:root{
  --bg:#0d0f0c;
  --bg-soft:#141711;
  --ink:#ece9df;
  --muted:#989c90;
  --line:rgba(236,233,223,.17);
  --line-strong:rgba(236,233,223,.34);
  --lichen:#b6e39a;
  --lichen-dim:#7d9e6a;
  --ember:#e5c7a0;
  --danger:#c4a8a0;
  --shadow:rgba(0,0,0,.38);
  --safe-top:max(18px, env(safe-area-inset-top));
  --safe-bottom:max(18px, env(safe-area-inset-bottom));
  --serif:"Iowan Old Style","Palatino Linotype","Book Antiqua",Palatino,Georgia,serif;
  --sans:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}
*{box-sizing:border-box}
html{background:var(--bg);scroll-behavior:smooth}
body{
  margin:0;min-height:100dvh;background:
    radial-gradient(ellipse at 28% 15%, rgba(182,227,154,.045), transparent 28%),
    radial-gradient(ellipse at 78% 74%, rgba(229,199,160,.03), transparent 30%),
    var(--bg);
  color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.48;
  -webkit-font-smoothing:antialiased;
}
button,textarea,a{font:inherit}
button{color:inherit}
button,a{-webkit-tap-highlight-color:transparent}
button:focus-visible,a:focus-visible,textarea:focus-visible{outline:2px solid var(--lichen);outline-offset:3px}
::selection{background:var(--lichen);color:var(--bg)}
.shell{min-height:100dvh;position:relative;overflow:hidden}
.topbar{
  position:fixed;z-index:30;top:0;left:0;right:0;
  display:flex;justify-content:space-between;align-items:center;
  padding:var(--safe-top) 20px 12px;
  font-size:10px;letter-spacing:.17em;text-transform:uppercase;color:var(--muted);
  pointer-events:none;
}
.brand{color:var(--ink);font-weight:650}
.state-label{opacity:.8}
main{min-height:100dvh}
.scene{
  display:none;min-height:100dvh;width:100%;
  padding:86px 20px calc(94px + var(--safe-bottom));
  opacity:0;transform:translateY(8px);filter:blur(2px);
}
.scene--active{
  display:block;
  animation:arrive .58s cubic-bezier(.2,.8,.2,1) forwards;
}
.scene--center.scene--active{display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center}
@keyframes arrive{to{opacity:1;transform:none;filter:none}}
@media(prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}
}
h1,h2,h3,p{margin-top:0}
h1,h2{
  font-family:var(--serif);font-weight:400;letter-spacing:-.025em;
  text-wrap:balance;
}
h1{font-size:clamp(34px,10vw,58px);line-height:1.02;max-width:760px}
h2{font-size:clamp(31px,8vw,48px);line-height:1.04;margin-bottom:16px}
h3{font-size:15px;font-weight:560;letter-spacing:.02em;margin-bottom:8px}
p{color:#c7c8c0}
.eyebrow{
  color:var(--lichen);font-size:10px;font-weight:700;letter-spacing:.18em;text-transform:uppercase;
  margin-bottom:16px;
}
.whisper{color:var(--muted);font-size:14px}
.small-copy{font-size:13px;color:var(--muted)}
.scene-copy{max-width:650px;margin:4vh auto 34px}
.scene-copy--wide{max-width:760px}
.scene-copy>p{max-width:570px}
.action{
  min-height:50px;border-radius:999px;border:1px solid var(--line-strong);
  background:transparent;color:var(--ink);padding:13px 20px;
  display:inline-flex;align-items:center;justify-content:center;text-decoration:none;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease;
}
.action:active{transform:scale(.985)}
.action--primary{
  background:var(--ink);border-color:var(--ink);color:var(--bg);
}
.action--quiet{color:#d3d3ca;background:rgba(255,255,255,.015)}
.stack-actions{display:grid;gap:10px;max-width:560px;margin:34px auto 0}
.choice-row{display:flex;gap:10px;justify-content:space-between;margin:28px auto 0;max-width:760px}
.choice-row>*{flex:1}
.bottom-action{
  position:fixed;z-index:20;bottom:calc(30px + var(--safe-bottom));left:20px;right:20px;
  display:flex;justify-content:center;pointer-events:none;
}
.bottom-action .action{pointer-events:auto;box-shadow:0 16px 50px var(--shadow)}
.text-action,.footer-link{
  border:0;background:none;padding:10px 0;color:var(--muted);text-decoration:underline;text-decoration-color:transparent;
}
.text-action:hover,.footer-link:hover{text-decoration-color:currentColor}
.footer{
  position:fixed;z-index:25;left:20px;right:20px;bottom:var(--safe-bottom);
  display:flex;justify-content:space-between;align-items:center;
  color:#6f7369;font-size:10px;letter-spacing:.12em;text-transform:uppercase;
  pointer-events:none;
}
.footer>*{pointer-events:auto}
.footer-link{font-size:10px;letter-spacing:.12em;text-transform:uppercase}

/* entrance */
.entrance-space{
  min-height:calc(100dvh - 150px);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;
  max-width:920px;margin:0 auto;
}
.ones{
  width:min(78vw,680px);display:flex;justify-content:space-between;align-items:center;
  font-family:var(--serif);font-size:clamp(72px,24vw,150px);line-height:.8;margin-bottom:28px;
}
.threshold-mark{color:var(--lichen);font-size:24px;margin:-26px 0 28px;opacity:.8}
.entrance-space h1{max-width:620px;margin-bottom:12px}
.entrance-space .action{margin-top:26px;min-width:150px}

/* field */
.field{
  position:relative;width:min(100%,760px);height:min(57dvh,540px);min-height:390px;margin:0 auto;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);overflow:hidden;
  background:
    radial-gradient(circle at 50% 50%, rgba(182,227,154,.025), transparent 28%),
    linear-gradient(180deg,rgba(255,255,255,.006),transparent 20%,transparent 80%,rgba(255,255,255,.006));
}
.field-glow{
  position:absolute;width:170px;height:170px;border-radius:50%;left:44%;top:39%;
  background:radial-gradient(circle,rgba(182,227,154,.08),rgba(182,227,154,.01) 50%,transparent 72%);
  filter:blur(8px);
}
.trace-layer{position:absolute;inset:0;width:100%;height:100%;opacity:.22}
.trace-layer path{fill:none;stroke:rgba(236,233,223,.15);stroke-width:.24;stroke-dasharray:1.4 2.4}
.seed-node{
  position:absolute;width:66px;height:66px;border:0;background:transparent;color:var(--ink);
  display:flex;align-items:center;justify-content:center;border-radius:50%;
}
.seed-node::before{
  content:"";position:absolute;width:var(--node-size,10px);height:var(--node-size,10px);
  border-radius:50%;background:var(--node-color,var(--ink));opacity:var(--node-opacity,.75);
  box-shadow:0 0 0 8px rgba(236,233,223,.018),0 0 30px rgba(182,227,154,.04);
  transition:transform .24s ease,opacity .24s ease,box-shadow .24s ease;
}
.seed-node::after{
  content:attr(data-near);position:absolute;top:47px;left:50%;transform:translateX(-50%);
  white-space:nowrap;color:var(--muted);font-size:9px;letter-spacing:.06em;opacity:0;
  transition:opacity .24s ease;
}
.seed-node:active::before,.seed-node:focus-visible::before{transform:scale(1.7);opacity:1;box-shadow:0 0 0 13px rgba(182,227,154,.06)}
.seed-node:focus-visible::after{opacity:1}
.clearing{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:116px;height:116px;border-radius:50%;border:0;background:rgba(13,15,12,.62);color:var(--ink);
  font-family:var(--serif);font-size:16px;
}
.clearing-ring{
  position:absolute;inset:0;border:1px solid rgba(182,227,154,.29);border-radius:50%;
  box-shadow:inset 0 0 45px rgba(182,227,154,.025),0 0 45px rgba(182,227,154,.025);
}
.fragment-drawer{
  position:fixed;z-index:24;left:14px;right:14px;bottom:calc(24px + var(--safe-bottom));
  padding:20px;border:1px solid var(--line-strong);border-radius:22px;
  background:rgba(18,20,16,.95);backdrop-filter:blur(18px);box-shadow:0 20px 70px rgba(0,0,0,.45);
  transform:translateY(120%);opacity:0;pointer-events:none;
  transition:transform .35s cubic-bezier(.2,.8,.2,1),opacity .25s ease;
}
.fragment-drawer.is-open{transform:none;opacity:1;pointer-events:auto}
.fragment-source{font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--lichen);margin-bottom:12px}
.fragment-text{font-family:var(--serif);font-size:24px;line-height:1.18}

/* writing */
.writing-clearing{
  max-width:760px;margin:6vh auto 0;padding:12px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
textarea{
  width:100%;border:0;background:transparent;color:var(--ink);resize:none;
  font-family:var(--serif);font-size:clamp(25px,7vw,38px);line-height:1.25;padding:18px 2px;
}
textarea::placeholder{color:#5f625a}
textarea:focus{outline:0}
.writing-meta{display:flex;justify-content:space-between;gap:20px;color:#6f7369;font-size:10px;letter-spacing:.08em;text-transform:uppercase;padding:6px 2px}
.own-contribution{
  max-width:720px;margin:7vh auto 42px;padding:0;border:0;
  font-family:var(--serif);font-size:clamp(25px,7vw,38px);line-height:1.22;color:var(--ink);
}
.consent-orbit{width:94px;height:94px;position:relative;margin:0 auto 26px}
.orbit-dot{position:absolute;width:11px;height:11px;border-radius:50%;background:var(--ink);left:15px;top:42px}
.orbit-question{position:absolute;right:14px;top:27px;color:var(--lichen);font-family:var(--serif);font-size:38px}
.consent-copy{max-width:560px;margin:0 auto;text-align:center}

/* reading */
.reading-mark{display:flex;gap:10px;margin-bottom:32px}
.reading-mark span{width:6px;height:6px;border-radius:50%;background:var(--lichen);opacity:.16;animation:read 1.6s infinite}
.reading-mark span:nth-child(2){animation-delay:.24s}
.reading-mark span:nth-child(3){animation-delay:.48s}
@keyframes read{0%,100%{opacity:.12;transform:scale(.75)}50%{opacity:.9;transform:scale(1.05)}}

/* fallback own-ai */
.prompt-box{
  max-width:760px;max-height:280px;overflow:auto;margin:0 auto;padding:18px;border:1px solid var(--line);border-radius:18px;background:#10120e;
}
.prompt-box pre{margin:0;white-space:pre-wrap;word-break:break-word;color:#aaaDA2;font:12px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace}
.paste-label{display:block;max-width:760px;margin:34px auto 0;color:var(--lichen);font-size:10px;letter-spacing:.16em;text-transform:uppercase}
#ownAiResponse{display:block;max-width:760px;margin:8px auto 0;border:1px solid var(--line);border-radius:18px;padding:16px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:13px}
.inline-error{max-width:760px;margin:10px auto;color:#d4a89c;font-size:13px}

/* mirror */
.epistemic-stack{max-width:760px;margin:0 auto;border-top:1px solid var(--line)}
.epistemic-part{
  display:grid;grid-template-columns:42px 1fr;gap:12px;padding:22px 0;border-bottom:1px solid var(--line);
}
.part-index{font-family:var(--serif);font-size:13px;color:#64685f}
.epistemic-part p{margin:0;color:#d3d3ca}
.epistemic-part--uncertain p{color:#c9c2a9}
.lens-list{display:flex;flex-wrap:wrap;gap:8px}
.lens{
  display:inline-flex;gap:6px;align-items:center;border:1px solid var(--line);border-radius:999px;padding:7px 10px;
  color:#c9cbbf;font-size:12px;
}
.lens i{width:5px;height:5px;border-radius:50%;background:var(--lichen-dim);display:inline-block}
.correction{max-width:760px;margin:30px auto 82px}
.correction>p{font-family:var(--serif);font-size:20px;color:var(--ink)}
.micro-actions{display:flex;flex-wrap:wrap;gap:8px}
.micro-actions button{
  border:1px solid var(--line);border-radius:999px;background:transparent;color:#aaaDA2;padding:9px 12px;font-size:12px;
}
.micro-actions button.is-selected{border-color:var(--lichen-dim);color:var(--lichen);background:rgba(182,227,154,.04)}

/* relation */
.relation-stage{
  position:relative;max-width:760px;height:390px;margin:0 auto 24px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.relation-node{
  position:absolute;width:46%;max-width:290px;padding:15px 17px;border:1px solid var(--line);border-radius:22px;background:rgba(18,20,16,.78);
  font-family:var(--serif);font-size:17px;line-height:1.25;
}
.relation-node--self{left:0;top:32px}
.relation-node--other{right:0;bottom:28px}
.node-kicker{display:block;font-family:var(--sans);font-size:8px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:9px}
.relation-line{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.relation-line path{fill:none;stroke:var(--lichen-dim);stroke-width:.38;stroke-dasharray:2 2;opacity:.62}
.relation-question{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:58px;height:58px;border-radius:50%;border:1px solid rgba(182,227,154,.42);
  background:var(--bg);color:var(--lichen);font-family:var(--serif);font-size:32px;
  box-shadow:0 0 50px rgba(182,227,154,.05);
}
.why-panel{
  position:fixed;z-index:35;left:12px;right:12px;bottom:calc(12px + var(--safe-bottom));
  max-height:75dvh;overflow:auto;padding:24px 20px;border:1px solid var(--line-strong);border-radius:24px;
  background:rgba(16,18,14,.97);backdrop-filter:blur(22px);box-shadow:0 30px 90px rgba(0,0,0,.5);
  transform:translateY(120%);opacity:0;pointer-events:none;
  transition:transform .35s cubic-bezier(.2,.8,.2,1),opacity .25s ease;
}
.why-panel.is-open{transform:none;opacity:1;pointer-events:auto}
.why-close{position:absolute;right:16px;top:14px;border:0;background:transparent;color:var(--muted);font-size:26px}
.why-panel dl{margin:0}
.why-panel dt{font-size:9px;letter-spacing:.15em;text-transform:uppercase;color:var(--lichen);margin-top:18px}
.why-panel dd{margin:6px 0 0;color:#c8c9c0}
.decision-grid{display:grid;grid-template-columns:1fr 1fr;gap:9px;max-width:760px;margin:20px auto}
.decision-grid .action{font-size:13px;padding:11px}

/* effects and trace */
.effect-symbol{
  width:130px;height:130px;border-radius:50%;margin-bottom:36px;position:relative;
  border:1px solid rgba(182,227,154,.32);box-shadow:inset 0 0 70px rgba(182,227,154,.03);
}
.effect-symbol::before,.effect-symbol::after{
  content:"";position:absolute;top:50%;height:1px;background:var(--lichen-dim);width:40px;
}
.effect-symbol::before{left:-24px}.effect-symbol::after{right:-24px}
.effect-symbol--rest{border-color:var(--line);box-shadow:none}
.effect-symbol--rest::before,.effect-symbol--rest::after{background:var(--line-strong)}
.effect-copy{max-width:560px}
.trace-paper{
  max-width:760px;margin:0 auto 30px;padding:26px 20px 4px;border-top:1px solid var(--line-strong);border-bottom:1px solid var(--line);
}
.trace-section{padding-bottom:22px}
.trace-label{font-size:9px;letter-spacing:.16em;text-transform:uppercase;color:var(--lichen);margin-bottom:8px}
.trace-value{font-family:var(--serif);font-size:18px;line-height:1.34;color:#d8d7cf;white-space:pre-wrap}
.trace-paper.is-faded{opacity:.12;filter:blur(3px);transition:opacity 1.2s ease,filter 1.2s ease}

/* toast */
.toast{
  position:fixed;z-index:60;left:50%;bottom:calc(78px + var(--safe-bottom));transform:translate(-50%,20px);
  max-width:calc(100% - 36px);padding:9px 13px;border-radius:999px;background:var(--ink);color:var(--bg);
  font-size:12px;opacity:0;pointer-events:none;transition:opacity .2s ease,transform .2s ease;
}
.toast.is-showing{opacity:1;transform:translate(-50%,0)}

@media(min-width:760px){
  .scene{padding-left:42px;padding-right:42px}
  .topbar{padding-left:42px;padding-right:42px}
  .footer{left:42px;right:42px}
  .bottom-action{left:42px;right:42px}
  .fragment-drawer,.why-panel{left:50%;right:auto;width:min(700px,calc(100% - 40px));transform:translate(-50%,120%)}
  .fragment-drawer.is-open,.why-panel.is-open{transform:translate(-50%,0)}
}