:root {
  --bg: #0b1020;
  --surface: #141b2d;
  --surface2: #1c2540;
  --border: #2a3555;
  --text: #e8eefc;
  --muted: #8b9bb8;
  --accent: #5b8cff;
  --accent2: #3dd6c6;
  --pass: #3ecf8e;
  --fail: #ff6b7a;
  --warn: #f0b429;
  --radius: 12px;
  --font: "Segoe UI", system-ui, -apple-system, sans-serif;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Menlo, monospace;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  background:
    radial-gradient(1200px 600px at 10% -10%, #1a2a55 0%, transparent 55%),
    radial-gradient(900px 500px at 90% 0%, #0d3d3a 0%, transparent 50%),
    var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--accent2);
  text-decoration: none;
}
a:hover {
  text-decoration: underline;
}

.wrap {
  max-width: 920px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

header.hero {
  text-align: center;
  margin-bottom: 2rem;
}

header.hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.4rem);
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

header.hero p {
  color: var(--muted);
  margin: 0 auto;
  max-width: 36rem;
}

.badge-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1rem;
}

.pill {
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--muted);
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
}

.scan-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: flex-start;
}

.scan-form .field {
  flex: 1 1 240px;
}

.scan-form input[type="text"] {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-size: 1rem;
  font-family: var(--mono);
}

.scan-form input:focus {
  outline: 2px solid var(--accent);
  border-color: transparent;
}

.hint {
  display: block;
  margin-top: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
  min-height: 1.2em;
}
.hint.error {
  color: var(--fail);
}
.hint.ok {
  color: var(--accent2);
}

.btn {
  appearance: none;
  border: none;
  border-radius: 10px;
  padding: 0.85rem 1.25rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  background: linear-gradient(135deg, var(--accent), #7b5cff);
  color: #fff;
}
.btn:hover {
  filter: brightness(1.08);
}
.btn:disabled {
  opacity: 0.6;
  cursor: wait;
}
.btn.secondary {
  background: var(--surface2);
  border: 1px solid var(--border);
  color: var(--text);
}
.btn.ghost {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}

.force-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.auth-panel {
  margin-bottom: 1rem;
}
.auth-form {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}
.auth-form input {
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
.auth-user {
  margin-right: 0.75rem;
  color: var(--muted);
}

.loading {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
}

.score-hero {
  display: flex;
  gap: 1.25rem;
  align-items: center;
  margin-bottom: 1.25rem;
}
.score-hero h2 {
  margin: 0;
  font-family: var(--mono);
  font-size: 1.25rem;
}
.score-num {
  margin: 0.25rem 0;
  font-size: 1.35rem;
  font-weight: 700;
}

.grade {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 14px;
  display: grid;
  place-items: center;
  font-size: 2rem;
  font-weight: 800;
  background: var(--surface2);
  border: 2px solid var(--border);
  flex-shrink: 0;
}
.grade-A {
  color: var(--pass);
  border-color: var(--pass);
}
.grade-B {
  color: #7ddea0;
  border-color: #7ddea0;
}
.grade-C {
  color: var(--warn);
  border-color: var(--warn);
}
.grade-D {
  color: #ff9f6b;
  border-color: #ff9f6b;
}
.grade-F {
  color: var(--fail);
  border-color: var(--fail);
}
.grade-vis {
  font-size: 1.35rem;
  color: var(--accent2);
  border-color: var(--accent2);
}
.grade-sm {
  display: inline-block;
  min-width: 1.5rem;
  text-align: center;
  font-weight: 700;
  margin-right: 0.35rem;
}

.visibility-card .score-hero {
  margin-bottom: 0.75rem;
}
.visibility-card h3 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.visibility-card .pill.stub {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--warn);
  border-color: var(--warn);
}
.vis-bar {
  margin-bottom: 0.75rem;
}
.vis-note {
  margin: 0.5rem 0 0.75rem;
}
.vis-providers {
  margin-top: 0.5rem;
}

.pill.req-required {
  color: var(--fail);
  border-color: color-mix(in srgb, var(--fail) 50%, var(--border));
}
.pill.req-recommended {
  color: var(--accent2);
}
.pill.req-experimental {
  color: var(--warn);
}
.pill.req-standard {
  color: var(--muted);
}
.pill.sev-critical {
  color: var(--fail);
  font-weight: 600;
}
.pill.sev-major {
  color: #ff9f6b;
}
.pill.sev-minor {
  color: var(--muted);
}

.check-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
}

.dims {
  display: grid;
  gap: 0.85rem;
}
.dim-head {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  margin-bottom: 0.3rem;
  gap: 0.75rem;
}
.dim-meta {
  margin-top: 0.25rem;
}
.section-title {
  margin: 1.25rem 0 0.75rem;
  font-size: 0.95rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.score-label {
  margin: 0;
}
.status-pill {
  display: inline-block;
  margin-left: 0.5rem;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  vertical-align: middle;
}
.status-excellent { color: var(--pass); border-color: var(--pass); }
.status-good { color: #7ddea0; border-color: #7ddea0; }
.status-needs { color: var(--warn); border-color: var(--warn); }
.status-poor { color: #ff9f6b; border-color: #ff9f6b; }
.status-critical { color: var(--fail); border-color: var(--fail); }

.bar {
  height: 8px;
  background: var(--bg);
  border-radius: 99px;
  overflow: hidden;
}
.bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent2), var(--accent));
  border-radius: 99px;
  transition: width 0.4s ease;
}
.bar-fill.bar-excellent { background: linear-gradient(90deg, #3ecf8e, #5b8cff); }
.bar-fill.bar-good { background: linear-gradient(90deg, #7ddea0, #5b8cff); }
.bar-fill.bar-needs { background: linear-gradient(90deg, #f0b429, #ff9f6b); }
.bar-fill.bar-poor { background: linear-gradient(90deg, #ff9f6b, #ff6b7a); }
.bar-fill.bar-critical { background: linear-gradient(90deg, #ff6b7a, #c43d4e); }

/* Upsell for poor scores */
.upsell-card {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background:
    radial-gradient(600px 200px at 100% 0%, rgba(91, 140, 255, 0.18), transparent 60%),
    var(--surface);
}
.upsell-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--warn);
  border: 1px solid var(--warn);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  margin-bottom: 0.5rem;
}
.upsell-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
}
.upsell-body {
  margin: 0 0 1rem;
  font-size: 1.05rem;
  line-height: 1.45;
}
.upsell-hook {
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
}
.score-jump {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.35rem;
  font-weight: 800;
  font-size: 1.75rem;
  font-family: var(--mono);
}
.jump-from {
  color: var(--fail);
  text-decoration: line-through;
  opacity: 0.85;
  font-size: 1.35rem;
}
.jump-arrow {
  color: var(--muted);
  font-size: 1.25rem;
}
.jump-to {
  color: var(--pass);
  background: linear-gradient(135deg, var(--pass), var(--accent2));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.jump-grades {
  font-size: 0.9rem;
  font-weight: 600;
}
.upsell-disclaimer,
.upsell-note {
  margin: 0.5rem 0 0;
}
.upsell-card .btn {
  margin-top: 0.25rem;
}

.auth-highlight {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: var(--radius);
  transition: outline 0.2s;
}

.warn-card {
  border-color: color-mix(in srgb, var(--fail) 40%, var(--border));
}
.crit-list {
  margin: 0;
  padding-left: 1.1rem;
  color: var(--text);
}
.crit-list li {
  margin: 0.35rem 0;
}

.check-groups {
  display: grid;
  gap: 0.5rem;
}
.check-group {
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--bg);
  padding: 0.35rem 0.75rem;
}
.check-group summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.55rem 0.15rem;
  font-weight: 600;
  list-style: none;
}
.check-group summary::-webkit-details-marker {
  display: none;
}
.check-group[open] summary {
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.25rem;
}

/* Live compare */
.compare-hero {
  text-align: center;
}
.compare-vs {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--mono);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0.5rem 0 0.75rem;
}
.compare-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
@media (min-width: 720px) {
  .compare-grid {
    grid-template-columns: 1fr 1fr;
  }
}
.compare-bars {
  display: grid;
  gap: 0.25rem;
}
.compare-side h2 {
  font-size: 1.05rem;
}

.checks {
  list-style: none;
  margin: 0;
  padding: 0;
}
.check {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border);
}
.check:last-child {
  border-bottom: none;
}
.check-top {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.check-detail {
  margin: 0.35rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.fix-hint {
  margin: 0.35rem 0 0;
  font-size: 0.85rem;
  color: var(--warn);
}
.weight {
  font-size: 0.75rem;
  color: var(--muted);
  font-family: var(--mono);
}
.badge {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.45rem;
  border-radius: 6px;
  font-weight: 700;
}
.badge.pass {
  background: rgba(62, 207, 142, 0.15);
  color: var(--pass);
}
.badge.fail {
  background: rgba(255, 107, 122, 0.15);
  color: var(--fail);
}
.badge.info {
  background: rgba(91, 140, 255, 0.15);
  color: var(--accent);
}

.history {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.history th,
.history td {
  text-align: left;
  padding: 0.5rem 0.4rem;
  border-bottom: 1px solid var(--border);
}
.history th {
  color: var(--muted);
  font-weight: 600;
}

#recent-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
#recent-list li {
  padding: 0.4rem 0;
  border-bottom: 1px solid var(--border);
}
.recent-link {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  color: var(--text);
  text-decoration: none;
}
.recent-link:hover {
  color: var(--accent2);
}

.muted {
  color: var(--muted);
}
.small {
  font-size: 0.85rem;
}
.warn {
  border-color: rgba(240, 180, 41, 0.4);
}
.error-card {
  border-color: rgba(255, 107, 122, 0.4);
  color: var(--fail);
}

footer {
  margin-top: 2.5rem;
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
}
footer code {
  font-family: var(--mono);
  font-size: 0.8rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}
@media (min-width: 800px) {
  .grid-2 {
    grid-template-columns: 1.4fr 0.8fr;
    align-items: start;
  }
}

.lang-switch {
  display: flex;
  gap: 0.35rem;
  justify-content: flex-end;
  margin-bottom: 0.5rem;
}
.small-btn {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
}
.profile-select {
  padding: 0.85rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}
.compare-form {
  display: grid;
  gap: 0.5rem;
}
.compare-form input {
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
}
.leaderboard {
  margin: 0;
  padding-left: 1.25rem;
}
.leaderboard li {
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--border);
}
.rank {
  color: var(--muted);
  font-family: var(--mono);
  margin-right: 0.35rem;
}
.fix-prompt {
  margin-top: 0.4rem;
  font-size: 0.8rem;
}
.fix-prompt pre {
  white-space: pre-wrap;
  background: var(--bg);
  padding: 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  color: var(--muted);
  overflow-x: auto;
}
.side {
  display: grid;
  gap: 1rem;
}