@property --p{syntax:'<number>';initial-value:0;inherits:true}
:root{
  --bg:#f7f5f0; --card:#fff; --ink:#15140f; --ink2:#5f5b51; --line:rgba(21,20,15,.09); --fill:rgba(21,20,15,.06);
  --gold:#e6b45a; --gold2:#d89a3c; --coral:#e96f51;
  --human:#2b8a63; --mixed:#c77f12; --mach:#d4472a;
  --track:rgba(21,20,15,.08);
  --shadow:0 1px 2px rgba(21,20,15,.04),0 12px 40px -12px rgba(21,20,15,.16);
  --sans:"Instrument Sans",-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
  --ease:cubic-bezier(.22,1,.36,1);
  --serif:"Newsreader","Iowan Old Style","Palatino Linotype",Georgia,serif;
  --paper:#fffdf8; --grammar:#4f7de0; --clarity:#8a63d2; --wording:#1f9aa8;
}
:root[data-theme=dark]{
  --bg:#0e0d0a; --card:#171612; --ink:#f5f1e7; --ink2:#a9a393; --line:rgba(245,241,231,.1); --fill:rgba(245,241,231,.08);
  --human:#4cc596; --mixed:#f0b04a; --mach:#ff7a5c; --track:rgba(245,241,231,.1);
  --shadow:0 1px 2px rgba(0,0,0,.3),0 16px 48px -16px rgba(0,0,0,.6); --paper:#1b1a15; --grammar:#7da2ff; --clarity:#b394f5; --wording:#4fd0dc;
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --bg:#0e0d0a; --card:#171612; --ink:#f5f1e7; --ink2:#a9a393; --line:rgba(245,241,231,.1); --fill:rgba(245,241,231,.08);
  --human:#4cc596; --mixed:#f0b04a; --mach:#ff7a5c; --track:rgba(245,241,231,.1);
  --shadow:0 1px 2px rgba(0,0,0,.3),0 16px 48px -16px rgba(0,0,0,.6); --paper:#1b1a15; --grammar:#7da2ff; --clarity:#b394f5; --wording:#4fd0dc;
}}
*{box-sizing:border-box}
html{background:var(--bg);-webkit-text-size-adjust:100%}
body{margin:0;color:var(--ink);font:400 18px/1.55 var(--sans);background:var(--bg);min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased;position:relative;overflow-x:hidden}
body::after{content:"";position:fixed;inset:0;pointer-events:none;z-index:50;opacity:.05;mix-blend-mode:multiply;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
:root[data-theme=dark] body::after{mix-blend-mode:screen;opacity:.035}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) body::after{mix-blend-mode:screen;opacity:.035}}
.glow{position:absolute;inset:0 0 auto 0;height:760px;overflow:hidden;pointer-events:none;z-index:0}
.glow i{position:absolute;border-radius:50%;filter:blur(90px);opacity:.5}
.g1{width:560px;height:560px;left:55%;top:-200px;background:radial-gradient(circle,var(--gold),transparent 65%)}
.g2{width:480px;height:480px;left:-120px;top:120px;background:radial-gradient(circle,var(--coral),transparent 65%);opacity:.22}
:root[data-theme=dark] .glow i{opacity:.22}:root[data-theme=dark] .g2{opacity:.12}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .glow i{opacity:.22}:root:not([data-theme=light]) .g2{opacity:.12}}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:12px}

.top{position:sticky;top:12px;z-index:20;margin:12px auto 0;width:min(1120px,calc(100% - 24px));display:flex;align-items:center;justify-content:space-between;gap:12px;padding:6px 6px 6px 18px;border-radius:999px;background:color-mix(in srgb,var(--card) 72%,transparent);-webkit-backdrop-filter:saturate(180%) blur(22px);backdrop-filter:saturate(180%) blur(22px);box-shadow:0 0 0 1px var(--line),0 8px 30px -12px rgba(21,20,15,.18)}
.brand{min-height:44px;display:flex;align-items:center;gap:10px;text-decoration:none;color:inherit;flex:none}
.mark{width:26px;height:26px;border-radius:50%;border:3px solid var(--ink);position:relative;display:inline-block}
.mark::after{content:"";position:absolute;left:50%;top:-4px;width:3px;height:26px;border-radius:2px;background:linear-gradient(var(--gold),var(--coral));transform:translateX(-50%) rotate(45deg)}
.word{font-weight:700;font-size:20px;letter-spacing:-.02em}
.word em{font-style:normal;background:linear-gradient(100deg,var(--gold2),var(--coral));-webkit-background-clip:text;background-clip:text;color:transparent}
.tabs{display:flex;gap:2px;padding:3px;border-radius:999px;background:var(--fill);overflow-x:auto;scrollbar-width:none}
.tabs::-webkit-scrollbar{display:none}
.tab{font:500 15px var(--sans);background:none;border:0;min-height:44px;padding:0 16px;border-radius:999px;color:var(--ink2);cursor:pointer;white-space:nowrap;transition:background .25s var(--ease),color .25s var(--ease)}
.tab:hover{color:var(--ink)}
.tab.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(21,20,15,.14)}
.tab i{font-style:normal;font-size:10px;text-transform:uppercase;letter-spacing:.08em;opacity:.55;margin-left:5px}
@media(max-width:640px){.top{flex-wrap:wrap;border-radius:26px;padding:10px 12px}.tabs{width:100%}.tab{flex:1;padding:0 10px}.tab i{display:none}}

main{position:relative;z-index:1;flex:1;width:100%;max-width:1120px;margin:0 auto;padding:clamp(40px,8vw,96px) clamp(16px,4vw,32px) 80px}
.panel{display:none}.panel.on{display:block}
.intro{text-align:center;max-width:860px;margin:0 auto clamp(28px,5vw,48px)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font:600 14px var(--sans);color:var(--ink2);margin:0 0 22px;padding:7px 14px;border-radius:999px;background:var(--card);box-shadow:0 0 0 1px var(--line)}
.eyebrow .dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(var(--gold),var(--coral))}
h1{font:700 clamp(42px,8vw,88px)/1.02 var(--sans);letter-spacing:-.045em;margin:0 0 22px}
.grad{background:linear-gradient(100deg,var(--gold2) 0%,var(--coral) 70%);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:clamp(18px,2.2vw,21px);line-height:1.5;color:var(--ink2);max-width:36em;margin:0 auto;text-wrap:balance}
.intro>*{animation:rise .9s var(--ease) both}.intro>:nth-child(2){animation-delay:.08s}.intro>:nth-child(3){animation-delay:.16s}
.desk{animation:rise .9s var(--ease) .24s both}
@keyframes rise{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

.paper{background:var(--card);border-radius:28px;box-shadow:var(--shadow),0 0 0 1px var(--line);overflow:hidden;transition:box-shadow .3s var(--ease)}
.paper:focus-within{box-shadow:var(--shadow),0 0 0 2px var(--gold)}
textarea{display:block;width:100%;min-height:260px;max-height:60vh;resize:vertical;border:0;outline:0;background:transparent;font:400 18px/1.7 var(--sans);color:var(--ink);padding:28px 30px 16px}
textarea::placeholder{color:var(--ink2);opacity:.7}
.bar{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:14px 16px 14px 24px;border-top:1px solid var(--line)}
.count{font:500 14px var(--sans);color:var(--ink2);display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.sep{width:1px;height:14px;background:var(--line)}
.health{font:500 14px var(--sans)}.health::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ink2);margin-right:7px;opacity:.5}
.health.up{color:var(--human)}.health.up::before{background:var(--human);opacity:1;box-shadow:0 0 0 4px color-mix(in srgb,var(--human) 22%,transparent)}
.health.down{color:var(--mixed)}.health.down::before{background:var(--mixed);opacity:1}
.acts{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.ghost,.go{font:600 15px var(--sans);border-radius:999px;min-height:44px;padding:0 18px;cursor:pointer;border:0;display:inline-flex;align-items:center;justify-content:center;transition:transform .25s var(--ease),background .2s,box-shadow .25s}
.ghost{background:var(--fill);color:var(--ink)}
.ghost:hover{background:color-mix(in srgb,var(--ink) 11%,transparent)}
.file{position:relative;overflow:hidden}.file input{position:absolute;inset:0;opacity:0;cursor:pointer;font-size:0}
.go{background:linear-gradient(135deg,#f0c26c,var(--gold2));color:#15140f;padding:0 26px;box-shadow:0 6px 18px -6px rgba(216,154,60,.7),inset 0 1px 0 rgba(255,255,255,.5)}
.go:hover{transform:translateY(-1px);box-shadow:0 10px 24px -6px rgba(216,154,60,.8),inset 0 1px 0 rgba(255,255,255,.5)}
.go:active,.ghost:active{transform:scale(.97)}
.go:disabled{opacity:.5;cursor:default;transform:none}
.filemsg{margin:0;padding:10px 24px 14px;font-size:14px;color:var(--ink2);border-top:1px solid var(--line)}
@media(max-width:640px){.bar{padding:12px}.acts{width:100%}.acts>*{flex:1 1 calc(50% - 8px)}.go{flex-basis:100%;order:-1}.count{width:100%;padding-left:6px}}

.trust{list-style:none;margin:28px 0 0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:12px;animation:rise .9s var(--ease) .34s both}
.trust li{padding:18px 20px;border-radius:20px;background:color-mix(in srgb,var(--card) 60%,transparent);box-shadow:0 0 0 1px var(--line)}
.trust b{display:block;font-weight:650;font-size:17px;margin-bottom:4px}
.trust span{font-size:16px;color:var(--ink2);line-height:1.45;display:block}
@media(max-width:760px){.trust{grid-template-columns:1fr}}

.result{margin-top:56px;animation:rise .8s var(--ease) both}
.strip-wrap{margin-bottom:20px;background:var(--card);border-radius:28px;padding:22px 26px 20px;box-shadow:var(--shadow),0 0 0 1px var(--line)}
.strip-head{display:flex;justify-content:space-between;font:600 13px var(--sans);color:var(--ink2);margin-bottom:14px;gap:8px;flex-wrap:wrap}
.key{display:inline-flex;align-items:center;gap:6px}
.key b{display:inline-block;width:10px;height:10px;border-radius:50%;margin:0 2px 0 10px}
.k-h{background:var(--human)}.k-m{background:var(--mixed)}.k-a{background:var(--mach)}
.strip{display:flex;gap:3px;height:52px}
.strip i{display:block;min-width:4px;border-radius:8px;background:var(--track);cursor:pointer;transform-origin:bottom;animation:grow .7s var(--ease) both;transition:filter .15s,transform .2s var(--ease)}
.strip i.human{background:var(--human)}.strip i.mixed{background:var(--mixed)}.strip i.machine{background:var(--mach)}
.strip i:hover,.strip i.hl{filter:brightness(1.12);transform:scaleY(1.14)}
@keyframes grow{from{transform:scaleY(.05);opacity:0}to{transform:none;opacity:1}}
.deepbar{margin:14px 0 0;font:500 14px var(--sans);color:var(--ink2);min-height:1.4em}
.deepbar.work::before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--gold2);margin-right:8px;animation:pulse 1s infinite alternate}
.deepbar.ok{color:var(--human)}
@keyframes pulse{from{opacity:.25}to{opacity:1}}

.grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:20px;align-items:start}
@media(max-width:940px){.grid{grid-template-columns:1fr}}
.verdict{--c:var(--ink);display:flex;gap:30px;align-items:center;margin-bottom:20px;flex-wrap:wrap;padding:28px 30px;border-radius:28px;box-shadow:var(--shadow),0 0 0 1px var(--line);background:color-mix(in srgb,var(--c) 7%,var(--card))}
.verdict[data-v=human]{--c:var(--human)}.verdict[data-v=mixed]{--c:var(--mixed)}.verdict[data-v=machine]{--c:var(--mach)}
.stamp{position:relative;flex:none;width:168px;height:168px;border-radius:50%;display:grid;place-content:center;text-align:center;background:conic-gradient(from 0deg,var(--c) calc(var(--p)*1%),var(--track) 0);transition:--p 1.3s var(--ease)}
.stamp::before{content:"";position:absolute;inset:14px;border-radius:50%;background:color-mix(in srgb,var(--c) 7%,var(--card))}
.stamp>*{position:relative}
.stamp span{font:700 46px/1 var(--sans);letter-spacing:-.04em;color:var(--c)}
.stamp small{font:600 12px var(--sans);letter-spacing:.04em;color:var(--ink2);margin-top:6px}
.vtext{flex:1;min-width:240px}
.vtext h2{font:700 clamp(28px,4vw,40px)/1.08 var(--sans);letter-spacing:-.035em;margin:0 0 10px;color:var(--c)}
.vtext p{margin:0;color:var(--ink2);font-size:18px;max-width:34em}

.doc{font:400 19px/1.85 var(--sans);background:var(--card);border-radius:28px;padding:30px clamp(20px,3.4vw,40px);box-shadow:var(--shadow),0 0 0 1px var(--line);white-space:pre-wrap;overflow-wrap:anywhere}
.s{border-radius:6px;padding:2px 3px;margin:0 -3px;cursor:pointer;transition:background .2s,box-shadow .2s;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.s.human{background:color-mix(in srgb,var(--human) 14%,transparent)}
.s.mixed{background:color-mix(in srgb,var(--mixed) 20%,transparent)}
.s.machine{background:color-mix(in srgb,var(--mach) 20%,transparent)}
.s:hover,.s.hl{background:color-mix(in srgb,var(--ink) 13%,transparent)}
.s.on{box-shadow:0 0 0 2px var(--ink)}
.note{--c:var(--ink);margin-top:14px;background:var(--card);padding:18px 22px;border-radius:22px;font-size:17px;box-shadow:var(--shadow),inset 4px 0 0 var(--c)}
.note[data-l=human]{--c:var(--human)}.note[data-l=mixed]{--c:var(--mixed)}.note[data-l=machine]{--c:var(--mach)}
.note b{font-weight:650;font-size:18px}
.note ul{margin:8px 0 0;padding-left:20px;color:var(--ink2)}

.side{display:grid;gap:14px;position:sticky;top:92px}
@media(max-width:940px){.side{position:static}}
@media(max-width:560px){.verdict{flex-direction:column;justify-content:center;text-align:center;padding:24px 20px;gap:20px}.vtext{min-width:0}.vtext p{margin:0 auto}}
.card{background:var(--card);border-radius:24px;padding:22px 24px;box-shadow:var(--shadow),0 0 0 1px var(--line)}
.card h3{font:650 14px var(--sans);letter-spacing:.01em;color:var(--ink2);margin:0 0 14px}
.card.plain{background:transparent;box-shadow:0 0 0 1px var(--line)}
.small{font-size:15px;line-height:1.5;color:var(--ink2);margin:12px 0 0}
.nums{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:0}
.nums div{margin:0}.nums dt{font-size:14px;color:var(--ink2)}.nums dd{margin:0;font:650 30px/1.15 var(--sans);letter-spacing:-.03em}
.rhythm{display:flex;align-items:flex-end;gap:2px;height:56px;margin-top:18px}
.rhythm i{flex:1;background:linear-gradient(var(--gold),var(--coral));opacity:.85;border-radius:3px;min-height:3px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chips span{font:500 15px var(--sans);background:color-mix(in srgb,var(--mach) 12%,transparent);border-radius:999px;padding:4px 12px}
.chips span b{font-weight:700;margin-left:6px;color:var(--mach)}
.soon{padding:60px 0;max-width:34em;margin:0 auto;text-align:center}.soon h2{font:700 clamp(36px,6vw,56px)/1.05 var(--sans);letter-spacing:-.04em;margin:0 0 14px}.soon p{font-size:19px;color:var(--ink2)}
.foot{position:relative;z-index:1;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:22px clamp(16px,4vw,48px);border-top:1px solid var(--line);font:500 13px var(--sans);color:var(--ink2)}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important}}

.paper.drag{box-shadow:var(--shadow),0 0 0 2px var(--gold),0 0 0 8px color-mix(in srgb,var(--gold) 25%,transparent)}

.op{display:flex;justify-content:space-between;gap:12px;margin:0 0 8px;font-size:16px}.op b{font-weight:600}.op span{color:var(--ink2);text-align:right}
.op b{white-space:nowrap}.op span{font-size:15px}

/* ---- Feedback and Polish ---- */
.wh{margin-top:28px;display:grid;gap:14px;animation:rise .7s var(--ease) both}
.wh .card h3{margin-top:0}
.wh .lead{font-size:20px;line-height:1.5;margin:0}
.wh ul{margin:0;padding-left:20px;display:grid;gap:8px}
.wh .two{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(max-width:720px){.wh .two{grid-template-columns:1fr}}
.wh .pt{padding:16px 18px;border-radius:18px;background:var(--fill)}
.wh .pt b{display:block;margin-bottom:4px}
.wh .pt span{display:block;color:var(--ink2);font-size:16px}
.wh .pt em{display:block;font-style:normal;margin-top:8px;font-size:16px}
.sug{background:var(--card);border-radius:22px;padding:18px 20px;box-shadow:var(--shadow),0 0 0 1px var(--line);transition:opacity .3s}
.sug.used{opacity:.5}
.sug .tag{display:inline-block;font:600 12px var(--sans);letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:999px;background:var(--fill);color:var(--ink2);margin-bottom:10px}
.sug del{display:block;color:var(--mach);text-decoration-thickness:1.5px;font-size:17px;margin-bottom:6px}
.sug ins{display:block;text-decoration:none;color:var(--human);font-size:17px;font-weight:500}
.sug p{margin:10px 0 0;color:var(--ink2);font-size:16px}
.sug .acts2{margin-top:14px;display:flex;gap:8px;flex-wrap:wrap}
.sug .ghost{min-height:38px;font-size:14px}
.sug mark{border-radius:5px;padding:0 3px;color:inherit}
.sug mark.d{background:color-mix(in srgb,var(--mach) 18%,transparent)}
.sug mark.a{background:color-mix(in srgb,var(--human) 20%,transparent)}

/* ---- examples row ---- */
.examples{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 10px;margin-top:16px;font:500 15px var(--sans);color:var(--ink2)}
.chip{font:600 14px var(--sans);min-height:40px;padding:0 16px;border-radius:999px;border:0;background:var(--card);color:var(--ink);cursor:pointer;box-shadow:0 0 0 1px var(--line);transition:transform .25s var(--ease),box-shadow .25s}
.chip:hover{transform:translateY(-1px);box-shadow:0 0 0 1px var(--gold),0 6px 16px -8px rgba(216,154,60,.6)}
.chip:active{transform:scale(.97)}

.tag.ok{background:color-mix(in srgb,var(--human) 18%,transparent);color:var(--human)}.tag.warn{background:color-mix(in srgb,var(--mixed) 20%,transparent);color:var(--mixed)}.tag.bad{background:color-mix(in srgb,var(--mach) 18%,transparent);color:var(--mach)}.tag.mute{background:var(--fill);color:var(--ink2)}
.cite .raw{font-weight:600;margin:6px 0 4px}.cite a{color:inherit}

.pend{display:flex;gap:14px;align-items:center;margin:14px 0 4px;padding:14px 16px;border:1px solid var(--gold2);border-radius:14px;background:rgba(240,176,80,.10);position:relative;overflow:hidden}
.pend b{display:block;font:700 16px var(--sans);color:var(--ink)}.pend span:not(.spin){display:block;font:500 14px var(--sans);color:var(--ink2);margin-top:2px}
.pend .spin{flex:none;width:22px;height:22px;border-radius:50%;border:3px solid var(--gold2);border-right-color:transparent;animation:spin 0.9s linear infinite}
.pend::after{content:"";position:absolute;left:0;bottom:0;height:3px;width:35%;background:var(--gold2);animation:slide 1.6s ease-in-out infinite alternate}
@keyframes spin{to{transform:rotate(360deg)}}@keyframes slide{from{left:0}to{left:65%}}
.result.pending .grid,.result.stale .grid{opacity:.45;filter:saturate(.3);transition:opacity .3s}
.result.pending .stamp::after{content:"quick guess";display:block;font:600 11px var(--sans);letter-spacing:.06em;text-transform:uppercase;text-align:center;margin-top:4px;color:var(--ink2)}
@media (prefers-reduced-motion:reduce){.pend .spin,.pend::after{animation:none}}

.pend[hidden]{display:none}

.tour-btn{position:fixed;right:18px;bottom:18px;z-index:50;font:600 14px var(--sans);min-height:44px;padding:0 18px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--ink);box-shadow:var(--shadow);cursor:pointer}
.tour-btn:hover{transform:translateY(-1px)}
.tour-card{position:fixed;left:50%;bottom:18px;transform:translateX(-50%);z-index:60;width:min(520px,calc(100vw - 24px));padding:18px 20px;border-radius:20px;background:var(--card);color:var(--ink);border:1px solid var(--line);box-shadow:0 20px 60px -12px rgba(0,0,0,.35)}
.tour-card[hidden],.tour-btn[hidden]{display:none}
.tour-card h2{font:700 20px var(--sans);margin:2px 0 6px}.tour-card p{margin:0 0 8px;font:500 15px/1.5 var(--sans);color:var(--ink2)}
.tour-card .tour-step{font:600 12px var(--sans);letter-spacing:.06em;text-transform:uppercase;color:var(--gold2);margin:0}
.tour-card .tour-tip{font-size:13px}.tour-acts{display:flex;gap:8px;align-items:center;margin-top:10px}.tour-sp{flex:1}
.tab.tour-hl{outline:2px solid var(--gold2);outline-offset:2px}
@media(max-width:640px){.tour-btn{right:12px;bottom:12px}}

.tour-card [hidden]{display:none}.tour-acts .ghost,.tour-acts .go{white-space:nowrap;flex:none}


/* ================= v8: the wide workspace ================= */
.top{width:min(1840px,calc(100% - 24px))}
.themebtn{flex:none;width:44px;height:44px;border-radius:50%;border:0;background:var(--fill);color:var(--ink);display:grid;place-items:center;cursor:pointer;transition:transform .3s var(--ease),background .2s}
.themebtn:hover{background:color-mix(in srgb,var(--ink) 11%,transparent);transform:rotate(14deg)}
.themebtn .i-sun{display:none}
:root[data-theme=dark] .themebtn .i-sun{display:block}:root[data-theme=dark] .themebtn .i-moon{display:none}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .themebtn .i-sun{display:block}:root:not([data-theme=light]) .themebtn .i-moon{display:none}}
@media(max-width:640px){.brand{margin-right:auto}.themebtn{order:2}.tabs{order:3}}

main.ws{max-width:none;width:min(1840px,100%);margin:0 auto;padding:18px clamp(12px,2vw,28px) 20px;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(400px,.9fr);gap:20px;height:calc(100vh - 150px);height:calc(100dvh - 150px);min-height:620px}
.ws-ed{display:flex;flex-direction:column;min-width:0;min-height:0}
.ed-card{flex:1;display:flex;flex-direction:column;min-height:0;background:var(--paper);border-radius:24px}
.ed-tools{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:8px 14px 8px 26px;min-height:52px;border-bottom:1px solid var(--line);font:500 14px var(--sans);color:var(--ink2)}
.legend{display:inline-flex;align-items:center;gap:6px 8px;flex-wrap:wrap}
.lg{display:inline-block;width:12px;height:12px;border-radius:4px;background:color-mix(in srgb,var(--c) 38%,transparent);box-shadow:inset 0 -3px 0 var(--c);margin-left:10px}.lg:first-child{margin-left:0}
.nav{display:inline-flex;align-items:center;gap:4px}.nav[hidden]{display:none}
.nav button{width:36px;height:36px;border-radius:50%;border:0;background:var(--fill);color:var(--ink);font:600 22px/1 var(--sans);cursor:pointer;padding:0 0 3px}
.nav button:hover{background:color-mix(in srgb,var(--gold) 35%,transparent)}
.nav span{min-width:92px;text-align:center;font-weight:600;color:var(--ink)}
.edbox{position:relative;flex:1;min-height:0}
#in,.ed-back{position:absolute;inset:0;width:100%;height:100%;margin:0;box-sizing:border-box;padding:30px clamp(24px,3.4vw,64px) 40px;font:400 clamp(18px,.5vw + 15px,21px)/1.85 var(--serif);letter-spacing:0;word-spacing:0;white-space:pre-wrap;overflow-wrap:anywhere;word-break:normal;tab-size:4;border:0;overflow-x:hidden;overflow-y:auto;scrollbar-gutter:stable}
#in{z-index:1;min-height:0;max-height:none;resize:none;background:transparent;color:var(--ink);caret-color:var(--gold2);outline:0;scrollbar-width:thin}
#in::placeholder{font-style:italic;color:var(--ink2);opacity:.75}
.ed-back{z-index:0;color:transparent;pointer-events:none;scrollbar-width:thin}
.ed-back mark.hl{color:transparent;--k:var(--c,var(--ink2));background:color-mix(in srgb,var(--k) 24%,transparent);border-radius:.28em;box-shadow:0 0 0 .1em color-mix(in srgb,var(--k) 24%,transparent);-webkit-box-decoration-break:clone;box-decoration-break:clone;transition:background .2s}
.ed-back mark.hl.on{background:color-mix(in srgb,var(--k) 46%,transparent);box-shadow:0 0 0 .1em color-mix(in srgb,var(--k) 46%,transparent),0 .2em 0 .02em var(--k)}
.hl.human,.lg.human{--c:var(--human)}.hl.mixed,.lg.mixed{--c:var(--mixed)}.hl.machine,.lg.machine{--c:var(--mach)}
.hl.fb,.lg.fb{--c:var(--gold2)}.hl.src,.lg.src{--c:var(--mixed)}
.hl.ok,.lg.ok{--c:var(--human)}.hl.warn,.lg.warn{--c:var(--mixed)}.hl.bad,.lg.bad{--c:var(--mach)}.hl.mute{--c:var(--ink2)}
.hl.spelling,.lg.spelling{--c:var(--mach)}.hl.grammar,.lg.grammar{--c:var(--grammar)}.hl.clarity,.lg.clarity{--c:var(--clarity)}.hl.wording,.lg.wording{--c:var(--wording)}
.ed-card .bar{background:color-mix(in srgb,var(--ink) 2%,transparent)}
.ws-ed .examples{justify-content:flex-start;margin-top:12px}

.pop{position:absolute;z-index:5;width:min(350px,calc(100% - 20px));background:var(--card);color:var(--ink);border-radius:16px;padding:14px 16px;box-shadow:0 18px 50px -12px rgba(0,0,0,.4),0 0 0 1px var(--line);font:500 15px/1.45 var(--sans);animation:rise .25s var(--ease) both}
.pop[hidden]{display:none}
.pop b{display:block;font-weight:650;margin-bottom:4px}.pop b span{font-weight:500;color:var(--ink2);font-size:13px;margin-left:6px}
.pop .pt-human{color:var(--human)}.pop .pt-mixed{color:var(--mixed)}.pop .pt-machine{color:var(--mach)}
.pop ul{margin:6px 0 0;padding-left:18px;color:var(--ink2);font-size:14px}
.pop p{margin:6px 0 0;color:var(--ink2);font-size:14px}.pop p.tr{color:var(--ink)}
.pop .tag,.sug .tag{display:inline-block;font:600 12px var(--sans);letter-spacing:.06em;text-transform:uppercase;padding:3px 10px;border-radius:999px;background:var(--fill);color:var(--ink2);margin-bottom:8px}
.tag.spelling{background:color-mix(in srgb,var(--mach) 16%,transparent);color:var(--mach)}.tag.grammar{background:color-mix(in srgb,var(--grammar) 16%,transparent);color:var(--grammar)}.tag.clarity{background:color-mix(in srgb,var(--clarity) 16%,transparent);color:var(--clarity)}.tag.wording{background:color-mix(in srgb,var(--wording) 16%,transparent);color:var(--wording)}
.pop del{display:block;color:var(--mach);font-size:15px;margin-bottom:4px}.pop ins{display:block;text-decoration:none;color:var(--human);font-weight:500;font-size:15px}
.pop mark{border-radius:5px;padding:0 3px;color:inherit}.pop mark.d{background:color-mix(in srgb,var(--mach) 18%,transparent)}.pop mark.a{background:color-mix(in srgb,var(--human) 20%,transparent)}
.pop .acts2{margin-top:10px;display:flex;gap:8px}.pop .ghost{min-height:36px;font-size:14px}

.ws-side{min-width:0;min-height:0;overflow-y:auto;padding:2px 8px 28px 2px;scrollbar-width:thin;scroll-behavior:smooth}
.tool{display:none}.tool.on{display:block;animation:rise .5s var(--ease) both}
.tool-head{margin:6px 0 20px}
.tool-head .eyebrow{margin:0 0 14px;font-size:13px;padding:6px 12px}
.tool-head h1{font:500 clamp(30px,2.5vw,44px)/1.08 var(--serif);letter-spacing:-.02em;margin:0 0 12px}
.tool-head .grad{font-style:italic}
.tool-head .lede{margin:0;max-width:none;text-align:left;font-size:16px;line-height:1.55;text-wrap:pretty}
.ws-side .trust{grid-template-columns:1fr;gap:8px;margin:18px 0 0;animation:none}
.ws-side .trust li{padding:12px 16px;border-radius:16px;display:flex;gap:12px;align-items:baseline}.ws-side .trust b{flex:none;font-size:15px;margin:0}.ws-side .trust span{font-size:14px}
#panel-scan.has .trust{display:none}
.ws-side .result{margin-top:4px}
.ws-side .strip-wrap{padding:16px 18px;border-radius:20px}
.ws-side .strip{height:44px}
.res-body{display:grid;gap:14px}
.ws-side .verdict{margin:0;padding:20px 22px;gap:20px;border-radius:22px}
.ws-side .stamp{width:128px;height:128px}.ws-side .stamp::before{inset:11px}.ws-side .stamp span{font-size:34px}
.ws-side .vtext{min-width:180px}.ws-side .vtext h2{font:600 28px/1.1 var(--serif);letter-spacing:-.01em}.ws-side .vtext p{font-size:15px}
.ws-side .note{margin:0;font-size:15px;border-radius:18px}
.ws-side .card{border-radius:20px;padding:18px 20px}
.result.pending .res-body,.result.stale .res-body{opacity:.45;filter:saturate(.3);transition:opacity .3s}
.strip i.on{outline:2px solid var(--ink);outline-offset:2px}
.ws-side .wh{margin-top:14px}
.wh .stack{display:grid;gap:10px}
.wh .pt{position:relative;padding-left:48px}
.wh .pt .num{position:absolute;left:14px;top:14px;width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font:700 13px var(--sans);background:color-mix(in srgb,var(--gold) 55%,transparent);color:var(--ink)}
.wh .pt small{display:block;margin-top:8px;font-size:13px;color:var(--ink2)}
.wh .pt span.num{display:grid;margin:0;color:var(--ink);font-size:13px}
[data-mid]:not([data-mid=""]){cursor:pointer;transition:box-shadow .2s}
.wh .pt.on,.sug.on,.wh li.on{box-shadow:0 0 0 2px var(--gold2)}
.wh .tops{display:grid;gap:6px}.wh .tops .acts2{margin-top:6px}
.wh .sug{padding:16px 18px}
.ws-side .deepbar{margin:0 0 4px}.strip-wrap .deepbar{margin-top:12px}

.ws.solo{grid-template-columns:1fr}.ws.solo .ws-ed{display:none}

@media(max-width:980px){
  main.ws{display:block;height:auto;min-height:0;padding-top:12px}
  .ed-card{display:block}
  .edbox{height:52vh;min-height:320px;flex:none}
  .ws-side{overflow:visible;margin-top:22px;padding:0;scroll-margin-top:130px}
  .ed-tools{padding-left:18px}
}
@media(max-width:560px){.ws-side .verdict{flex-direction:column;text-align:center}.ws-side .vtext{min-width:0}}

/* ---- v9: tour button in the header, quiet footer, privacy page ---- */
.top .tabs{margin:0 auto}
.top .tour-btn{position:static;flex:none;min-height:44px;padding:0 16px;border-radius:999px;border:0;background:linear-gradient(135deg,#f0c26c,var(--gold2));color:#15140f;font:600 14px var(--sans);box-shadow:inset 0 1px 0 rgba(255,255,255,.5);margin-right:6px;cursor:pointer;white-space:nowrap}
.top .tour-btn:hover{transform:translateY(-1px)}
.top .tour-btn.on{box-shadow:0 0 0 3px color-mix(in srgb,var(--gold) 45%,transparent)}
.tour-btn .t-short{display:none}
@media(max-width:1180px){.tour-btn .t-long{display:none}.tour-btn .t-short{display:inline}}
@media(max-width:640px){.top .tour-btn{order:2;min-height:44px}}
.foot{align-items:center;font:500 13px var(--sans)}
.foot a{color:inherit;text-decoration-color:color-mix(in srgb,var(--ink2) 50%,transparent);text-underline-offset:3px}.foot a:hover{color:var(--ink)}
.foot i{font-style:normal;opacity:.5;margin:0 4px}
.legal{position:relative;z-index:1;flex:1;width:min(720px,100%);margin:0 auto;padding:40px clamp(18px,4vw,32px) 60px}
.legal h1{font:500 clamp(34px,5vw,48px)/1.1 var(--serif);letter-spacing:-.02em;margin:0 0 10px}
.legal h2{font:650 18px var(--sans);margin:30px 0 6px}
.legal p,.legal li{font-size:17px;color:var(--ink2);line-height:1.6;margin:6px 0}
.legal ul{padding-left:20px}
.legal .updated{font-size:14px}
.legal a{color:var(--ink)}

/* ---- v10: welcome inside the empty editor ---- */
.welcome{position:absolute;inset:0;z-index:2;padding:clamp(28px,5vh,56px) clamp(24px,3.4vw,64px) 24px;pointer-events:none;overflow:hidden;display:flex;flex-direction:column;align-items:flex-start;animation:rise .7s var(--ease) both}
.welcome[hidden]{display:none}
.welcome h2{font:500 clamp(32px,3.3vw,54px)/1.07 var(--serif);letter-spacing:-.025em;margin:0 0 14px;max-width:15em;text-wrap:balance}
.welcome h2 em{font-style:italic;background:linear-gradient(100deg,var(--gold2),var(--coral));-webkit-background-clip:text;background-clip:text;color:transparent}
.w-kick{font:700 12px var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--gold2);margin:0 0 10px}
.w-sub{font:400 clamp(17px,1.2vw + 8px,20px)/1.5 var(--serif);color:var(--ink2);margin:0;max-width:30em}
.w-marker{margin-top:clamp(18px,3.5vh,34px);padding-top:clamp(16px,3vh,28px);border-top:1px solid var(--line);width:min(34em,100%)}
.w-go{margin:clamp(18px,3.5vh,32px) 0 0;font:italic 400 17px var(--serif);color:var(--ink2);opacity:.8}
@media(max-width:560px){.w-go{display:none}.welcome h2{font-size:30px}}

/* ---- v10: report dialog, download button ---- */
.linkbtn{font:inherit;color:inherit;background:none;border:0;padding:0;cursor:pointer;text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--ink2) 50%,transparent);text-underline-offset:3px}.linkbtn:hover{color:var(--ink)}
.rep{width:min(460px,calc(100vw - 24px));border:0;border-radius:22px;padding:24px;background:var(--card);color:var(--ink);box-shadow:0 30px 80px -20px rgba(0,0,0,.5),0 0 0 1px var(--line)}
.rep::backdrop{background:rgba(0,0,0,.5);backdrop-filter:blur(3px)}
.rep h2{font:500 28px/1.1 var(--serif);margin:0 0 6px}.rep p{margin:0 0 12px;color:var(--ink2);font-size:16px}
.rep textarea{width:100%;min-height:110px;max-height:260px;resize:vertical;border-radius:14px;background:var(--fill);padding:14px 16px;font:400 16px/1.5 var(--sans);color:var(--ink);border:0;outline:0}
.rep textarea:focus{box-shadow:0 0 0 2px var(--gold)}
.rep .chk{display:flex;gap:10px;align-items:flex-start;margin:12px 0;font-size:15px;color:var(--ink2);cursor:pointer}.rep .chk input{margin-top:4px;width:18px;height:18px;accent-color:var(--gold2)}
.rep .rep-msg{min-height:1.3em;font-size:14px;margin:0 0 10px}.rep-msg.ok{color:var(--human)}
.rep-acts{display:flex;justify-content:flex-end;gap:8px}
.ghost[hidden],.go[hidden]{display:none}

.legal details{border-bottom:1px solid var(--line);padding:14px 0}
.legal summary{cursor:pointer;font:600 18px var(--sans);color:var(--ink);list-style:none;display:flex;justify-content:space-between;gap:12px}
.legal summary::-webkit-details-marker{display:none}
.legal summary::after{content:"+";font-weight:400;font-size:24px;line-height:1;color:var(--gold2)}
.legal details[open] summary::after{content:"\2212"}
.legal details p{margin:10px 0 2px}

/* ---- v10: footer note ---- */
.foot-note{flex-basis:100%;font-size:12px;opacity:.75}