
.cat-emerging { background: linear-gradient(90deg, var(--partial), #fde68a); }

.finding {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  margin: 12px 0;
}
.finding-head { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.finding h3 { margin: 0; font-size: 1.05rem; }

.badge {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid;
}
.badge-pass { color: var(--pass); border-color: rgba(52, 211, 153, 0.5); }
.badge-partial { color: var(--partial); border-color: rgba(251, 191, 36, 0.5); }
.badge-fail { color: var(--fail); border-color: rgba(248, 113, 113, 0.5); }
.badge-skip { color: var(--skip); border-color: rgba(100, 116, 139, 0.5); }

.finding-desc, .finding-evidence, .finding-rec { margin: 8px 0; color: var(--muted); font-size: 0.93rem; }
.finding-evidence, .finding-rec { color: var(--text); }
.finding-rec { color: var(--accent-2); }

.finding-details { margin: 8px 0 0 0; padding-left: 20px; color: var(--muted); font-size: 0.86rem; display: grid; gap: 4px; }

.code-block {
  background: #0d0d16;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  overflow-x: auto;
  font-family: var(--mono);
  font-size: 0.88rem;
  color: var(--accent-2);
}

@media (max-width: 720px) {
  .grid-3 { grid-template-columns: 1fr; }
  .report-head { margin-top: 32px; }
  .nav { justify-content: center; }
}