:root {
  --bg: #f5f5f7;
  --surface: rgba(255,255,255,0.76);
  --surface-strong: rgba(255,255,255,0.92);
  --line: rgba(15,23,42,0.08);
  --line-strong: rgba(15,23,42,0.14);
  --ink: #101828;
  --muted: #667085;
  --muted-2: #98a2b3;
  --accent: #0f172a;
  --accent-soft: #eef2ff;
  --accent-2: #111827;
  --good: #0f172a;
  --shadow: 0 12px 40px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 6px 24px rgba(15, 23, 42, 0.05);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --max: 1560px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(99,102,241,0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(15,23,42,0.05), transparent 22%),
    linear-gradient(180deg, #fafafc 0%, #f3f5f8 100%);
  min-height: 100vh;
}
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.shell {
  width: min(calc(100vw - 32px), var(--max));
  margin: 0 auto;
  padding: 24px 0 48px;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(245,245,247,0.8);
  border-bottom: 1px solid rgba(15,23,42,0.06);
}
.topbar-inner {
  width: min(calc(100vw - 32px), var(--max));
  margin: 0 auto;
  padding: 18px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-mark {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  background: linear-gradient(135deg, #111827, #475467);
  box-shadow: 0 0 0 6px rgba(17,24,39,0.08);
}
.brand h1 {
  font-size: 1.15rem;
  margin: 0;
  font-weight: 650;
  letter-spacing: -0.03em;
}
.brand p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}
.badge-row { display: flex; gap: 10px; flex-wrap: wrap; }
.badge {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255,255,255,0.72);
  border: 1px solid rgba(15,23,42,0.08);
  color: var(--muted);
  font-size: 0.84rem;
  box-shadow: var(--shadow-soft);
}
.hero {
  display: grid;
  grid-template-columns: 1.06fr 0.94fr;
  gap: 22px;
  align-items: start;
  margin-top: 18px;
}
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}
.hero-copy {
  padding: 30px;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.82);
  border: 1px solid rgba(15,23,42,0.08);
  color: var(--muted);
  padding: 8px 12px;
  font-size: 0.83rem;
}
.hero-copy h2 {
  margin: 16px 0 10px;
  font-size: clamp(2rem, 4vw, 3.55rem);
  letter-spacing: -0.055em;
  line-height: 0.95;
}
.hero-copy p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--muted);
  max-width: 64ch;
}
.hero-actions {
  display: flex;
  gap: 12px;
  margin-top: 22px;
  flex-wrap: wrap;
}
.btn, .chip-btn {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.85);
  color: var(--ink);
  border-radius: 999px;
  padding: 12px 16px;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
  box-shadow: var(--shadow-soft);
}
.btn:hover, .chip-btn:hover { transform: translateY(-1px); border-color: var(--line-strong); }
.btn.primary {
  background: var(--accent);
  color: white;
  border-color: transparent;
}
.stats-card {
  padding: 22px;
  display: grid;
  gap: 14px;
}
.stats-card h3 {
  margin: 0;
  font-size: 0.96rem;
  color: var(--muted);
  font-weight: 600;
}
.score-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}
.metric {
  padding: 18px;
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
}
.metric strong {
  display: block;
  font-size: 1.8rem;
  letter-spacing: -0.04em;
}
.metric span { color: var(--muted); font-size: 0.88rem; }
.main-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(400px, 0.72fr);
  gap: 22px;
  align-items: start;
  margin-top: 22px;
}
.left-stack, .right-stack { display: grid; gap: 18px; }
.section {
  padding: 24px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
  margin-bottom: 18px;
}
.section-head h3 {
  margin: 0;
  font-size: 1.18rem;
  letter-spacing: -0.03em;
}
.section-head p {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}
.controls-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
.field-full { grid-column: 1 / -1; }
.field {
  display: grid;
  gap: 7px;
}
.field label {
  font-size: 0.84rem;
  color: var(--muted);
  font-weight: 600;
}
.select, .text-input, .textarea {
  width: 100%;
  border-radius: 16px;
  border: 1px solid rgba(15,23,42,0.1);
  background: rgba(255,255,255,0.96);
  padding: 14px 16px;
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.8);
}
.textarea { min-height: 180px; resize: vertical; }
.segmented { display: flex; gap: 8px; flex-wrap: wrap; }
.seg {
  padding: 11px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.88);
  border: 1px solid rgba(15,23,42,0.08);
  color: var(--muted);
}
.seg input { display: none; }
.seg.active { background: #0f172a; color: white; border-color: transparent; }
.option-list {
  display: grid;
  gap: 12px;
}
.option-item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  align-items: center;
  gap: 12px;
  padding: 14px;
  border-radius: 18px;
  background: rgba(255,255,255,0.88);
  border: 1px solid var(--line);
}
.swatch {
  width: 14px;
  height: 14px;
  border-radius: 999px;
}
.inline-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.criteria-list {
  display: grid;
  gap: 14px;
}
.criteria-card {
  padding: 18px;
  border-radius: 22px;
  background: rgba(255,255,255,0.88);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.criteria-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 12px;
}
.criteria-title {
  border: 0;
  background: transparent;
  width: 100%;
  font-size: 1rem;
  font-weight: 640;
  letter-spacing: -0.02em;
  color: var(--ink);
  padding: 0;
}
.criteria-sub { color: var(--muted); font-size: 0.86rem; margin-top: 4px; }
.slider-grid {
  display: grid;
  gap: 10px;
  margin-top: 16px;
}
.slider-row {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(248,250,252,0.96);
  border: 1px solid rgba(15,23,42,0.06);
}
.slider-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  font-size: 0.88rem;
  margin-bottom: 8px;
}
.range {
  width: 100%;
  accent-color: #111827;
}
.chart-card {
  position: sticky;
  top: 88px;
  padding: 24px;
}
.chart-shell {
  position: relative;
  min-height: 500px;
  padding: 20px;
  border-radius: 28px;
  background:
    radial-gradient(circle at 50% 50%, rgba(99,102,241,0.10), transparent 42%),
    linear-gradient(180deg, rgba(255,255,255,0.92), rgba(248,249,251,0.98));
  border: 1px solid rgba(15,23,42,0.08);
}
.chart-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-size: 0.95rem;
  text-align: center;
  padding: 32px;
}
.legend-note {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 16px;
}
.legend-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.84rem;
  color: var(--muted);
}
.summary-card {
  padding: 20px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.9);
}
.summary-card h4 { margin: 0 0 10px; font-size: 0.98rem; }
.summary-list { margin: 0; padding-left: 18px; color: var(--muted); line-height: 1.6; }
.footer-note {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.88rem;
}
.notes-field { margin-top: 16px; }
.notes-field label { display:block; margin-bottom:8px; font-size:0.84rem; color: var(--muted); }
.notes-textarea { min-height: 112px; resize: vertical; line-height: 1.45; }
.ai-rationale {
  display: grid;
  gap: 12px;
}
.ai-note {
  padding: 14px;
  border-radius: 16px;
  background: rgba(248,250,252,0.96);
  border: 1px solid rgba(15,23,42,0.08);
}
.hidden { display: none !important; }
@media (max-width: 1120px) {
  .hero, .main-grid { grid-template-columns: 1fr; }
  .chart-card { position: static; }
}
@media (max-width: 720px) {
  .shell, .topbar-inner { width: min(calc(100vw - 20px), var(--max)); }
  .hero-copy, .section, .chart-card, .stats-card { padding: 18px; }
  .controls-grid, .score-strip { grid-template-columns: 1fr; }
  .brand p { display: block; }
  .hero-copy h2 { font-size: 2.2rem; }
  .chart-shell { min-height: 360px; }
}


/* polish pass */
:root {
  --bg: #f3f3f0;
  --surface: rgba(255,255,255,0.88);
  --surface-strong: rgba(255,255,255,0.96);
  --line: rgba(15,23,42,0.07);
  --line-strong: rgba(15,23,42,0.16);
  --ink: #0f1720;
  --muted: #5f6b7a;
  --shadow: 0 16px 48px rgba(15, 23, 42, 0.07);
  --shadow-soft: 0 8px 24px rgba(15, 23, 42, 0.04);
  --radius-xl: 30px;
  --radius-lg: 24px;
}
body {
  background: linear-gradient(180deg, #f7f7f5 0%, #f1f2ef 100%);
}
.topbar {
  background: rgba(247,247,245,0.86);
  border-bottom: 1px solid rgba(15,23,42,0.04);
}
.topbar-inner {
  padding: 20px 0 16px;
}
.brand-mark {
  width: 12px; height: 12px; box-shadow: 0 0 0 5px rgba(17,24,39,0.06);
}
.brand h1 { font-size: 1.08rem; font-weight: 700; }
.brand p { font-size: 0.8rem; letter-spacing: -0.01em; }
.shell { padding-top: 18px; }
.hero { grid-template-columns: 1.12fr 0.88fr; gap: 18px; }
.hero-copy { padding: 34px; }
.kicker {
  background: rgba(255,255,255,0.94);
  padding: 7px 12px;
  font-size: 0.76rem;
  letter-spacing: 0.02em;
  text-transform: lowercase;
}
.hero-copy h2 {
  margin-top: 18px;
  font-size: clamp(2.2rem, 4vw, 4rem);
  line-height: 0.92;
}
.hero-copy p { max-width: 36ch; font-size: 1.02rem; line-height: 1.5; }
.btn, .chip-btn {
  background: rgba(255,255,255,0.94);
  padding: 12px 17px;
}
.stats-card { padding: 24px; gap: 16px; }
.stats-card h3 { font-size: 0.9rem; letter-spacing: -0.01em; }
.score-strip { gap: 14px; }
.metric { padding: 20px; border-radius: 20px; }
.metric strong { font-size: 2rem; }
.section { padding: 26px; }
.section-head { margin-bottom: 16px; }
.section-head h3 { font-size: 1.08rem; }
.section-head p { font-size: 0.9rem; }
.select, .text-input, .textarea {
  border-radius: 18px;
  padding: 15px 16px;
}
.seg { border-radius: 16px; padding: 12px 15px; }
.chart-card .section-head { margin-bottom: 12px; }
.chart-shell {
  background: linear-gradient(180deg, rgba(255,255,255,0.82), rgba(248,249,251,0.98));
  border-radius: 28px;
}
.footer-note { margin-top: 14px; color: var(--muted); }
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
}

.strongest-note {
  min-height: 22px;
  margin: 14px 0 6px;
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.strongest-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-soft);
}
.legend-chip.is-strongest {
  border-color: rgba(15,23,42,0.22);
  background: rgba(255,255,255,0.98);
  box-shadow: 0 8px 18px rgba(15, 23, 42, 0.08);
}
.footer-note {
  color: var(--muted);
  font-size: 0.88rem;
  margin-top: 16px;
}


.right-stack { align-self: start; }
.text-input, .select, .textarea { background: rgba(255,255,255,0.96); }
.chart-card canvas { filter: saturate(1.06) contrast(1.04); }


/* v4 polish */
.topbar { background: rgba(247,247,245,0.78); backdrop-filter: blur(20px); }
.brand h1 { font-weight: 800; letter-spacing: -0.04em; }
.brand p { font-weight: 600; color: #6b7280; }
.hero { gap: 20px; margin-top: 12px; }
.hero-copy { padding: 38px; }
.hero-copy h2 { font-size: clamp(2.35rem, 4.3vw, 4.25rem); line-height: 0.9; letter-spacing: -0.07em; margin: 18px 0 12px; }
.hero-copy p { font-size: 1.02rem; line-height: 1.48; color: #5b6574; }
.hero-copy p br + text {}
.kicker { font-weight: 700; }
.panel { box-shadow: 0 18px 54px rgba(15,23,42,0.07); }
.section, .chart-card, .stats-card, .hero-copy { border-radius: 30px; }
.section { padding: 28px; }
.chart-card { top: 84px; padding: 26px; }
.chart-shell { min-height: 520px; padding: 18px; border-radius: 30px; background: radial-gradient(circle at 50% 52%, rgba(99,102,241,0.12), transparent 36%), radial-gradient(circle at 50% 50%, rgba(15,23,42,0.035), transparent 58%), linear-gradient(180deg, rgba(255,255,255,0.94), rgba(247,249,252,0.98)); }
.text-input, .select, .textarea { min-height: 52px; }
.textarea { min-height: 120px; }
.option-item, .criteria-card { border-radius: 20px; }
.criteria-card { padding: 20px; }
.slider-row { padding: 13px 14px; border-radius: 18px; }
.footer-note { margin-top: 14px; font-size: 0.86rem; }
.strongest-note { margin-top: 14px; }
.strongest-chip { display:inline-flex; align-items:center; gap:10px; padding:10px 14px; border-radius:999px; background: rgba(255,255,255,0.95); border:1px solid rgba(15,23,42,0.08); box-shadow: 0 8px 24px rgba(15,23,42,0.04); font-size:0.88rem; font-weight:600; }
.legend-chip.is-strongest { color: #111827; font-weight: 700; }
.legend-chip.is-strongest .swatch { box-shadow: 0 0 0 5px rgba(17,24,39,0.08); }
@media (max-width: 720px) {
  .hero-copy { padding: 24px; }
  .hero-copy h2 { font-size: 2.55rem; }
  .hero-copy p { font-size: 0.96rem; }
  .brand p { display: block !important; }
}


/* boardroom refinement pass */
.chart-shell{min-height:540px;padding:14px 14px 10px;border-radius:32px;background:radial-gradient(circle at 50% 50%, rgba(99,102,241,0.14), transparent 30%),radial-gradient(circle at 50% 50%, rgba(14,165,233,0.08), transparent 48%),linear-gradient(180deg, rgba(255,255,255,0.98), rgba(246,248,252,0.99));border:1px solid rgba(15,23,42,0.06);box-shadow: inset 0 1px 0 rgba(255,255,255,0.9);}
.chart-card canvas{filter:saturate(1.14) contrast(1.08) brightness(1.01);}
.legend-chip{padding:8px 10px;border-radius:999px;background:rgba(255,255,255,0.78);border:1px solid rgba(15,23,42,0.06);}
.footer-note{letter-spacing:-0.01em;}
@media (max-width:720px){.chart-shell{min-height:390px;padding:10px;}}


/* global reference pass */
:root{
  --bg:#f4f6f9;
  --surface:rgba(255,255,255,0.86);
  --surface-strong:rgba(255,255,255,0.975);
  --line:rgba(15,23,42,0.07);
  --line-strong:rgba(15,23,42,0.13);
  --ink:#0f172a;
  --muted:#667085;
  --muted-2:#98a2b3;
  --accent:#101828;
  --shadow:0 22px 60px rgba(15,23,42,0.07);
  --shadow-soft:0 10px 26px rgba(15,23,42,0.045);
  --radius-xl:32px;
  --radius-lg:26px;
  --radius-md:20px;
  --radius-sm:14px;
}

body{
  background:
    radial-gradient(circle at 12% 0%, rgba(99,102,241,0.055), transparent 24%),
    radial-gradient(circle at 100% 0%, rgba(15,23,42,0.042), transparent 19%),
    linear-gradient(180deg, #fbfcfe 0%, #f4f6f9 100%);
}

.shell{padding:22px 0 52px;}
.topbar{
  background:rgba(248,250,252,0.74);
  border-bottom:1px solid rgba(15,23,42,0.05);
}
.topbar-inner{padding:15px 0;}
.brand-mark{
  width:12px;height:12px;
  background:linear-gradient(135deg,#0f172a,#475467);
  box-shadow:0 0 0 7px rgba(15,23,42,0.05);
}
.brand h1{
  font-size:1.12rem;
  font-weight:800;
  letter-spacing:-0.055em;
}
.brand p{
  font-size:.82rem;
  font-weight:650;
  color:#697386;
}

.hero{
  gap:24px;
  align-items:stretch;
  margin-top:14px;
}
.panel{
  background:linear-gradient(180deg, rgba(255,255,255,0.93), rgba(255,255,255,0.84));
  border:1px solid rgba(15,23,42,0.055);
  box-shadow:var(--shadow);
}
.hero-copy{
  padding:42px 42px 38px;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.kicker{
  padding:8px 13px;
  font-size:.78rem;
  font-weight:650;
  color:#6b7280;
  background:rgba(255,255,255,0.86);
  border:1px solid rgba(15,23,42,0.055);
}
.hero-copy h2{
  margin:18px 0 10px;
  font-size:clamp(2.65rem,4.6vw,4.6rem);
  line-height:.88;
  letter-spacing:-0.082em;
}
.hero-copy p{
  margin:0;
  color:#667085;
  font-size:1rem;
  line-height:1.54;
  max-width:31ch;
}
.hero-actions{margin-top:26px;gap:10px;}
.btn,.chip-btn{
  border-radius:999px;
  padding:12px 16px;
  font-weight:675;
  border:1px solid rgba(15,23,42,0.07);
  background:rgba(255,255,255,0.92);
}
.btn.primary{
  background:linear-gradient(180deg,#111827,#0f172a);
  box-shadow:0 12px 24px rgba(15,23,42,0.16);
}
.stats-card{
  padding:24px;
  align-content:start;
}
.stats-card h3{
  font-size:.84rem;
  letter-spacing:.02em;
  text-transform:uppercase;
  color:#7a8296;
}
.score-strip{gap:12px;}
.metric{
  padding:18px 18px 16px;
  border-radius:24px;
  background:linear-gradient(180deg, rgba(255,255,255,0.97), rgba(250,251,253,0.94));
  border:1px solid rgba(15,23,42,0.06);
}
.metric strong{
  font-size:2rem;
  letter-spacing:-0.06em;
}
.metric span{
  font-size:.83rem;
  color:#7a8296;
}

.main-grid{gap:24px;margin-top:24px;}
.left-stack,.right-stack{gap:20px;}
.section{padding:26px;}
.section-head{
  gap:14px;
  margin-bottom:16px;
}
.section-head h3{
  font-size:1.12rem;
  letter-spacing:-0.04em;
}
.section-head p{
  margin-top:4px;
  font-size:.88rem;
  color:#7a8296;
}
.controls-grid{gap:15px;}
.field{gap:8px;}
.field label{
  font-size:.79rem;
  font-weight:700;
  letter-spacing:.012em;
  color:#7a8296;
}
.select,.text-input,.textarea,.criteria-title{
  border-radius:18px;
  border:1px solid rgba(15,23,42,0.09);
  background:rgba(255,255,255,0.97);
  padding:15px 16px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.88), 0 1px 2px rgba(15,23,42,0.03);
}
.text-input::placeholder,.textarea::placeholder{
  color:#98a2b3;
}
.text-input:focus,.select:focus,.textarea:focus,.criteria-title:focus{
  outline:none;
  border-color:rgba(15,23,42,0.16);
  box-shadow:0 0 0 4px rgba(15,23,42,0.042), inset 0 1px 0 rgba(255,255,255,0.88);
}

.option-item,.criteria-card{
  border-radius:22px;
  border:1px solid rgba(15,23,42,0.06);
  background:linear-gradient(180deg, rgba(255,255,255,0.95), rgba(252,252,253,0.9));
}
.option-item{
  padding:15px;
}
.criteria-card{
  padding:18px 18px 16px;
  box-shadow:var(--shadow-soft);
}
.criteria-title{
  font-weight:780;
  letter-spacing:-0.025em;
}
.criteria-sub{
  color:#8b93a6;
  font-size:.81rem;
}
.slider-row{
  border-radius:17px;
  background:rgba(248,250,252,0.92);
  border:1px solid rgba(15,23,42,0.04);
}
.range{
  filter:saturate(1.02);
}

.chart-card{
  position:sticky;
  top:82px;
  padding:24px 24px 20px;
  overflow:hidden;
}
.chart-card::before{
  content:"";
  position:absolute;
  inset:-2px;
  background:
    radial-gradient(circle at 50% 18%, rgba(99,102,241,0.08), transparent 22%),
    linear-gradient(180deg, rgba(255,255,255,0.22), transparent 30%);
  pointer-events:none;
}
.chart-shell{
  position:relative;
  min-height:520px;
  padding:18px;
  border-radius:32px;
  background:
    radial-gradient(circle at 50% 46%, rgba(99,102,241,0.12), transparent 34%),
    radial-gradient(circle at 50% 50%, rgba(15,23,42,0.03), transparent 58%),
    linear-gradient(180deg, rgba(255,255,255,0.985), rgba(248,250,252,0.99));
  border:1px solid rgba(15,23,42,0.065);
  box-shadow:inset 0 1px 0 rgba(255,255,255,0.95), 0 12px 28px rgba(15,23,42,0.048);
  isolation:isolate;
}
.chart-shell::before{
  content:"";
  position:absolute;
  inset:12px;
  border-radius:24px;
  background:
    radial-gradient(circle at center, rgba(255,255,255,0) 42%, rgba(255,255,255,0.16) 56%, rgba(255,255,255,0) 57%),
    radial-gradient(circle at center, rgba(255,255,255,0) 58%, rgba(255,255,255,0.12) 70%, rgba(255,255,255,0) 71%);
  pointer-events:none;
  z-index:0;
}
.chart-shell::after{
  content:"";
  position:absolute;
  inset:12px;
  border-radius:24px;
  border:1px solid rgba(255,255,255,0.72);
  pointer-events:none;
}
#radarChart{
  position:relative;
  z-index:1;
}
.chart-overlay{
  font-size:.94rem;
  color:#8b93a6;
}
.strongest-note{
  min-height:26px;
  margin:16px 0 8px;
  font-size:.92rem;
  font-weight:740;
  letter-spacing:-0.01em;
}
.strongest-chip{
  padding:10px 13px;
  background:rgba(255,255,255,0.96);
  border:1px solid rgba(15,23,42,0.08);
  box-shadow:0 8px 20px rgba(15,23,42,0.05);
}
.legend-note{
  gap:10px;
  margin-top:12px;
}
.legend-chip{
  padding:7px 11px;
  border-radius:999px;
  background:rgba(248,250,252,0.96);
  border:1px solid rgba(15,23,42,0.055);
  color:#667085;
  font-size:.8rem;
  font-weight:560;
}
.legend-chip.is-strongest{
  background:rgba(255,255,255,0.99);
  border-color:rgba(15,23,42,0.13);
  color:#344054;
}
.notes-field{margin-top:18px;}
.notes-field label{
  font-size:.79rem;
  font-weight:700;
  color:#7a8296;
}
.notes-textarea{
  min-height:116px;
  line-height:1.52;
}
.footer-note{
  margin-top:14px;
  font-size:.82rem;
  color:#7a8296;
}

@media (max-width:1120px){
  .hero,.main-grid{grid-template-columns:1fr;}
  .chart-card{position:static;top:auto;}
}
@media (max-width:720px){
  .shell,.topbar-inner{width:min(calc(100vw - 20px), var(--max));}
  .hero-copy{padding:28px 22px 24px;}
  .hero-copy h2{font-size:clamp(2rem, 13vw, 3.2rem);}
  .hero-copy p{line-height:1.48;}
  .chart-shell{min-height:430px;border-radius:26px;}
}


/* final global standard pass */
:root{
  --surface-standard: linear-gradient(180deg, rgba(255,255,255,0.955), rgba(255,255,255,0.885));
}

body{
  letter-spacing: -0.003em;
}

.panel,
.option-item,
.criteria-card,
.metric,
.chart-card{
  background: var(--surface-standard);
}

.hero-copy{
  padding: 44px 44px 40px;
}
.hero-copy h2{
  letter-spacing: -0.086em;
}
.hero-copy p{
  max-width: 29ch;
  color: #616b7f;
}

.section,
.stats-card,
.chart-card{
  border-color: rgba(15,23,42,0.05);
}

.section-head h3,
.brand h1{
  text-rendering: geometricPrecision;
}

.field label,
.notes-field label,
.stats-card h3{
  letter-spacing: .02em;
}

.text-input, .select, .textarea, .criteria-title{
  border-color: rgba(15,23,42,0.08);
  background: rgba(255,255,255,0.985);
}

.option-item{
  grid-template-columns: 18px minmax(0,1fr);
}

.criteria-card{
  padding: 17px 17px 15px;
}

.chart-card{
  padding: 24px 24px 18px;
}

.chart-shell{
  min-height: 526px;
  background:
    radial-gradient(circle at 50% 46%, rgba(99,102,241,0.115), transparent 33%),
    radial-gradient(circle at 50% 50%, rgba(15,23,42,0.028), transparent 60%),
    linear-gradient(180deg, rgba(255,255,255,0.992), rgba(249,250,252,0.995));
  border-color: rgba(15,23,42,0.058);
}

.chart-shell::before{
  background:
    radial-gradient(circle at center, rgba(255,255,255,0) 41%, rgba(255,255,255,0.17) 55%, rgba(255,255,255,0) 56%),
    radial-gradient(circle at center, rgba(255,255,255,0) 58%, rgba(255,255,255,0.11) 69%, rgba(255,255,255,0) 70%);
}

.strongest-note{
  margin: 18px 0 10px;
}

.strongest-chip{
  width: 100%;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 14px;
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.99), rgba(248,250,252,0.97));
  border: 1px solid rgba(15,23,42,0.07);
  box-shadow:
    0 10px 24px rgba(15,23,42,0.045),
    inset 0 1px 0 rgba(255,255,255,0.85);
}

.strongest-chip .swatch{
  width: 12px;
  height: 12px;
  box-shadow: 0 0 0 6px rgba(15,23,42,0.04);
}
.strongest-chip span:last-child{
  flex: 1;
  color: #0f172a;
}

.legend-note{
  margin-top: 10px;
}
.legend-chip{
  background: rgba(249,250,251,0.98);
}

.footer-note{
  color: #7a8296;
}

@media (max-width: 720px){
  .hero-copy{
    padding: 30px 22px 26px;
  }
  .chart-shell{
    min-height: 438px;
  }
  .strongest-chip{
    border-radius: 16px;
  }
}