:root{
  --bg:#f5f6f3;--surface:#ffffff;--surface2:#f0f1ed;--line:#e1e3dc;--line2:#cfd3c9;
  --ink:#15191a;--ink2:#4c5552;--ink3:#7a837f;
  --accent:#0f6b5c;--accent-ink:#ffffff;--accent-soft:#e3f0ec;
  --good:#1f7a4d;--good-bg:#e5f3ea;--warn:#9a6200;--warn-bg:#fbf1dc;--bad:#b4362c;--bad-bg:#fbe7e4;
  --radius:14px;--ff:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--fm:ui-monospace,SFMono-Regular,Menlo,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#0f1211;--surface:#171b1a;--surface2:#1e2321;--line:#2a302e;--line2:#3a413e;
  --ink:#eef1ef;--ink2:#b5bdb9;--ink3:#86908b;
  --accent:#3cb49b;--accent-ink:#06120f;--accent-soft:#16302a;
  --good:#5cc98f;--good-bg:#14291d;--warn:#e7b04f;--warn-bg:#2d2312;--bad:#f07a6e;--bad-bg:#331a17;color-scheme:dark;
}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 var(--ff);min-height:100vh;display:flex;flex-direction:column}
main{flex:1;padding-top:28px;padding-bottom:48px}
.wrap{width:min(1080px,100%);margin:0 auto;padding-left:20px;padding-right:20px}
h1{font-size:1.75rem;line-height:1.2;letter-spacing:-.02em;margin:0 0 10px}
h2{font-size:1.1rem;margin:0 0 10px;letter-spacing:-.01em}
h3{font-size:.98rem;margin:16px 0 8px}
p{margin:0 0 10px}
a{color:var(--accent)}
.muted{color:var(--ink2)}
.hint{color:var(--ink3);font-size:.82rem;margin:6px 0 0}
.small{font-size:.85rem}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;background:var(--surface);padding:8px 12px;border-radius:8px;z-index:10}
.skip:focus{left:12px}
[hidden]{display:none!important}

/* header */
.top{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top-in{display:flex;align-items:center;justify-content:space-between;height:60px;gap:12px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-weight:700;font-size:1.06rem;letter-spacing:-.01em}
.mk-shelf{fill:var(--ink)}.mk-arrow{fill:var(--accent)}
.top-nav{display:flex;align-items:center;gap:12px;min-width:0}
.who{color:var(--ink2);font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:220px}
.chip{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:99px;background:var(--surface2);border:1px solid var(--line);font-size:.78rem;font-weight:600;color:var(--ink2);white-space:nowrap}
.chip.good{background:var(--good-bg);color:var(--good);border-color:transparent}
.chip.warn{background:var(--warn-bg);color:var(--warn);border-color:transparent}
.chip.bad{background:var(--bad-bg);color:var(--bad);border-color:transparent}

/* controls */
.btn{appearance:none;border:1px solid var(--line2);background:var(--surface);color:var(--ink);font:600 .92rem var(--ff);padding:10px 16px;border-radius:10px;cursor:pointer;transition:background .15s,border-color .15s,transform .06s;display:inline-flex;align-items:center;justify-content:center;gap:8px}
.btn:hover{background:var(--surface2)}
.btn:active{transform:scale(.985)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.primary:hover{filter:brightness(1.07)}
.btn.ghost{background:transparent}
.btn.sm{padding:6px 11px;font-size:.82rem}
.btn.wide{width:100%}
.btn[disabled]{opacity:.55;cursor:default}
.link{appearance:none;background:none;border:0;padding:0;color:var(--accent);font:inherit;cursor:pointer;text-decoration:underline;text-underline-offset:2px}
.btn:focus-visible,.link:focus-visible,input:focus-visible,.tabs button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
label{display:block;font-size:.82rem;font-weight:600;color:var(--ink2);margin:14px 0 6px}
input{width:100%;height:44px;border:1px solid var(--line2);border-radius:10px;background:var(--surface);color:var(--ink);padding:0 13px;font:inherit}
input::placeholder{color:var(--ink3)}
input.code{letter-spacing:.35em;font:600 1.2rem var(--fm);text-align:center}
.err{color:var(--bad);font-size:.85rem;margin:10px 0 0;min-height:1em}
.err:empty{display:none}
.flash{margin:0 0 18px;padding:11px 14px;border-radius:10px;background:var(--accent-soft);color:var(--ink);font-size:.9rem}
.flash.bad{background:var(--bad-bg);color:var(--bad)}

.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:18px}

/* sign in */
.auth{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:start;padding-top:24px}
.auth-copy h1{font-size:2.2rem}
.auth-copy p{font-size:1.02rem;color:var(--ink2);max-width:520px}
.ticks{list-style:none;padding:0;margin:20px 0 0}
.ticks li{position:relative;padding-left:26px;margin:8px 0;color:var(--ink2)}
.ticks li::before{content:"";position:absolute;left:4px;top:.45em;width:10px;height:6px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}
.auth-card{padding:26px}
.tabs{display:flex;gap:4px;background:var(--surface2);border:1px solid var(--line);border-radius:12px;padding:4px;overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tabs button{flex:1 0 auto;appearance:none;border:0;background:none;padding:8px 14px;border-radius:9px;font:600 .88rem var(--ff);color:var(--ink2);cursor:pointer;white-space:nowrap}
.tabs button[aria-selected="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.ts{margin:16px 0 4px;min-height:0}
#f-auth .btn.wide,#f-code .btn.wide,#f-forgot .btn.wide{margin-top:16px}
#a-forgot,#c-back,#r-back{display:block;margin:12px auto 0}

/* start a run */
.hero h1{font-size:1.5rem}
.run-form{display:flex;gap:10px;margin-top:16px}
.run-form input{height:50px;font-size:1rem}
.run-form .btn{height:50px;padding:0 26px;font-size:1rem}
.sec{margin:28px 0 12px}
.runs{display:grid;gap:10px}
.run-item{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:14px 16px;cursor:pointer;text-align:left;width:100%;font:inherit;color:inherit}
.run-item:hover{border-color:var(--line2)}
.run-item .asin{font:600 .95rem var(--fm)}
.run-item .when{color:var(--ink3);font-size:.82rem;margin-left:auto;white-space:nowrap}

/* one run */
.run-head{display:flex;gap:18px;align-items:flex-start;margin:16px 0 18px}
.run-head img{width:84px;height:84px;object-fit:contain;background:#fff;border:1px solid var(--line);border-radius:10px;flex:none}
.run-head h1{font-size:1.25rem;margin:2px 0 6px}
.meta{display:flex;flex-wrap:wrap;gap:6px 14px;color:var(--ink2);font-size:.85rem}
.progress{padding:8px 24px}
.ph{display:grid;grid-template-columns:28px 1fr;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.ph:last-child{border-bottom:0}
.ph-dot{width:22px;height:22px;border-radius:50%;border:2px solid var(--line2);margin-top:2px;display:flex;align-items:center;justify-content:center}
.ph.now .ph-dot{border-color:var(--accent);border-top-color:transparent;animation:spin .9s linear infinite}
.ph.done .ph-dot{background:var(--good);border-color:var(--good)}
.ph.done .ph-dot::after{content:"";width:8px;height:5px;border-left:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(-45deg) translate(1px,-1px)}
.ph.fail .ph-dot{background:var(--bad);border-color:var(--bad)}
.ph.skip .ph-dot{border-style:dashed}
.ph-t{font-weight:600}
.ph-i{color:var(--ink2);font-size:.86rem}
@keyframes spin{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion:reduce){.ph.now .ph-dot{animation:none;border-top-color:var(--accent)}}

.res-tabs{margin-bottom:16px}
.res-tabs button{flex:0 0 auto}
.res-body .card{padding:22px}
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:18px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px}
.stat .k{font-size:.78rem;color:var(--ink3);font-weight:600}
.stat .v{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;margin-top:2px}
.stat .s{font-size:.8rem;color:var(--ink2)}
.field{border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:12px;background:var(--surface)}
.field-h{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:8px}
.field-h b{font-size:.88rem}
.field-h .n{color:var(--ink3);font-size:.78rem;font-weight:500;margin-left:6px}
.field-t{white-space:pre-wrap;word-break:break-word}
.before{color:var(--ink3);font-size:.86rem;border-top:1px dashed var(--line);margin-top:10px;padding-top:8px;white-space:pre-wrap}
.list{margin:0;padding-left:20px}
.list li{margin:5px 0}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:.88rem}
th{text-align:left;font-size:.76rem;color:var(--ink3);font-weight:700;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.comp{display:grid;grid-template-columns:64px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.comp:last-child{border-bottom:0}
.comp img{width:64px;height:64px;object-fit:contain;background:#fff;border-radius:8px;border:1px solid var(--line)}
.issue{border-left:3px solid var(--line2);padding:8px 12px;margin:10px 0;background:var(--surface2);border-radius:0 8px 8px 0}
.issue.high{border-left-color:var(--bad)}.issue.medium{border-left-color:var(--warn)}.issue.low{border-left-color:var(--ink3)}
.slot{display:grid;grid-template-columns:110px 1fr;gap:14px;padding:14px 0;border-bottom:1px solid var(--line)}
.slot:last-child{border-bottom:0}
.slot img{width:110px;height:110px;object-fit:contain;background:#fff;border-radius:8px;border:1px solid var(--line)}
.row-between{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.row-between input{max-width:260px;height:38px}
.grid-form{display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;gap:10px;align-items:end}
.grid-form label{margin:0}
.grid-form label input{margin-top:6px}
.grid-form .btn{height:44px}
.actions{display:flex;gap:8px;flex-wrap:wrap;margin:6px 0 16px}

.foot{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding-top:20px;padding-bottom:28px;color:var(--ink3);font-size:.8rem;border-top:1px solid var(--line)}

/* Keyword report: coverage bars, filter buttons and where-used tags (widths set through element.style, never a style attribute) */
.bar{display:block;height:10px;background:var(--surface2);border:1px solid var(--line);border-radius:99px;overflow:hidden}
.bar .fill{display:block;height:100%;background:var(--accent);border-radius:99px}
.bar .fill.old{background:var(--ink3)}
.cov{display:grid;grid-template-columns:130px 1fr 56px;gap:12px;align-items:center;margin:10px 0}
.cov b{text-align:right}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 12px}
.fchip{font:inherit;font-size:.82rem;font-weight:600;padding:5px 12px;border-radius:99px;border:1px solid var(--line2);background:var(--surface);color:var(--ink2);cursor:pointer}
.fchip[aria-pressed="true"]{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.fchip:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.pl{display:inline-block;padding:1px 8px;border-radius:99px;font-size:.76rem;font-weight:600;white-space:nowrap;background:var(--surface2);color:var(--ink2)}
.pl-t,.pl-w{background:var(--good-bg);color:var(--good)}
.pl-b{background:var(--accent-soft);color:var(--accent)}
.pl-m{background:var(--warn-bg);color:var(--warn)}
.pl-x,.pl-n{color:var(--ink3)}
.upd{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);display:flex;gap:12px;align-items:center;background:var(--ink);color:var(--bg);padding:10px 12px 10px 16px;border-radius:12px;box-shadow:0 6px 24px rgba(0,0,0,.18);z-index:50;font-size:.9rem;max-width:calc(100% - 32px)}
/* New listing images gallery */
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-top:6px}
.gal-item{margin:0;display:flex;flex-direction:column;gap:8px}
.gal-img{aspect-ratio:1/1;border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden;display:flex;align-items:center;justify-content:center}
.gal-img img{width:100%;height:100%;object-fit:contain;display:block}
.gal-wait{color:#7a837f;font-size:.85rem}
.gal-item figcaption{display:flex;flex-direction:column;gap:6px}
.gal-h{display:flex;gap:8px;align-items:baseline}
.gal-item .btn{align-self:flex-start}
/* ---------- Design from 21st.dev components, ported to plain CSS ----------
   "How It Works Steps" (numbered circles on a connector line), "Insight Cards" (label, mono value, delta pill,
   spark bars, note) and "Radar Score Chart" (gradient-filled polygon). */
.kicker{display:block;font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--ink3);margin-bottom:6px}
.how{margin:56px auto 8px;max-width:980px;text-align:center}
.how h2{font-size:clamp(1.5rem,3.4vw,2.1rem);letter-spacing:-.03em;margin:0 0 34px}
.how-steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;position:relative;counter-reset:none}
.how-steps::before{content:"";position:absolute;left:16.6%;right:16.6%;top:24px;height:1px;background:var(--line2)}
.how-steps li{position:relative;display:flex;flex-direction:column;align-items:center;gap:10px;text-align:center}
.how-n{position:relative;z-index:1;width:48px;height:48px;border-radius:50%;border:1px solid var(--line2);background:var(--bg);display:flex;align-items:center;justify-content:center;font:600 .78rem var(--fm);color:var(--ink2)}
.how-steps h3{margin:4px 0 0;font-size:1rem;letter-spacing:-.01em}
.how-steps p{margin:0;color:var(--ink2);font-size:.9rem;line-height:1.55;max-width:260px}
.how-steps.compact{margin-top:22px;gap:16px;text-align:left}
.how-steps.compact::before{display:none}
.how-steps.compact li{flex-direction:row;align-items:flex-start;text-align:left;gap:10px}
.how-steps.compact .how-n{width:30px;height:30px;flex:none;background:var(--surface2);font-size:.7rem}
.how-steps.compact h3{margin:0;font-size:.88rem}
.how-steps.compact p{font-size:.8rem;max-width:none}
.gets{list-style:none;padding:0;margin:34px 0 0;display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
.gets li{padding:6px 12px;border-radius:99px;background:var(--surface);border:1px solid var(--line);font-size:.82rem;font-weight:600;color:var(--ink2)}
/* Overview score */
.score-hero{display:grid;grid-template-columns:150px 1fr;gap:24px;align-items:center;margin-bottom:18px}
.score-ring{position:relative;width:150px;height:150px}
.ring{width:150px;height:150px;display:block}
.ring-bg{fill:none;stroke:var(--surface2);stroke-width:12}
.ring-fg{fill:none;stroke:var(--accent);stroke-width:12;stroke-linecap:round}
.score-num{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.score-num b{font:700 2.1rem/1 var(--ff);letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.score-num span{font-size:.72rem;color:var(--ink3);margin-top:4px}
.score-copy h2{font-size:1.35rem;letter-spacing:-.02em;margin:0 0 6px}
.ins-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px}
.ins{border:1px solid var(--line);border-radius:12px;padding:14px;background:var(--surface);transition:border-color .15s}
.ins:hover{border-color:var(--line2)}
.ins-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
.ins-k{font-size:.74rem;font-weight:600;color:var(--ink3)}
.ins-v{margin-top:3px;font:600 1.35rem var(--fm);letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.spark{display:flex;align-items:flex-end;gap:3px;height:34px}
.spark span{display:block;width:5px;border-radius:2px;background:var(--line2)}
.spark span.on{background:var(--accent)}
.ins-d{display:inline-block;margin-top:8px;padding:2px 8px;border-radius:99px;font:600 .72rem var(--fm);font-variant-numeric:tabular-nums;background:var(--surface2);color:var(--ink2)}
.ins-d.up{background:var(--good-bg);color:var(--good)}
.ins-n{margin-top:9px;padding-top:9px;border-top:1px solid var(--line);font-size:.78rem;color:var(--ink2);line-height:1.45}
/* Radar of the six review points */
.radar-wrap{display:flex;justify-content:center}
.radar{width:100%;max-width:520px;height:auto;overflow:visible}
.rd-grid{fill:none;stroke:var(--line);stroke-dasharray:3 3}
.rd-axis{stroke:var(--line)}
.rd-s1{stop-color:var(--accent);stop-opacity:.42}
.rd-s2{stop-color:var(--accent);stop-opacity:.08}
.rd-new{fill:url(#rd-fill);stroke:var(--accent);stroke-width:2.5;stroke-linejoin:round}
.rd-old{fill:none;stroke:var(--ink3);stroke-width:1.5;stroke-dasharray:5 4}
.rd-dot{fill:var(--surface);stroke:var(--accent);stroke-width:2.5}
.rd-lab{font:600 12px var(--ff);fill:var(--ink2)}
.legend{display:flex;gap:14px;font-size:.78rem;color:var(--ink2)}
.lg::before{content:"";display:inline-block;width:14px;height:3px;border-radius:2px;margin-right:6px;vertical-align:middle;background:var(--accent)}
.lg-old::before{background:transparent;border-top:2px dashed var(--ink3);height:0}
/* Plan panel, A+ option, A+ images, admin ledger */
.run-opts{display:flex;flex-wrap:wrap;gap:10px 18px;align-items:center;margin-top:10px}
.addon{display:inline-flex;gap:8px;align-items:center;font-size:.9rem;cursor:pointer}
.addon input{width:auto;height:auto;margin:0}
.plan-box{display:flex;flex-wrap:wrap;gap:6px 16px;margin-top:12px;padding:10px 12px;border-radius:10px;background:var(--surface2);font-size:.86rem;color:var(--ink2)}
.plan-box b{color:var(--ink)}
.plan-warn{color:var(--warn);font-weight:600}
.ap-pic{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.ap-img{width:100%;max-width:640px;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#fff}
.ap-img img{width:100%;height:100%;object-fit:cover;display:block}
.ap-pic .btn{align-self:flex-start}
.row-btns{display:flex;gap:6px}
td.neg{color:var(--bad)} td.pos{color:var(--good)}
@media (max-width:820px){
  .how-steps{grid-template-columns:1fr;gap:22px}.how-steps::before{display:none}
  .score-hero{grid-template-columns:1fr;justify-items:center;text-align:center}
  .gal{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .cov{grid-template-columns:96px 1fr 48px;gap:8px}
  .auth{grid-template-columns:1fr;gap:20px;padding-top:4px}
  .auth-copy h1{font-size:1.7rem}
  .grid-form{grid-template-columns:1fr 1fr}
  .grid-form label:first-child{grid-column:1/-1}
}
@media (max-width:560px){
  .wrap{padding-left:16px;padding-right:16px}
  .card{padding:18px}
  .run-form{flex-direction:column}
  .run-form .btn{width:100%}
  .who{display:none}
  .slot{grid-template-columns:72px 1fr}.slot img{width:72px;height:72px}
  .run-head img{width:64px;height:64px}
}