/* Layout: a violet "desk" band holds a working reading sheet with the highlights rail beside it; quiet sections below carry how-to, the extension CTA and FAQ. */
:root{
  --bg:#f7f5fc; --surface:#ffffff; --ink:#1c1733; --muted:#5f5878; --line:#e4dff3;
  --violet:#5b35f0; --violet-deep:#2d1a8f; --violet-ink:#ffffff; --band-a:#2b1886; --band-b:#5b35f0; --band-c:#7b5cf6;
  --hl-yellow:#fde68a; --hl-green:#bbf7d0; --hl-blue:#bfdbfe; --hl-pink:#fbcfe8;
  --dot-yellow:#f2b705; --dot-green:#22a55b; --dot-blue:#3b82f6; --dot-pink:#e5488f;
  --note:#fff3b0; --note-ink:#3d3410; --shadow:0 24px 60px -24px rgba(35,18,120,.35);
  --display:"Bricolage Grotesque", "Avenir Next", "Segoe UI", sans-serif;
  --body:"Figtree", "Segoe UI", system-ui, sans-serif;
  --read:"Newsreader", Georgia, "Times New Roman", serif;
  --hand:"Caveat", "Bradley Hand", "Segoe Print", cursive;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]){
  --bg:#110d22; --surface:#1b1630; --ink:#efecfa; --muted:#a9a2c4; --line:#2e2748;
  --violet:#8b6bff; --violet-deep:#c9bbff; --band-a:#1a0f55; --band-b:#3a22b0; --band-c:#5b3fe0;
  --hl-yellow:#7a6514; --hl-green:#1f6a40; --hl-blue:#24508f; --hl-pink:#7c2a55;
  --note:#4a4116; --note-ink:#fff6cc; --shadow:0 24px 60px -24px rgba(0,0,0,.7); color-scheme:dark;}}
:root[data-theme="dark"]{
  --bg:#110d22; --surface:#1b1630; --ink:#efecfa; --muted:#a9a2c4; --line:#2e2748;
  --violet:#8b6bff; --violet-deep:#c9bbff; --band-a:#1a0f55; --band-b:#3a22b0; --band-c:#5b3fe0;
  --hl-yellow:#7a6514; --hl-green:#1f6a40; --hl-blue:#24508f; --hl-pink:#7c2a55;
  --note:#4a4116; --note-ink:#fff6cc; --shadow:0 24px 60px -24px rgba(0,0,0,.7); color-scheme:dark;}

*{box-sizing:border-box}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.55}
.wrap{max-width:1180px;margin:0 auto;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
a{color:inherit}
h1,h2,h3{font-family:var(--display);text-wrap:balance;margin:0;letter-spacing:-.02em}
:focus-visible{outline:3px solid var(--dot-yellow);outline-offset:2px;border-radius:6px}

/* header */
.top{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:18px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;text-decoration:none;color:#fff}
.logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(160deg,#241654,#110a2e);display:grid;place-items:center;position:relative;box-shadow:inset 0 0 0 1px rgba(255,255,255,.12)}
.logo b{font-family:var(--display);font-size:20px;color:#fff;line-height:1}
.logo i{position:absolute;left:9px;bottom:6px;width:6px;height:9px;background:#a78bfa;clip-path:polygon(0 0,100% 0,100% 100%,50% 75%,0 100%)}
.top nav{display:flex;gap:6px;align-items:center}
.top nav a{color:rgba(255,255,255,.82);text-decoration:none;font-size:14px;padding:8px 10px;border-radius:8px}
.top nav a:hover{color:#fff;background:rgba(255,255,255,.1)}
.btn-chrome{display:inline-flex;align-items:center;gap:8px;background:#fff;color:#22125f!important;font-weight:700;border-radius:999px;padding:10px 16px!important;text-decoration:none}

/* band */
.band{background:radial-gradient(120% 90% at 85% 0%, var(--band-c) 0%, transparent 55%),linear-gradient(160deg,var(--band-a),var(--band-b));color:#fff;padding-bottom:56px;overflow:hidden}
.hero{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:end;padding-block:28px 34px}
.eyebrow{font-size:12px;letter-spacing:.14em;text-transform:uppercase;font-weight:700;color:#d9cfff}
.hero h1{font-size:clamp(40px,6.2vw,76px);line-height:.98;font-weight:800;margin-top:12px}
.hero h1 .m{position:relative;white-space:nowrap}
.hero h1 .m::before{content:"";position:absolute;left:-.08em;right:-.08em;bottom:-.04em;height:.26em;border-radius:.12em;z-index:-1;transform:skew(-6deg)}
.hero h1 .m{z-index:0}
.m1::before{background:#f2b705}.m2::before{background:#e5488f}
.hero p{font-size:18px;color:#ece7ff;max-width:46ch;margin:0}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.chip{font-size:13px;font-weight:600;padding:6px 11px;border-radius:999px;background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.18)}


/* hero: markers sweep in once on load */
.hero h1 .m::before{transform-origin:left center;animation:sweep .7s cubic-bezier(.6,.1,.2,1) both}
.m1::before{animation-delay:.25s!important}.m3::before{animation-delay:.75s!important}.m2::before{animation-delay:1.2s!important}
.m3::before{background:#22a55b}
@keyframes sweep{from{transform:skew(-6deg) scaleX(0)}to{transform:skew(-6deg) scaleX(1)}}
.hero{position:relative}
.stk{position:absolute;font:700 21px/1.15 var(--hand);color:#3d3410;padding:12px 14px 16px;border-radius:3px 3px 14px 3px;box-shadow:0 14px 30px rgba(15,5,60,.35);width:150px}
.stk.a{right:0;top:-10px;width:178px;background:#fde68a;transform:rotate(5deg)}
.stk.b{right:200px;top:6px;background:#fbcfe8;transform:rotate(-6deg);width:140px}
.hero-copy{position:relative;padding-top:132px}
/* legend: what each color means, editable */
.legend{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin-top:12px}
.legend label{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);background:var(--bg);border-radius:8px;padding:4px 8px;min-width:0}
.legend i{width:10px;height:10px;border-radius:3px;flex:none}
.legend input{border:0;background:transparent;color:var(--ink);font:600 12px var(--body);width:100%;min-width:0;padding:2px 0}
.legend input:focus{outline:none;border-bottom:1px solid var(--violet)}
/* meter: share of text highlighted */
.meter{padding:10px 16px 12px;border-bottom:1px solid var(--line)}
.meter-top{display:flex;justify-content:space-between;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.meter-top b{color:var(--ink)}
.track{height:8px;border-radius:99px;background:var(--bg);margin-top:6px;overflow:hidden;display:flex}
.track span{height:100%;transition:width .3s}
.meter-note{font-size:12px;margin-top:6px;color:var(--muted)}
.meter-note.warn{color:#d23a6c;font-weight:600}
@media (max-width:900px){.stk{display:none}.hero-copy{padding-top:0}}

/* workspace */
.desk{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:20px;align-items:start}
.sheet{background:var(--surface);color:var(--ink);border-radius:20px;box-shadow:var(--shadow);overflow:hidden;min-width:0}
.sheet-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-bottom:1px solid var(--line);flex-wrap:wrap}
.tabs{display:inline-flex;background:var(--bg);border-radius:999px;padding:4px;gap:2px}
.tabs button{border:0;background:transparent;color:var(--muted);font:600 14px var(--body);padding:7px 14px;border-radius:999px;cursor:pointer}
.tabs button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.bar-actions{display:flex;gap:6px;flex-wrap:wrap}
.ghost{border:1px solid var(--line);background:transparent;color:var(--ink);font:600 13px var(--body);padding:7px 12px;border-radius:10px;cursor:pointer}
.ghost:hover{border-color:var(--violet);color:var(--violet)}
.hint{font-size:13px;color:var(--muted);padding:10px 22px 0;display:flex;gap:8px;align-items:center}
.hint kbd{font:600 11px var(--body);border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:1px 5px;color:var(--ink)}
#reader{font-family:var(--read);font-size:19px;line-height:1.75;padding:14px 26px 30px;max-width:68ch;min-height:420px}
#reader h2{font-family:var(--read);font-weight:500;font-size:30px;letter-spacing:-.01em;margin:6px 0 8px;line-height:1.2}
#reader p{margin:0 0 1em}
#reader ::selection{background:rgba(91,53,240,.22)}
#editor{display:block;width:100%;min-height:440px;border:0;resize:vertical;padding:20px 26px;font:18px/1.7 var(--read);color:var(--ink);background:var(--surface)}
#editor:focus{outline:none}
mark.h{color:inherit;border-radius:3px;padding:.05em .08em;cursor:pointer;box-decoration-break:clone;-webkit-box-decoration-break:clone;transition:filter .15s}
mark.h:hover{filter:saturate(1.4)}
mark.h[data-c="yellow"]{background:var(--hl-yellow)}mark.h[data-c="green"]{background:var(--hl-green)}
mark.h[data-c="blue"]{background:var(--hl-blue)}mark.h[data-c="pink"]{background:var(--hl-pink)}
mark.h.noted{text-decoration:underline dotted 1.5px;text-underline-offset:4px}
mark.h.flash{animation:flash 1s ease}
@keyframes flash{0%,100%{outline:0 solid transparent}30%{outline:3px solid var(--violet);outline-offset:2px}}

/* floating toolbar */
#tool{position:absolute;z-index:20;display:flex;align-items:center;gap:6px;background:#1c1733;color:#fff;border-radius:999px;padding:6px 8px;box-shadow:0 12px 30px rgba(20,10,60,.35);transform:translate(-50%,-100%)}
#tool .sw{width:22px;height:22px;border-radius:50%;border:2px solid rgba(255,255,255,.9);cursor:pointer;padding:0}
#tool .sep{width:1px;height:18px;background:rgba(255,255,255,.25);margin:0 2px}
#tool .tb{border:0;background:transparent;color:#fff;font:600 13px var(--body);cursor:pointer;padding:4px 8px;border-radius:999px}
#tool .tb:hover{background:rgba(255,255,255,.12)}
.sw-yellow{background:var(--dot-yellow)}.sw-green{background:var(--dot-green)}.sw-blue{background:var(--dot-blue)}.sw-pink{background:var(--dot-pink)}

/* side rail */
.rail{background:var(--surface);color:var(--ink);border-radius:20px;box-shadow:var(--shadow);position:sticky;top:calc(env(safe-area-inset-top,0px) + 16px);display:flex;flex-direction:column;max-height:calc(100vh - 32px);min-width:0}
.rail-head{padding:16px 16px 10px;border-bottom:1px solid var(--line)}
.rail-head h2{font-size:18px;display:flex;justify-content:space-between;align-items:center}
.count{font:700 12px var(--body);background:var(--bg);color:var(--violet);padding:3px 9px;border-radius:999px}
.filters{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.filters button{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);background:transparent;color:var(--ink);font:600 12px var(--body);padding:4px 9px;border-radius:999px;cursor:pointer;font-variant-numeric:tabular-nums}
.filters button[aria-pressed="true"]{border-color:var(--violet);background:var(--bg)}
.filters i{width:9px;height:9px;border-radius:50%;display:inline-block}
#list{list-style:none;margin:0;padding:8px;overflow:auto;flex:1;display:flex;flex-direction:column;gap:6px}
#list li{border-radius:12px;padding:10px 10px 10px 14px;position:relative;cursor:pointer;border:1px solid transparent}
#list li:hover{border-color:var(--line);background:var(--bg)}
#list li::before{content:"";position:absolute;left:4px;top:12px;bottom:12px;width:4px;border-radius:2px}
#list li[data-c="yellow"]::before{background:var(--dot-yellow)}#list li[data-c="green"]::before{background:var(--dot-green)}
#list li[data-c="blue"]::before{background:var(--dot-blue)}#list li[data-c="pink"]::before{background:var(--dot-pink)}
.q{font-family:var(--read);font-size:15px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.n{margin-top:6px;font-size:13px;background:var(--note);color:var(--note-ink);border-radius:8px;padding:6px 8px}
.empty{color:var(--muted);font-size:14px;padding:18px 10px;text-align:center}
.rail-foot{padding:12px;border-top:1px solid var(--line);display:grid;grid-template-columns:1fr 1fr;gap:8px}
.primary{border:0;background:var(--violet);color:#fff;font:700 14px var(--body);padding:10px 12px;border-radius:12px;cursor:pointer}
.primary:hover{filter:brightness(1.08)}
.secondary{border:1px solid var(--line);background:transparent;color:var(--ink);font:700 14px var(--body);padding:10px 12px;border-radius:12px;cursor:pointer}
.toast{position:fixed;left:50%;bottom:calc(20px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:#1c1733;color:#fff;padding:10px 16px;border-radius:999px;font-weight:600;font-size:14px;z-index:30}

/* note popover */
#pop{position:absolute;z-index:25;width:min(300px,calc(100vw - 32px));background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 40px rgba(20,10,60,.25);padding:12px}
#pop .row{display:flex;gap:6px;align-items:center;margin-bottom:8px}
#pop .row .sw{width:22px;height:22px;border-radius:50%;border:2px solid var(--surface);box-shadow:0 0 0 1px var(--line);cursor:pointer;padding:0}
#pop .row .sw[aria-pressed="true"]{box-shadow:0 0 0 2px var(--violet)}
#pop textarea{width:100%;min-height:72px;border:1px solid var(--line);border-radius:10px;background:var(--note);color:var(--note-ink);font:14px/1.45 var(--body);padding:8px;resize:vertical}
#pop .acts{display:flex;justify-content:space-between;margin-top:8px}
.link-danger{border:0;background:none;color:#d23a6c;font:600 13px var(--body);cursor:pointer;padding:6px 0}

/* sections below */
section.s{padding-block:64px}
.how{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;margin-top:28px}
.how div{min-width:0}
.how h3{font-size:20px;margin:10px 0 6px}
.how p{color:var(--muted);margin:0}
.step{font:800 14px var(--display);color:var(--violet)}
.s h2{font-size:clamp(28px,3.6vw,42px);line-height:1.08}
.lead{color:var(--muted);font-size:18px;max-width:60ch;margin:12px 0 0}
.ext{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:var(--surface);border-radius:28px;padding:40px;box-shadow:var(--shadow)}
.ext ul{margin:18px 0 24px;padding:0;list-style:none;display:grid;gap:10px}
.ext li{display:flex;gap:10px;align-items:flex-start}
.ext li::before{content:"";flex:none;width:18px;height:10px;margin-top:8px;border-radius:3px;background:var(--hl-yellow)}
.ext li:nth-child(2)::before{background:var(--hl-green)}.ext li:nth-child(3)::before{background:var(--hl-blue)}.ext li:nth-child(4)::before{background:var(--hl-pink)}
.cta{display:inline-flex;align-items:center;gap:10px;background:var(--violet);color:#fff;text-decoration:none;font-weight:700;padding:14px 20px;border-radius:14px}
.ext-art{position:relative;min-height:240px}
.page-mock{background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:22px;font-family:var(--read);font-size:17px;line-height:1.7}
.sticky{position:absolute;right:-6px;bottom:-14px;background:var(--note);color:var(--note-ink);font:500 15px var(--body);padding:14px 16px;border-radius:4px 4px 12px 4px;transform:rotate(3deg);box-shadow:0 10px 24px rgba(0,0,0,.15);max-width:180px}
.faq{display:grid;gap:4px;margin-top:20px;max-width:760px}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{font-weight:700;cursor:pointer;font-size:17px}
.faq p{color:var(--muted);margin:8px 0 0}
footer{color:var(--muted);font-size:14px;padding-block:28px 40px;border-top:1px solid var(--line)}

@media (max-width:900px){
  .hero{grid-template-columns:1fr}
  .desk{grid-template-columns:1fr}
  .rail{position:static;max-height:none}
  #list{max-height:360px}
  .ext{grid-template-columns:1fr;padding:24px}
  .how{grid-template-columns:1fr}
  .top nav a:not(.btn-chrome){display:none}
}
@media (max-width:520px){
  #reader{padding:12px 16px 24px;font-size:18px}
  #editor{padding:16px}
  .hint{padding:10px 16px 0}
}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}