:root{
  --bg:#fff;--bg2:#f7f6f3;--bg3:#efeeea;--fg:#37352f;--mut:#8a877f;--line:#e5e3dd;
  --acc:#2f6fed;--accfg:#fff;--err:#d44;--hov:rgba(55,53,47,.08);--code:#f1f0ec;
  --side:260px;
}
:root[data-theme=dark]{
  --bg:#191919;--bg2:#202020;--bg3:#2b2b2b;--fg:#e6e4df;--mut:#8f8d87;--line:#313131;
  --acc:#5b94ff;--accfg:#0b0b0b;--err:#ff7b7b;--hov:rgba(255,255,255,.08);--code:#262626;
}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--fg);font:16px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif}
[hidden]{display:none!important}
button,input,textarea{font:inherit;color:inherit}
button{cursor:pointer;background:none;border:0}
.muted{color:var(--mut)}
.err{color:var(--err);min-height:1.3em;font-size:14px}

/* login */
.auth{min-height:100%;display:grid;place-items:center;padding:16px;background:var(--bg2)}
.auth-card{width:100%;max-width:360px;background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:28px;display:grid;gap:12px;box-shadow:0 8px 30px rgba(0,0,0,.08)}
.brand{font-size:26px;font-weight:800;letter-spacing:-.5px}
.brand span{font-weight:400;color:var(--mut);margin-left:6px}
label{display:grid;gap:4px;font-size:13px;color:var(--mut)}
label input,.dlg input{background:var(--bg2);border:1px solid var(--line);border-radius:8px;padding:10px 12px;color:var(--fg);font-size:15px}
label input:focus,.dlg input:focus,.search:focus{outline:2px solid var(--acc);outline-offset:-1px}
.btn{padding:10px 14px;border-radius:8px;background:var(--bg3);font-weight:600}
.btn.primary{background:var(--acc);color:var(--accfg)}
.btn:disabled{opacity:.6;cursor:wait}

/* layout */
.app{display:grid;grid-template-columns:var(--side) 1fr;height:100%}
.side{background:var(--bg2);border-right:1px solid var(--line);display:flex;flex-direction:column;min-height:0}
.side-head{display:flex;align-items:center;justify-content:space-between;padding:14px 14px 6px}
.icon{width:30px;height:30px;border-radius:6px;font-size:18px;line-height:1}
.icon:hover,.link:hover,.row:hover{background:var(--hov)}
.search{margin:6px 12px;padding:7px 10px;border-radius:8px;border:1px solid var(--line);background:var(--bg);font-size:14px}
.tree{flex:1;overflow:auto;padding:4px 8px}
.row{display:flex;align-items:center;gap:2px;padding:3px 4px;border-radius:6px;font-size:14.5px;cursor:pointer;user-select:none}
.row.on{background:var(--hov);font-weight:600}
.row.over{outline:2px dashed var(--acc)}
.row .tw{width:20px;height:20px;border-radius:4px;color:var(--mut);font-size:11px;flex:none}
.row .tw:hover{background:var(--hov)}
.row .ic{flex:none;width:20px;text-align:center}
.row .tt{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding:2px 4px}
.row .acts{display:none;gap:0}
.row:hover .acts{display:flex}
.row .acts button{width:22px;height:22px;border-radius:4px;color:var(--mut)}
.row .acts button:hover{background:var(--hov);color:var(--fg)}
.side-foot{border-top:1px solid var(--line);padding:6px 8px;display:grid}
.link{text-align:left;padding:6px 8px;border-radius:6px;font-size:14px;color:var(--mut)}
.main{display:flex;flex-direction:column;min-width:0;height:100%}
.top{display:flex;align-items:center;gap:8px;padding:8px 14px;min-height:46px}
.menu{display:none}
.crumbs{flex:1;font-size:14px;color:var(--mut);overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.crumbs a{cursor:pointer}.crumbs a:hover{color:var(--fg)}
.status{font-size:12.5px;color:var(--mut)}
.view{flex:1;overflow:auto;padding:0 clamp(16px,8vw,96px) 40vh}
.doc{max-width:820px;margin:0 auto}
.page-ic{font-size:64px;line-height:1;margin:28px 0 4px;cursor:pointer;width:max-content;border-radius:8px;padding:0 4px}
.page-ic:hover{background:var(--hov)}
.page-ic.empty{font-size:15px;color:var(--mut);margin-top:34px;opacity:0}
.doc:hover .page-ic.empty{opacity:1}
.title{width:100%;border:0;background:none;outline:0;font-size:40px;font-weight:800;letter-spacing:-.8px;padding:4px 0 12px;line-height:1.2}
.title::placeholder{color:var(--line)}
.empty-view{margin:18vh auto 0;text-align:center;color:var(--mut)}
.empty-view h2{color:var(--fg)}

/* blocos */
.block{display:flex;align-items:flex-start;gap:6px;position:relative;padding:2px 0}
.txt{flex:1;min-width:0;outline:0;white-space:pre-wrap;word-break:break-word;padding:2px 0;min-height:1.5em}
.txt:empty::before{content:attr(data-ph);color:var(--mut);opacity:0;pointer-events:none}
.block:focus-within .txt:empty::before{opacity:.6}
.t-h1 .txt{font-size:30px;font-weight:800;line-height:1.25;margin-top:22px}
.t-h2 .txt{font-size:24px;font-weight:700;line-height:1.3;margin-top:16px}
.t-h3 .txt{font-size:19px;font-weight:700;margin-top:10px}
.t-quote .txt{border-left:3px solid var(--fg);padding-left:14px;margin-left:2px}
.t-callout{background:var(--bg2);border-radius:8px;padding:12px 14px;margin:4px 0}
.t-callout::before{content:"💡"}
.t-ul::before,.t-ol::before{content:"•";width:22px;text-align:center;flex:none;padding-top:2px}
.t-ol::before{content:attr(data-n) ".";color:var(--fg)}
.t-todo input{margin:7px 4px 0 2px;width:17px;height:17px;flex:none;accent-color:var(--acc);cursor:pointer}
.t-todo.done .txt{color:var(--mut);text-decoration:line-through}
.t-hr hr{flex:1;border:0;border-top:1px solid var(--line);margin:12px 0}
.t-code textarea{flex:1;background:var(--code);border:0;border-radius:8px;padding:12px 14px;font:13.5px/1.55 ui-monospace,Consolas,monospace;resize:none;outline:0;overflow:hidden;min-height:48px}
.hint{margin-top:18px;color:var(--mut);font-size:13px;cursor:text;padding:6px 0}

/* menu / */
.slash{position:fixed;z-index:20;width:250px;max-height:300px;overflow:auto;background:var(--bg);border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 30px rgba(0,0,0,.18);padding:4px}
.slash button{display:flex;gap:10px;align-items:center;width:100%;text-align:left;padding:7px 10px;border-radius:6px;font-size:14px}
.slash button small{color:var(--mut);display:block;font-size:12px}
.slash button.on,.slash button:hover{background:var(--hov)}
.slash .g{width:34px;height:34px;display:grid;place-items:center;border:1px solid var(--line);border-radius:6px;font-weight:700;flex:none}

/* lixeira / dialog */
.list{display:grid;gap:6px;margin-top:16px}
.item{display:flex;align-items:center;gap:8px;padding:8px 10px;border:1px solid var(--line);border-radius:8px}
.item span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dlg{border:1px solid var(--line);border-radius:14px;background:var(--bg);color:var(--fg);padding:22px;width:min(92vw,400px)}
.dlg::backdrop{background:rgba(0,0,0,.45)}
.dlg form{display:grid;gap:10px}
.dlg h3{margin:0 0 4px}
.dlg input{width:100%}
.dlg .row2{display:flex;gap:8px;justify-content:flex-end;margin-top:6px}
.scrim{display:none}

@media(max-width:760px){
  .app{grid-template-columns:1fr}
  .side{position:fixed;inset:0 auto 0 0;width:min(84vw,300px);z-index:30;transform:translateX(-100%);transition:transform .2s}
  .app.open .side{transform:none}
  .app.open .scrim{display:block;position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:25}
  .menu{display:block}
  .title{font-size:30px}
  .row .acts{display:flex}
}