/*
 * CodeNut Site Checker.
 *
 * Brand tokens, type and the nav/lockup/button rules are copied from the main
 * CodeNut app (codenut/app/assets/stylesheets/marketing.css) so the two read
 * as one brand. Site Checker's own components are prefixed sc-.
 */

:root {
  --bg: #ffffff;
  --surface: #ffffff;
  --fg: #16161a;
  --muted: #6b6b73;
  --faint: #97979e;
  --line: #d8dee4;
  --line-strong: #d0d7de;
  --inset: #f6f8fa;
  /* --accent: green for accents. --action: blue for every solid button. */
  --accent: #047224;
  --action: #2563eb;
  --action-fg: #ffffff;
  --accent-fg: #ffffff;
  --accent-soft: color-mix(in oklch, var(--accent) 12%, white);
  --danger: #b42318;
  --danger-soft: #fdecea;
  --warn: #9a6700;
  --warn-soft: #fff4d6;

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-body: "Hanken Grotesk", system-ui, sans-serif;
  --font-mono: ui-monospace, "SF Mono", Menlo, monospace;

  --radius: 14px;
  --radius-sm: 9px;
  --maxw: 1180px;
  --shadow-sm: 0 1px 2px rgba(20, 20, 26, .05), 0 1px 1px rgba(20, 20, 26, .04);
  --shadow: 0 4px 14px rgba(20, 20, 26, .06), 0 1px 3px rgba(20, 20, 26, .05);
}

/* ── base (from CodeNut) ─────────────────────────────────────────────── */
.cn * { box-sizing: border-box; }
.cn h1, .cn h2, .cn h3 {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.05;
  margin: 0;
  text-wrap: balance;
}
.cn p { margin: 0; text-wrap: pretty; }
.cn a:not(.btn) { color: inherit; }
.cn a { text-decoration: none; }
.cn button { font-family: inherit; cursor: pointer; }

body.cn-body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
body.cn-body ::selection { background: var(--accent); color: var(--accent-fg); }
.cn { min-height: 100vh; display: flex; flex-direction: column; }
.cn main { flex: 1; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 28px; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 15px;
  padding: 11px 20px;
  transition: transform .12s ease, background .18s ease, box-shadow .18s ease, border-color .18s ease, color .18s ease;
  white-space: nowrap;
}
.btn:active { transform: translateY(1px); }
.btn:focus-visible, .sc-field input:focus-visible, .cn a:focus-visible { outline: 3px solid color-mix(in oklch, var(--action) 45%, transparent); outline-offset: 2px; }
.btn-primary { background: var(--action); color: var(--action-fg); box-shadow: var(--shadow-sm); }
.btn-primary:hover { box-shadow: 0 6px 18px -6px color-mix(in oklch, var(--action) 55%, transparent); }
.btn-primary[disabled] { opacity: .7; cursor: progress; }
.btn-ghost { background: transparent; color: var(--fg); border-color: var(--line-strong); }
.btn-ghost:hover { background: var(--inset); }
.btn-plain { background: transparent; color: var(--fg); padding: 11px 8px; }
.btn-plain:hover { color: var(--accent); }
.btn-lg { padding: 14px 26px; font-size: 16px; }

.eyebrow {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}
.lead { color: var(--muted); font-size: 19px; line-height: 1.55; }

/* ── nav + lockup (from CodeNut) ─────────────────────────────────────── */
.cn-nav { border-bottom: 1px solid var(--line); background: var(--bg); }
.cn-nav-inner { height: 70px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.cn-logo { display: inline-flex; }
.cn-lockup {
  display: inline-flex; align-items: center; gap: 8px; color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "Noto Sans", Arial, sans-serif;
  -webkit-font-smoothing: auto;
  -moz-osx-font-smoothing: auto;
}
.cn-lockup svg { width: 30px; height: 30px; flex: none; }
.cn-lockup-text { display: flex; flex-direction: column; line-height: 1; }
.cn-lockup-name { font-size: 26px; font-weight: 700; letter-spacing: -0.025em; white-space: nowrap; }
.cn-lockup-sub {
  margin-top: 3px; font-size: 12px; font-weight: 500; letter-spacing: .06em;
  text-transform: uppercase; color: var(--muted); white-space: nowrap;
}
.cn-navlinks { display: flex; align-items: center; gap: 4px; }
.cn-navlinks a {
  padding: 8px 14px;
  font-size: 15px;
  color: var(--muted);
  font-weight: 500;
  border-radius: 8px;
  white-space: nowrap;
  transition: color .15s ease;
}
.cn-navlinks a:hover { color: var(--fg); }

.cn-footer { border-top: 1px solid var(--line); padding: 36px 0; margin-top: 72px; background: var(--inset); }
.cn-footer-inner { display: flex; justify-content: space-between; align-items: flex-start; gap: 24px; flex-wrap: wrap; }
.cn-footer .cn-lockup svg { width: 24px; height: 24px; }
.cn-footer .cn-lockup-name { font-size: 20px; }
.cn-footer-note { margin-top: 10px !important; color: var(--muted); font-size: 15px; }
.cn-footer-links { display: flex; gap: 22px; flex-wrap: wrap; font-size: 15px; color: var(--muted); }
.cn-footer-links a:hover { color: var(--accent); }

/* ── home ────────────────────────────────────────────────────────────── */
.sc-hero { padding: 88px 0 64px; }
.sc-hero-inner { max-width: 820px; text-align: center; }
.sc-hero h1 { font-size: clamp(40px, 6.4vw, 68px); margin: 14px 0 20px; }
.sc-hero .lead { max-width: 640px; margin: 0 auto 36px; }
.sc-squiggle {
  text-decoration: underline wavy var(--danger);
  text-decoration-thickness: 2px;
  text-underline-offset: 8px;
  text-decoration-skip-ink: none;
}

.sc-form { max-width: 640px; margin: 0 auto; text-align: left; }
.sc-field {
  display: flex;
  gap: 8px;
  padding: 6px;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  background: var(--surface);
  box-shadow: var(--shadow);
}
.sc-field:focus-within { border-color: var(--action); }
.sc-field input {
  flex: 1;
  min-width: 0;
  border: 0;
  background: transparent;
  padding: 0 18px;
  font: 500 18px var(--font-body);
  color: var(--fg);
  border-radius: 999px;
}
.sc-field input:focus { outline: none; }
.sc-field input[aria-invalid="true"] { color: var(--danger); }
.sc-hint { margin-top: 14px !important; text-align: center; color: var(--muted); font-size: 15px; }
.sc-error { margin-top: 14px !important; text-align: center; color: var(--danger); font-weight: 600; font-size: 15px; }

.sc-features { padding: 24px 0 0; }
.sc-feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.sc-feature { border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; background: var(--surface); }
.sc-feature h2 { font-size: 19px; margin-bottom: 10px; color: var(--accent); }
.sc-feature p { color: var(--muted); font-size: 15.5px; }

/* ── report ──────────────────────────────────────────────────────────── */
.sc-report { max-width: 900px; padding-top: 56px; }
.sc-report-head h1 { font-size: clamp(30px, 4.6vw, 44px); margin: 10px 0 6px; overflow-wrap: anywhere; }
.sc-report-url:hover { color: var(--accent); }
.sc-report-meta { color: var(--muted); font-size: 15px; }

.sc-status {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px 12px;
  margin: 28px 0;
  padding: 18px 22px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--inset);
}
.sc-status span { color: var(--muted); }
.sc-status-done { background: var(--accent-soft); border-color: color-mix(in oklch, var(--accent) 30%, white); }
.sc-status-done strong { color: var(--accent); }
.sc-status-failed { background: var(--danger-soft); border-color: color-mix(in oklch, var(--danger) 30%, white); }
.sc-status-failed strong { color: var(--danger); }
.sc-spinner {
  width: 18px; height: 18px; flex: none;
  border: 2.5px solid var(--line-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: sc-spin .8s linear infinite;
}
@keyframes sc-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .sc-spinner { animation-duration: 3s; } }

.sc-pages { display: grid; gap: 18px; }
.sc-page { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); overflow: hidden; }
.sc-page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; padding: 18px 22px; }
.sc-page-head h2 { font-size: 19px; line-height: 1.25; }
.sc-page-url { font-family: var(--font-mono); font-size: 13px; color: var(--muted) !important; overflow-wrap: anywhere; }
.sc-page-url:hover { color: var(--accent) !important; }
.sc-count {
  flex: none;
  font-size: 13px;
  font-weight: 600;
  padding: 4px 11px;
  border-radius: 999px;
  background: var(--danger-soft);
  color: var(--danger);
}
.sc-count-clean { background: var(--accent-soft); color: var(--accent); }

.sc-issues { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.sc-issue { padding: 16px 22px 16px 26px; border-bottom: 1px solid var(--line); position: relative; }
.sc-issue:last-child { border-bottom: 0; }
.sc-issue::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: var(--line-strong); }
.sc-issue-high::before { background: var(--danger); }
.sc-issue-medium::before { background: var(--warn); }
.sc-kind { font-size: 12px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.sc-excerpt { margin-top: 4px !important; font-size: 17px; }
.sc-excerpt mark {
  background: var(--danger-soft);
  color: var(--danger);
  font-weight: 600;
  padding: 0 2px;
  border-radius: 3px;
  text-decoration: underline wavy var(--danger);
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
  text-decoration-skip-ink: none;
}
.sc-suggestion { margin-top: 4px !important; color: var(--accent); font-weight: 600; }
.sc-arrow { margin-right: 6px; }
.sc-explanation { margin-top: 4px !important; color: var(--muted); font-size: 15px; }

.sc-report-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 32px; }

/* ── about ───────────────────────────────────────────────────────────── */
.sc-prose { max-width: 720px; padding-top: 56px; }
.sc-prose h1 { font-size: clamp(34px, 5vw, 48px); margin: 10px 0 24px; }
.sc-prose h2 { font-size: 24px; margin: 36px 0 12px; }
.sc-prose p { margin-bottom: 14px; color: #33333a; }
.sc-prose a:not(.btn) { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; }
.sc-prose code { font-family: var(--font-mono); font-size: .88em; background: var(--inset); padding: 2px 6px; border-radius: 5px; }
.sc-prose pre { background: var(--inset); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 14px 18px; overflow-x: auto; }
.sc-prose pre code { background: none; padding: 0; }

.sc-visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* ── small screens ───────────────────────────────────────────────────── */
@media (max-width: 900px) {
  .sc-feature-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .sc-hero { padding: 48px 0 40px; }
  .sc-field { flex-direction: column; border-radius: var(--radius); }
  .sc-field input { padding: 12px 14px; }
  .sc-feature-grid { grid-template-columns: 1fr; }
  .sc-page-head { flex-direction: column; gap: 8px; padding: 16px; }
  .sc-issue { padding: 14px 16px 14px 20px; }
  .cn-navlink-site { display: none; }
  .cn-lockup svg { width: 26px; height: 26px; }
  .cn-lockup-name { font-size: 21px; }
  .cn-lockup-sub { font-size: 10px; }
}

/* ── site-wide findings ──────────────────────────────────────────────── */
.sc-findings { margin-bottom: 28px; border-color: color-mix(in oklch, var(--warn) 35%, white); }
.sc-findings-intro { color: var(--muted); font-size: 15px; margin-top: 4px !important; }
.sc-count-warn { background: var(--warn-soft); color: var(--warn); }
.sc-finding-summary { margin-top: 4px !important; font-size: 17px; }
.sc-quotes { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 4px; }
.sc-quotes li { color: var(--muted); font-size: 15px; overflow-wrap: anywhere; }
.sc-quote-path { font-family: var(--font-mono); font-size: 13px; color: var(--fg); margin-right: 6px; }
.sc-section-title { font-size: 22px; margin: 8px 0 14px; }
.sc-note { margin: 0 0 24px !important; padding: 14px 18px; border-radius: var(--radius-sm); background: var(--inset); color: var(--muted); font-size: 15px; }

/* ── feedback ────────────────────────────────────────────────────────── */
.sc-feedback {
  margin: 0 0 28px;
  padding: 24px 28px;
  border-radius: var(--radius);
  background: var(--accent-soft);
  border: 1px solid color-mix(in oklch, var(--accent) 25%, white);
}
.sc-feedback .eyebrow { color: var(--accent); }
.sc-feedback h2 { font-size: 24px; margin: 8px 0 8px; }
.sc-feedback-lead { color: #33333a; margin-bottom: 18px !important; }
.sc-feedback-form textarea, .sc-feedback-form input[type=email] {
  width: 100%;
  font: 400 16px/1.5 var(--font-body);
  color: var(--fg);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.sc-feedback-form textarea { resize: vertical; min-height: 110px; }
.sc-feedback-form textarea:focus, .sc-feedback-form input:focus { outline: 3px solid color-mix(in oklch, var(--action) 35%, transparent); border-color: var(--action); }
.sc-feedback-row { display: flex; align-items: flex-end; gap: 12px; margin-top: 12px; }
.sc-feedback-email { flex: 1; display: grid; gap: 4px; }
.sc-feedback-email label { font-size: 14px; color: var(--muted); font-weight: 500; }
.sc-feedback .sc-error { text-align: left; }
.sc-feedback-thanks { display: flex; flex-wrap: wrap; align-items: baseline; gap: 4px 12px; padding: 14px 22px; }
.sc-feedback-thanks h2 { font-size: 17px; margin: 0; color: var(--accent); }
.sc-feedback-thanks p { color: #33333a; font-size: 15px; }
.sc-honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
@media (max-width: 600px) {
  .sc-feedback { padding: 20px 16px; }
  .sc-feedback-row { flex-direction: column; align-items: stretch; }
}