:root{--bg:#F7F5EF;--card:#fff;--ink:#191A16;--mut:#6E6A60;--line:#E4E0D6;--ac:#E8432C;--hl:#FFC53D;--ok:#1F8A4C;--warn:#B76E00;--dk:#141414;
--f:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;--m:"IBM Plex Mono",ui-monospace,Menlo,monospace}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font:15px/1.5 var(--f);background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer;border:1px solid var(--ink);background:var(--card);padding:8px 14px;border-radius:8px;font-weight:600;white-space:nowrap}
button:hover{background:#F1EEE6}
button.pri{background:var(--ink);color:#fff}
button.pri:hover{background:#000}
button.ac{background:var(--ac);border-color:var(--ac);color:#fff}
button.ghost{border-color:transparent;background:transparent}
button.sm{padding:4px 9px;font-size:13px;border-radius:6px}
button:disabled{opacity:.45;cursor:default}
input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:8px;padding:8px 10px;outline:none}
input:focus,select:focus,textarea:focus{border-color:var(--ink)}
textarea{resize:vertical;min-height:42px;line-height:1.45}
textarea.code,.mono{font-family:var(--m);font-size:13px}
label{display:block;font-weight:600;font-size:13px;margin:0 0 4px}
.hint{color:var(--mut);font-size:13px;font-weight:400}
.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.grow{flex:1}
.stack>*+*{margin-top:12px}
h1,h2,h3{margin:0;letter-spacing:-.01em}
h1{font-size:26px}h2{font-size:20px}h3{font-size:16px}

/* auth */
.auth{min-height:100%;display:grid;place-items:center;padding:24px}
.auth .box{width:min(420px,100%);background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px}
.brand i{display:inline-block;width:28px;height:28px;border-radius:7px;background:var(--dk);position:relative}
.brand i::after{content:"";position:absolute;left:7px;top:9px;width:10px;height:10px;border-left:3px solid var(--hl);border-top:3px solid var(--hl);transform:rotate(45deg)}

/* shell */
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:16px;padding:12px 24px;background:var(--bg);border-bottom:1px solid var(--line)}
.top .who{margin-left:auto;display:flex;gap:10px;align-items:center;color:var(--mut);font-size:13px}
.capbar{display:inline-flex;align-items:center;gap:6px;font-size:12px;background:#FFF4D6;border:1px solid #F1D48A;padding:3px 9px;border-radius:99px;color:#5c4400}
.wrap{max-width:1180px;margin:0 auto;padding:28px 24px 80px}
.ws{display:grid;grid-template-columns:230px minmax(0,1fr);min-height:calc(100% - 57px)}
.rail{border-right:1px solid var(--line);padding:20px 12px;position:sticky;top:57px;height:calc(100vh - 57px);overflow:auto}
.rail a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;text-decoration:none;font-weight:500}
.rail a:hover{background:#EFECE3}
.rail a.on{background:var(--ink);color:#fff}
.rail a .n{width:20px;height:20px;border-radius:99px;border:1.5px solid currentColor;display:grid;place-items:center;font-size:11px;font-weight:700;flex:none}
.rail a .dot{margin-left:auto;width:8px;height:8px;border-radius:9px;background:var(--line)}
.rail a .dot.ok{background:var(--ok)}.rail a .dot.warn{background:var(--hl)}.rail a .dot.bad{background:var(--ac)}
.rail .title{font-weight:800;padding:4px 10px 14px;font-size:15px;line-height:1.3}
.main{padding:28px 32px 80px;min-width:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px}
.grid2{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}
.wcard{cursor:pointer;transition:border-color .15s}
.wcard:hover{border-color:var(--ink)}
.pill{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;background:#EFECE3}
.pill.ok{background:#DDF3E5;color:var(--ok)}.pill.warn{background:#FFF1C9;color:#7A5600}.pill.bad{background:#FDE2DD;color:#A12A17}
.steps{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.step{border:1px solid var(--line);border-radius:12px;padding:14px;background:#fff}
.step b{display:block;font-size:13px;color:var(--mut);font-weight:600;text-transform:uppercase;letter-spacing:.06em}
.step .v{font-size:22px;font-weight:800;margin:4px 0}
.next{background:var(--dk);color:#fff;border-radius:14px;padding:20px;display:flex;gap:16px;align-items:center}
.next .grow{font-size:16px}
.errs{margin:8px 0 0;padding:10px 12px 10px 28px;background:#FFF6F4;border:1px solid #F6C8BE;border-radius:10px;font-size:13px;max-height:220px;overflow:auto}
.warns{background:#FFFAEB;border-color:#F1D48A}
.oklist{background:#F0FAF4;border:1px solid #BFE3CD;border-radius:10px;padding:10px 12px;font-size:13px}
.tok{font-family:var(--m);font-size:12px;background:var(--hl);border:1.5px dashed #111;padding:1px 6px;border-radius:4px;white-space:nowrap}

/* forms */
fieldset{border:1px solid var(--line);border-radius:12px;padding:14px 16px 16px;margin:0;background:#fff}
fieldset fieldset{background:#FCFBF8}
legend{font-weight:800;padding:0 6px;font-size:14px}
.f{margin-top:12px}
.f:first-of-type{margin-top:4px}
.f .row textarea{flex:1}
.arr>.item{border:1px dashed var(--line);border-radius:10px;padding:10px 12px;margin-top:8px;position:relative;background:#fff}
.arr>.item>.x{position:absolute;right:6px;top:6px}
.tokpick{width:auto;flex:none;font-size:12px;padding:4px 6px;color:var(--mut)}
.sec-help{color:var(--mut);font-size:13px;margin:-2px 0 6px}

/* slides editor */
.stable{width:100%;border-collapse:separate;border-spacing:0 8px}
.stable td{vertical-align:top;padding:0 4px}
.srow{background:#fff}
.srow td:first-child{font-family:var(--m);font-size:12px;color:var(--mut);width:44px;padding-top:10px}
.srow .tools{display:flex;flex-direction:column;gap:4px}
.srow textarea{min-height:64px}
.srow.flag td{background:#FFF6F4}

/* deck */
.deckframe{width:100%;aspect-ratio:16/9;border:1px solid var(--line);border-radius:12px;background:#0b0a09}
.keys{display:flex;gap:14px;flex-wrap:wrap;color:var(--mut);font-size:13px}
.keys kbd{font-family:var(--m);background:#fff;border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:0 6px}

/* research */
.res{border-top:1px solid var(--line);padding:12px 0}
.res .cit{font-weight:700}
.res pre{white-space:pre-wrap;font:13px/1.5 var(--m);background:#FCFBF8;border:1px solid var(--line);border-radius:10px;padding:12px;max-height:340px;overflow:auto}

/* ai */
.log{background:#111;color:#E9E6DD;font:12.5px/1.5 var(--m);border-radius:12px;padding:14px;max-height:420px;overflow:auto;white-space:pre-wrap}
.modes{display:grid;gap:10px}
.mode{display:flex;gap:12px;align-items:center;border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff}

#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--dk);color:#fff;padding:10px 16px;border-radius:10px;z-index:50;font-weight:600;max-width:90vw}
#toast.bad{background:#A12A17}
@media (max-width:860px){.ws{grid-template-columns:1fr}.rail{position:static;height:auto;border-right:0;border-bottom:1px solid var(--line);display:flex;overflow:auto}.rail .title{display:none}.main{padding:20px 16px}}
/* cloud: versions, team, documents */
.modal{position:fixed;inset:0;background:rgba(20,20,18,.55);display:flex;justify-content:center;align-items:flex-start;padding:4vh 16px;z-index:50;overflow:auto}
.modal .sheet{background:#fff;border-radius:14px;max-width:860px;width:100%;padding:22px 26px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.doc{line-height:1.55}.doc h1{font-size:24px}.doc h2{font-size:19px;margin-top:22px}.doc h3{font-size:16px}
.doc table{border-collapse:collapse;margin:8px 0}.doc td,.doc th{border:1px solid var(--line);padding:4px 8px;vertical-align:top;text-align:left}
.doc mark.tok{background:#FFE7A3;padding:0 3px;border-radius:3px}.doc blockquote{border-left:3px solid var(--line);margin:8px 0;padding-left:12px;color:var(--mut)}
.card.final{border-color:#7BC47F;box-shadow:0 0 0 2px #DDF2DE}
.utable{width:100%;border-collapse:collapse}.utable th,.utable td{text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
.top .who a{color:inherit}