:root{
  --bg:#EDEFF2;--surface:#FFFFFF;--ink:#1A2130;--muted:#5B6474;--rule:#D5DAE1;
  --news:#1F3A68;--books:#1E5A45;--writing:#7A1E33;--gold:#B8861C;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif;
  --sans:Manrope,"Segoe UI",system-ui,-apple-system,sans-serif;
  --rail:88px;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#10141B;--surface:#181E28;--ink:#E7EAF0;--muted:#9AA3B2;--rule:#2A3240;
  --news:#86A9E6;--books:#72C3A1;--writing:#E48DA3;--gold:#E2B24C;
}}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.55 var(--sans)}
body{padding:env(safe-area-inset-top) 0 env(safe-area-inset-bottom)}
a{color:inherit}
:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
button{font:inherit;cursor:pointer}
[hidden]{display:none!important}

/* login */
.login{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:min(360px,100%);display:grid;gap:10px;text-align:left}
.login-mark{width:64px;height:64px;border-radius:14px}
.login-card h1{font:700 1.8rem/1.2 var(--serif);margin:8px 0 0}
.login-card p{margin:0 0 12px;color:var(--muted)}
.login-card label{font-weight:600}
.login-card input{font:inherit;padding:12px;border:1px solid var(--rule);border-radius:8px;background:var(--surface);color:var(--ink)}
.login-card button{padding:12px;border:0;border-radius:8px;background:var(--ink);color:var(--bg);font-weight:700}
.err{color:#C0392B;min-height:1.4em}

/* shell: a rail of three spines on wide screens, a bar at the bottom on narrow ones */
.shell{display:grid;grid-template-columns:var(--rail) 1fr;min-height:100vh}
.rail{position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:10px;padding:16px 12px;
  background:var(--surface);border-right:1px solid var(--rule)}
.rail a{text-decoration:none;display:flex;flex-direction:column;align-items:center;gap:6px;font-size:.78rem;font-weight:600;color:var(--muted)}
.rail-home img{width:44px;height:44px;border-radius:10px}
.spine{flex:1;max-height:180px;border-radius:6px;justify-content:center;writing-mode:vertical-rl;transform:rotate(180deg);
  color:#fff!important;font:600 1rem/1 var(--serif);letter-spacing:.02em;position:relative;opacity:.55;transition:opacity .15s}
.spine::before,.spine::after{content:"";position:absolute;left:8px;right:8px;height:2px;background:var(--gold)}
.spine::before{top:14px}.spine::after{bottom:14px}
.spine.news{background:var(--news)}.spine.books{background:var(--books)}.spine.writing{background:var(--writing)}
.spine.on,.spine:hover{opacity:1}
@media (prefers-color-scheme:dark){.spine{color:#10141B!important}}
.rail-search{margin-top:auto}
.rail-search svg{width:28px;height:28px;fill:none;stroke:currentColor;stroke-width:2}
.rail a.on{color:var(--ink)}
main{padding:28px clamp(16px,4vw,48px) 96px;max-width:1100px;width:100%}
@media (max-width:820px){
  .shell{grid-template-columns:1fr}
  .rail{position:fixed;bottom:0;top:auto;left:0;right:0;height:auto;z-index:5;flex-direction:row;padding:8px 10px calc(8px + env(safe-area-inset-bottom));
    border-right:0;border-top:1px solid var(--rule);gap:8px}
  .spine{writing-mode:horizontal-tb;transform:none;max-height:none;height:44px;flex:1;font-size:.95rem}
  .spine::before,.spine::after{top:8px;bottom:8px;left:auto;right:auto;width:2px;height:auto}
  .spine::before{left:8px}.spine::after{right:8px}
  .rail-home img{width:36px;height:36px}.rail-home span,.rail-search span{display:none}
  .rail-search{margin:0}
}

/* type */
h1{font:700 clamp(1.7rem,3vw,2.3rem)/1.15 var(--serif);margin:0 0 6px}
h2{font:600 1.25rem/1.3 var(--serif);margin:28px 0 10px}
h3{font:600 1.05rem/1.35 var(--serif);margin:0}
.lede{color:var(--muted);margin:0 0 22px}
.muted{color:var(--muted)}
.small{font-size:.85rem}

/* home */
.home-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:18px}
.panel{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:18px 20px;border-top:4px solid var(--c,var(--ink))}
.panel h2{margin-top:0}
.panel.news{--c:var(--news)}.panel.books{--c:var(--books)}.panel.writing{--c:var(--writing)}.panel.recall{--c:var(--gold)}
.panel.wide{grid-column:1/-1}
.heads{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:4px 24px}
.heads h3{font:600 .9rem var(--sans);color:var(--news);margin:10px 0 4px}
.list{list-style:none;margin:0;padding:0}
.list li{padding:10px 0;border-bottom:1px solid var(--rule)}
.list li:last-child{border-bottom:0}
.list a{text-decoration:none}
.list a:hover .t{text-decoration:underline}
.t{font-family:var(--serif);font-size:1.02rem}
.meta{display:block;color:var(--muted);font-size:.82rem;margin-top:2px}
.big-q{font:400 1.25rem/1.4 var(--serif);margin:4px 0 12px}
.btn{display:inline-block;padding:8px 14px;border-radius:8px;border:1px solid var(--rule);background:var(--surface);color:var(--ink);text-decoration:none;font-weight:600;font-size:.9rem}
.btn.solid{background:var(--ink);color:var(--bg);border-color:var(--ink)}
.bar{height:6px;border-radius:3px;background:var(--rule);overflow:hidden;margin:8px 0}
.bar i{display:block;height:100%;background:var(--books)}

/* lists and tabs */
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:0 0 18px}
.tabs button{border:1px solid var(--rule);background:var(--surface);color:var(--ink);padding:6px 12px;border-radius:999px;font-size:.88rem}
.tabs button[aria-pressed="true"]{background:var(--c,var(--ink));border-color:var(--c,var(--ink));color:#fff}
.searchbox{width:100%;font:inherit;font-size:1.05rem;padding:12px 14px;border-radius:10px;border:1px solid var(--rule);background:var(--surface);color:var(--ink);margin:0 0 16px}
.more{margin:16px 0}

/* shelf */
.shelf{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:18px 14px}
.cover{text-decoration:none;display:block}
.cover .img{aspect-ratio:2/3;border-radius:4px 8px 8px 4px;background:var(--books);color:#fff;display:flex;align-items:flex-end;padding:10px;
  font:600 .9rem/1.2 var(--serif);overflow:hidden;position:relative;box-shadow:inset 6px 0 0 rgba(0,0,0,.18)}
.cover .img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.cover .cap{font-size:.82rem;margin-top:6px;line-height:1.3}
.cover .cap b{display:block;font-family:var(--serif);font-weight:600;font-size:.92rem}

/* reading view */
.reader{max-width:700px}
.reader .back{display:inline-block;margin:0 0 14px;color:var(--muted);text-decoration:none;font-weight:600}
.prose{font:400 1.08rem/1.7 var(--serif)}
.prose h2,.prose h3,.prose h4{font-family:var(--serif)}
.prose blockquote,blockquote.prose{margin:14px 0;padding:4px 16px;border-left:3px solid var(--gold);color:var(--ink)}
.prose ul{padding-left:1.2em}
.note{padding:12px 0;border-bottom:1px solid var(--rule)}
.note .k{font:600 .8rem var(--sans);color:var(--muted)}
.chip{display:inline-block;font-size:.78rem;font-weight:700;padding:2px 8px;border-radius:999px;background:var(--rule);color:var(--ink);margin-right:6px}
.chip.final{background:var(--books);color:#fff}.chip.draft{background:var(--gold);color:#1A2130}
details{border:1px solid var(--rule);border-radius:8px;padding:8px 14px;background:var(--surface);margin:14px 0}
summary{cursor:pointer;font-weight:600}
.turn{margin:10px 0}.turn b{font-family:var(--sans);font-size:.85rem}
.empty{color:var(--muted);padding:24px 0}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* stage 2: studio */
.notice{background:var(--surface);border:1px solid var(--rule);border-left:4px solid var(--gold);border-radius:8px;padding:10px 14px;margin:0 0 16px}
.notice p{margin:4px 0}
.pitch{padding:12px 0;border-bottom:1px solid var(--rule)}.pitch:last-child{border-bottom:0}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}
.revise{display:flex;gap:8px;align-items:flex-end;margin:6px 0 4px}
.revise textarea{flex:1;font:inherit;padding:10px;border:1px solid var(--rule);border-radius:8px;background:var(--surface);color:var(--ink);resize:vertical}
.editor{width:100%;min-height:60vh;font:400 1rem/1.6 var(--serif);padding:14px;border:1px solid var(--rule);border-radius:8px;background:var(--surface);color:var(--ink)}
.imgs{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0}
.imgform{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0}
.imgform select,.imgform input[type=text],.imgform input:not([type]){font:inherit;padding:8px;border:1px solid var(--rule);border-radius:8px;background:var(--surface);color:var(--ink)}
.linkbtn{background:none;border:0;padding:0 4px;color:inherit;text-decoration:underline;font:inherit}
.busy{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--ink);color:var(--bg);padding:12px 18px;border-radius:10px;z-index:30;font-weight:600;max-width:90vw}
.toast{position:fixed;left:50%;bottom:90px;transform:translateX(-50%);background:var(--books);color:#fff;padding:10px 16px;border-radius:10px;z-index:31}
.cover{position:relative}
.badge{position:absolute;top:6px;right:6px;background:var(--gold);color:#1A2130;font-size:.7rem;font-weight:800;padding:2px 7px;border-radius:999px}

/* stage 2: reader */
body.reading .rail{display:none}
body.reading .shell{grid-template-columns:1fr}
body.reading main{max-width:none;padding:0}
.rd{position:fixed;inset:0;display:grid;grid-template-rows:auto 1fr auto;background:#fff;color:#1A2130;z-index:20;padding-top:env(safe-area-inset-top)}
.rd[data-theme=sepia]{background:#F3E9D7;color:#3B2F22}.rd[data-theme=dark]{background:#14181F;color:#E3E6EC}
.rd-top,.rd-bot{display:flex;align-items:center;gap:10px;padding:8px 14px;border-bottom:1px solid rgba(127,127,127,.25)}
.rd-bot{border-top:1px solid rgba(127,127,127,.25);border-bottom:0;justify-content:space-between;padding-bottom:calc(8px + env(safe-area-inset-bottom))}
.rd-title{flex:1;display:flex;flex-direction:column;min-width:0}.rd-title b{font-family:var(--serif);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rd-btn,.rd-x{background:none;border:1px solid rgba(127,127,127,.35);color:inherit;border-radius:8px;padding:6px 12px;font-weight:700;text-decoration:none}
.rd-page{position:relative;overflow:hidden;padding:0 4px;width:min(760px,100%);margin:0 auto}
.rd-sel{position:fixed;left:50%;bottom:70px;transform:translateX(-50%);display:flex;gap:6px;background:var(--ink);padding:8px;border-radius:12px;z-index:25}
.rd-sel button{background:none;border:1px solid rgba(255,255,255,.35);color:var(--bg);border-radius:8px;padding:8px 12px;font-weight:700}
.rd-drawer{position:fixed;right:0;top:0;bottom:0;width:min(440px,100%);background:var(--surface);color:var(--ink);z-index:26;overflow:auto;padding:20px;border-left:1px solid var(--rule);box-shadow:-8px 0 24px rgba(0,0,0,.15)}
.rd-drawer .rd-x{float:right}
.rd-aa{position:fixed;right:12px;top:58px;background:var(--surface);color:var(--ink);border:1px solid var(--rule);border-radius:12px;padding:10px;z-index:26;display:grid;gap:8px}
.rd-aa div{display:flex;gap:6px}.rd-aa button{border:1px solid var(--rule);background:var(--surface);color:var(--ink);border-radius:8px;padding:6px 10px}

/* reader extras */
.rd-top .rd-btn{padding:6px 10px}
.rd-prompt{position:fixed;left:50%;bottom:70px;transform:translateX(-50%);display:flex;align-items:center;gap:8px;background:var(--surface);color:var(--ink);border:1px solid var(--rule);border-radius:12px;padding:8px 12px;z-index:24;box-shadow:0 6px 18px rgba(0,0,0,.15)}
.talklog{max-height:55vh;overflow:auto;margin:8px 0}
.turn.me b{color:var(--books)}
.toc .linkbtn{text-decoration:none;text-align:left}
.statrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:12px;margin:16px 0}
.statrow div{background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:14px;border-top:4px solid var(--books)}
.statrow b{display:block;font:700 1.8rem/1.1 var(--serif)}.statrow span{color:var(--muted);font-size:.85rem}
.bars{display:flex;align-items:flex-end;gap:3px;height:140px;background:var(--surface);border:1px solid var(--rule);border-radius:10px;padding:10px}
.bars i{flex:1;background:var(--books);border-radius:3px 3px 0 0;min-height:2px}
@media (max-width:600px){.rd-top{gap:6px;padding:8px}.rd-title span{display:none}}

/* stage 3: discussions and tweets */
.chat .msgs{max-height:62vh;overflow:auto;display:flex;flex-direction:column;gap:10px;margin:12px 0;padding-right:4px}
.msg{max-width:92%;padding:10px 14px;border-radius:12px}
.msg.bot{background:var(--bg);align-self:flex-start}
.msg.me{background:var(--news);color:#fff;align-self:flex-end}
@media (prefers-color-scheme:dark){.msg.me{color:#10141B}}
.msg .prose{font-size:1rem}
.refchip{display:inline-block;border:1px solid var(--gold);background:none;color:var(--ink);border-radius:999px;padding:0 8px;font:600 .78rem var(--sans);margin:0 2px;cursor:pointer}
.tweet{background:var(--bg);border-radius:10px;padding:12px 14px;margin:8px 0;font-size:1.02rem}
.tweet .linkbtn{margin-left:8px}
select{font:inherit;padding:8px;border:1px solid var(--rule);border-radius:8px;background:var(--surface);color:var(--ink)}
#side{z-index:40}