/* YEA Site Audit — "Soft Glass" (per YEA_DESIGN_SYSTEM.md) */

:root {
  /* Match Content Radar: Google Sans (airy/rounded), Inter fallback. */
  --font-sans: "Google Sans Flex", "Google Sans", Inter, -apple-system, "system-ui", "Segoe UI", sans-serif;
  --font-serif: "Google Sans Flex", "Google Sans", Inter, -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, Menlo, monospace;

  --brand-orange: #F05A28;
  --brand-amber: #F5A820;
  --brand-teal: #2CC4C4;
  --grad-brand: linear-gradient(90deg, #F05A28, #F5A820, #2CC4C4);
  --grad-cta: linear-gradient(135deg, #F05A28 0%, #F5A820 100%);
  --page-wash: linear-gradient(145deg, #f0eeff 0%, #fdf9f7 45%, #fff5fa 100%);

  --text: #1A1410;
  --text-2: #6B6B66;
  --text-muted: #9B9A97;
  --surface: #FAFAF9;
  --border: #E3E3E1;
  --danger: #A83D3D;

  --r-chip: 6px; --r-input: 14px; --r-card: 20px; --r-modal: 24px; --r-pill: 100px;

  --glass-bg: rgba(255, 255, 255, 0.55);
  --glass-border: 1.5px solid rgba(255, 255, 255, 0.85);
  --glass-blur: blur(24px);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.06), 0 2px 8px rgba(0,0,0,0.03), inset 0 1px 0 rgba(255,255,255,0.9);

  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:20px; --s-6:24px; --s-8:32px; --s-12:48px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background: var(--page-wash);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.55;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }

/* ambient brand glow (content-radar feel, YEA palette) */
.aurora {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; overflow: hidden;
}
.aurora::before {
  content: ""; position: absolute; left: 50%; top: -10%;
  width: 90vw; height: 70vh; transform: translateX(-50%);
  background: radial-gradient(60% 60% at 50% 30%, rgba(245,168,32,0.22), rgba(240,90,40,0.14) 38%, rgba(44,196,196,0.10) 64%, transparent 75%);
  filter: blur(90px);
  animation: glow-in 1.1s cubic-bezier(.2,0,0,1) both;
}
@keyframes glow-in { from { opacity: 0; transform: translateX(-50%) scale(.85); } to { opacity: 1; transform: translateX(-50%) scale(1); } }

::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-thumb { background: var(--grad-brand); border-radius: 99px; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- header ---------- */
.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px clamp(16px, 5vw, 48px);
  max-width: 1120px; margin: 0 auto;
}
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.brand-logo { height: 26px; width: auto; display: block; }
.brand-tag { font-size: 14px; font-weight: 600; color: var(--text-2); letter-spacing: -0.005em; }
.header-right { display: flex; align-items: center; gap: 12px; }

.lang-toggle {
  display: flex; gap: 2px; padding: 3px; border-radius: var(--r-pill);
  background: rgba(255,255,255,0.6); border: 1px solid var(--border); backdrop-filter: blur(8px);
}
.lang-btn {
  border: none; background: transparent; cursor: pointer;
  font: 600 12px var(--font-mono); letter-spacing: 0.06em; color: var(--text-muted);
  padding: 5px 12px; border-radius: var(--r-pill);
}
.lang-btn.is-active { background: var(--text); color: #fff; }

/* ---------- buttons ---------- */
.btn-primary {
  padding: 10px 20px; border-radius: var(--r-pill); border: none; white-space: nowrap;
  background: var(--grad-cta); color: #fff; font: 600 14px var(--font-sans); letter-spacing: -0.005em;
  box-shadow: 0 3px 14px rgba(240,90,40,0.4); cursor: pointer; transition: transform .15s, box-shadow .15s;
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(240,90,40,0.45); }
.btn-primary:disabled { opacity: .6; cursor: default; transform: none; }
.btn-ghost {
  padding: 8px 16px; border-radius: var(--r-pill); text-decoration: none;
  background: rgba(255,255,255,0.6); border: 1px solid var(--border);
  color: var(--text); font: 500 13px var(--font-sans); backdrop-filter: blur(8px); cursor: pointer;
}
.btn-ghost:hover { border-color: var(--brand-orange); color: var(--brand-orange); }

/* ---------- hero ---------- */
/* top selector bar */
.tab-bar { display: flex; justify-content: center; padding: 10px 16px 0; }
.tabs {
  display: grid; grid-template-columns: 1fr 1fr; gap: 4px; width: 360px; max-width: 92vw; padding: 5px;
  border-radius: var(--r-pill); background: var(--glass-bg); border: var(--glass-border);
  backdrop-filter: var(--glass-blur); box-shadow: var(--glass-shadow);
}
.tab {
  border: none; background: transparent; cursor: pointer; color: var(--text-2); text-align: center;
  padding: 10px 0; border-radius: var(--r-pill); transition: all .18s;
  font: 600 14.5px var(--font-sans); letter-spacing: -0.005em;
}
.tab.is-active { background: var(--text); color: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.18); }

.hero { max-width: 820px; margin: 0 auto; padding: clamp(24px,5vw,52px) clamp(16px,5vw,48px) 40px; text-align: center; }
.eyebrow { font: 600 11px var(--font-sans); letter-spacing: 0.16em; text-transform: uppercase; color: var(--text-muted); }
.hero-title {
  font-family: var(--font-sans); font-weight: 600; font-size: clamp(36px, 6.4vw, 64px);
  line-height: 1.05; letter-spacing: -0.025em; margin: 16px 0 0;
}
.grad-text { background: var(--grad-brand); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-sub { font-size: clamp(15px,2.2vw,18px); color: var(--text-2); max-width: 600px; margin: 18px auto 0; }

/* search */
.search { margin: 26px auto 0; max-width: 600px; }
.input-pill {
  display: flex; align-items: center; gap: 8px; padding: 8px 8px 8px 18px;
  background: rgba(255,255,255,0.72); border: var(--glass-border); border-radius: var(--r-pill);
  backdrop-filter: var(--glass-blur);
  box-shadow: 0 8px 32px rgba(0,0,0,0.07), inset 0 1px 0 rgba(255,255,255,0.9);
  transition: box-shadow .2s;
}
.input-pill:focus-within { box-shadow: 0 0 0 2px var(--brand-orange), 0 10px 30px rgba(240,90,40,0.18); }
.input-globe { color: var(--brand-orange); font-size: 18px; }
#urlInput {
  flex: 1; border: none; outline: none; background: transparent;
  font: 500 16px var(--font-sans); color: var(--text); padding: 6px 0;
}
#urlInput::placeholder { color: var(--text-muted); }
.search-hint { font-size: 12.5px; color: var(--text-muted); margin-top: 12px; }
.trust { margin-top: 28px; font-size: 12.5px; color: var(--text-muted); }

/* ---------- loading ---------- */
.loading { max-width: 560px; margin: 40px auto; text-align: center; padding: 40px 24px; }
.loader-ring {
  width: 48px; height: 48px; margin: 0 auto 20px; border-radius: 50%;
  border: 3px solid rgba(240,90,40,0.15); border-top-color: var(--brand-orange);
  animation: spin .9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
.loader-text { font-size: 15px; color: var(--text-2); font-weight: 500; }
.loader-steps { margin-top: 14px; font: 500 12px var(--font-mono); color: var(--text-muted); letter-spacing: 0.02em; min-height: 18px; }

/* ---------- error ---------- */
.error-box { max-width: 520px; margin: 40px auto; text-align: center; padding: 28px;
  background: var(--glass-bg); border: var(--glass-border); border-radius: var(--r-card); backdrop-filter: var(--glass-blur); box-shadow: var(--glass-shadow); }
.error-box p { color: var(--danger); font-weight: 500; margin: 0 0 16px; }

/* ---------- results ---------- */
.results { max-width: 920px; margin: 0 auto; padding: 8px clamp(16px,5vw,48px) 64px; display: flex; flex-direction: column; gap: 20px; }
.glass-card {
  background: var(--glass-bg); backdrop-filter: var(--glass-blur); -webkit-backdrop-filter: var(--glass-blur);
  border: var(--glass-border); border-radius: var(--r-card); box-shadow: var(--glass-shadow); padding: var(--s-6);
}
.card-eyebrow { font: 600 11px var(--font-sans); letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 10px; }
.card-title { font-family: var(--font-sans); font-size: 24px; font-weight: 600; letter-spacing: -0.015em; margin: 0 0 6px; }

/* score hero */
.score-hero { display: flex; align-items: center; gap: 28px; flex-wrap: wrap; }
.score-ring { position: relative; width: 132px; height: 132px; flex-shrink: 0; }
.score-ring svg { transform: rotate(-90deg); }
.score-ring .ring-num {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center;
}
.ring-num b { font-size: 38px; font-weight: 700; line-height: 1; }
.ring-num small { font: 600 10px var(--font-mono); letter-spacing: 0.1em; color: var(--text-muted); }
.score-meta { flex: 1; min-width: 240px; }
.score-domain { font-size: 13px; color: var(--text-muted); font-family: var(--font-mono); }
.band-chip { display: inline-block; margin-top: 6px; padding: 5px 14px; border-radius: var(--r-pill); font: 600 13px var(--font-sans); color: #fff; }
.score-line { margin-top: 12px; font-size: 14px; color: var(--text-2); }
.score-actions { display: flex; gap: 10px; margin-top: 16px; flex-wrap: wrap; }

/* dimensions strip */
.dim-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.dim-card { padding: 16px; border-radius: 16px; background: rgba(255,255,255,0.5); border: 1px solid rgba(255,255,255,0.7); cursor: pointer; transition: transform .15s; }
.dim-card:hover { transform: translateY(-2px); }
.dim-label { font: 600 11px var(--font-sans); letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-2); }
.dim-score { font-size: 30px; font-weight: 700; margin-top: 6px; line-height: 1; }
.dim-bar { height: 5px; border-radius: 99px; background: rgba(0,0,0,0.06); margin-top: 10px; overflow: hidden; }
.dim-bar > i { display: block; height: 100%; border-radius: 99px; }

/* citation card */
.cite-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 8px; }
.cite-col { padding: 18px; border-radius: 16px; }
.cite-col.today { background: linear-gradient(135deg,#f5f5f5,#ebebeb); }
.cite-col.could { background: linear-gradient(135deg,#fff0ea,#ffe4d6); }
.cite-col h4 { margin: 0 0 10px; font: 600 11px var(--font-mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-2); }
.cite-col p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--text); }
.cite-col mark { background: linear-gradient(transparent 55%, rgba(245,168,32,0.5) 55%); color: inherit; padding: 0 1px; border-radius: 2px; }
.cite-col.could ph, .cite-col.could .ph { background: rgba(240,90,40,0.12); color: var(--brand-orange); border-radius: 4px; padding: 0 4px; font-weight: 600; }
.cite-gap { margin-top: 14px; font-size: 13.5px; color: var(--text-2); padding: 12px 14px; background: rgba(255,255,255,0.5); border-radius: 12px; border-left: 3px solid var(--brand-orange); }
.cite-unavailable { color: var(--text-muted); font-size: 13.5px; }

/* buyer questions */
.bq-list { display: flex; flex-direction: column; gap: 14px; margin-top: 8px; }
.bq { padding: 16px 18px; border-radius: 16px; background: rgba(255,255,255,0.5); border: 1px solid rgba(255,255,255,0.7); }
.bq-q { font-weight: 600; font-size: 15px; display: flex; gap: 8px; align-items: flex-start; }
.bq-q .q-ico { color: var(--brand-orange); }
.bq-appear { display: inline-block; margin: 10px 0 4px; padding: 3px 10px; border-radius: var(--r-pill); font: 600 11px var(--font-mono); letter-spacing: 0.04em; }
.bq-appear.no { background: rgba(168,61,61,0.12); color: var(--danger); }
.bq-appear.yes { background: rgba(44,196,196,0.16); color: #1a8f8f; }
.bq-answer { font-size: 13.5px; color: var(--text-2); margin: 4px 0; }
.bq-instead { font-size: 13px; color: var(--text); margin-top: 6px; }
.bq-instead b { color: var(--danger); }
.bq-missing { font-size: 12.5px; color: var(--text-muted); margin-top: 8px; font-style: italic; }

/* check rows (four-segment collapsible) */
.checks { display: flex; flex-direction: column; gap: 8px; margin-top: 8px; }
.check { border-radius: 14px; background: rgba(255,255,255,0.5); border: 1px solid rgba(255,255,255,0.7); overflow: hidden; }
.check-head { display: flex; align-items: center; gap: 12px; padding: 13px 16px; cursor: pointer; }
.check-dot { width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0; }
.dot-pass { background: #2CC4C4; }
.dot-partial { background: var(--brand-amber); }
.dot-fail { background: var(--brand-orange); }
.check-title { flex: 1; font-weight: 600; font-size: 14px; }
.check-dim { font: 600 9px var(--font-mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.check-caret { color: var(--text-muted); transition: transform .2s; }
.check.open .check-caret { transform: rotate(180deg); }
.check-body { padding: 0 16px 14px 38px; display: none; }
.check.open .check-body { display: block; }
.check-why { font-size: 13.5px; color: var(--text-2); margin: 0 0 10px; }
.check-tech { font: 500 12px var(--font-mono); color: var(--text); background: rgba(0,0,0,0.04); padding: 8px 10px; border-radius: 8px; line-height: 1.5; }
.check-fix { font-size: 13px; color: var(--text); margin-top: 10px; }
.check-fix b { color: var(--brand-orange); }

/* top fixes */
.fix-list { display: flex; flex-direction: column; gap: 10px; margin-top: 8px; }
.fix { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; border-radius: 14px; background: linear-gradient(135deg,#fff8e6,#ffefc4); }
.fix-rank { font-family: var(--font-serif); font-size: 22px; font-weight: 600; color: var(--brand-orange); line-height: 1; }
.fix-body b { font-size: 14.5px; }
.fix-body p { margin: 4px 0 0; font-size: 13px; color: var(--text-2); }
.fix-gain { margin-left: auto; font: 600 12px var(--font-mono); color: #1a8f8f; white-space: nowrap; }

/* full-audit notice */
.full-notice { font-size: 13px; color: var(--text-2); padding: 14px 16px; border-radius: 14px; background: linear-gradient(135deg,#eaf1ff,#d8e8ff); border-left: 3px solid #4A7FD4; }

/* footer (Content Radar style) */
.site-footer { text-align: center; padding: 48px 16px 56px; }
.built { display: flex; align-items: center; justify-content: center; gap: 9px; font-weight: 600; font-size: 15px; color: var(--text); }
.footer-logo { height: 22px; width: auto; display: block; }
.footer-line { font-size: 13px; color: var(--text-2); margin-top: 6px; }
.footer-line:first-of-type { margin-top: 12px; }

/* responsive */
@media (max-width: 720px) {
  .dim-grid { grid-template-columns: repeat(2, 1fr); }
  .cite-cols { grid-template-columns: 1fr; }
  .input-pill { flex-wrap: wrap; }
  #urlInput { width: 100%; }
  .btn-primary { width: 100%; }
}