:root{--bg:#fff;--side:#f3f3f1;--card:#fff;--ink:#141517;--mute:#6f7480;--line:#e7e7e4;--chip:#f7f7f5;--hover:#e9e9e6;--btn:#141517;--btn-ink:#fff;--brand:#2563eb;--teal:#12b8a0;--rec:#e5383b;--ok:#16a34a;--off:#dc2626;--seg:#efefec}
@media (prefers-color-scheme:dark){:root{--bg:#121316;--side:#1b1d21;--card:#17191d;--ink:#eceef1;--mute:#98a0ad;--line:#2a2d33;--chip:#1d2024;--hover:#272a30;--btn:#eceef1;--btn-ink:#141517;--brand:#6d9bff;--teal:#2dd4bf;--seg:#23262b}}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.5 system-ui,-apple-system,"Segoe UI","Microsoft JhengHei UI",sans-serif}
button{font:inherit;color:inherit;cursor:pointer}
svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
[hidden]{display:none!important}

#shell{display:flex;height:100vh}
#side{width:260px;margin:12px;padding:16px 12px;background:var(--side);border-radius:22px;display:flex;flex-direction:column;gap:4px;transition:width .18s;flex:none;overflow:hidden}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 14px;font-weight:700;font-size:1.3rem;letter-spacing:-.01em;white-space:nowrap}
.brand .logo{width:28px;height:28px;border-radius:9px;background:var(--btn);color:var(--btn-ink);display:grid;place-items:center}
.brand .logo svg{width:16px;height:16px}
.brand .grow{flex:1}
.icon-btn{background:none;border:0;border-radius:10px;padding:6px;color:var(--mute);display:grid;place-items:center}
.icon-btn:hover{background:var(--hover);color:var(--ink)}
.nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:12px;color:var(--ink);text-decoration:none;white-space:nowrap}
.nav a:hover{background:var(--hover)}.nav a.on{background:var(--hover);font-weight:600}
.side-grow{flex:1}
.hotkey{background:var(--bg);border-radius:16px;padding:14px;font-size:.85rem;color:var(--mute)}
.hotkey b{color:var(--ink);display:block;font-size:.95rem;margin-bottom:2px}
kbd{background:var(--chip);border:1px solid var(--line);border-bottom-width:2px;border-radius:6px;padding:0 6px;font:inherit;font-size:.8rem;color:var(--ink)}
.side-foot{display:flex;justify-content:space-between;align-items:center;padding:10px 8px 0;color:var(--mute)}
.who{font-size:.8rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
body.collapsed #side{width:72px}
body.collapsed .brand .txt,body.collapsed .brand .grow,body.collapsed .nav span,body.collapsed .hotkey,body.collapsed .who{display:none}
body.collapsed .nav a{justify-content:center;padding:10px}
body.collapsed .side-foot{justify-content:center}
body.collapsed .brand{justify-content:center;flex-direction:column;gap:6px;padding-bottom:10px}

#main{flex:1;min-width:0;overflow:auto;padding:28px 40px 60px}
.page{max-width:1000px;margin:0 auto}
.topbar{display:none}
h1{font-size:2.1rem;letter-spacing:-.02em;margin:.3rem 0 1rem;font-weight:700}
.head{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.head h1{flex:1;margin:.3rem 0 1rem}
.btn{display:inline-flex;align-items:center;gap:8px;border:0;border-radius:99px;padding:10px 20px;background:var(--btn);color:var(--btn-ink);font-weight:600}
.btn.ghost{background:var(--chip);color:var(--ink);border:1px solid var(--line)}
.btn.rec{background:var(--rec);color:#fff}
.btn.sm{padding:6px 14px;font-size:.88rem}
.btn:disabled{opacity:.5;cursor:default}
select,input[type=text],input[type=search],textarea{font:inherit;color:var(--ink);background:var(--chip);border:1px solid var(--line);border-radius:12px;padding:9px 12px;max-width:100%}
select{padding-right:8px}textarea{width:100%;resize:vertical}
label.f{display:block;font-size:.82rem;color:var(--mute);margin:12px 0 4px}
label.f input,label.f select{width:100%}
.card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:18px 20px}
.mute{color:var(--mute)}small,.small{font-size:.82rem;color:var(--mute)}

/* segmented tabs + search (Dictionary / History) */
.bar{display:flex;align-items:center;gap:12px;margin:6px 0 16px}
.seg{display:inline-flex;background:var(--seg);border-radius:99px;padding:4px;gap:2px}
.seg button{border:0;background:none;padding:7px 18px;border-radius:99px;color:var(--mute);display:flex;align-items:center;gap:7px}
.seg button.on{background:var(--bg);color:var(--ink);box-shadow:0 1px 2px #0001}
.seg button svg{width:16px;height:16px}
.bar .grow{flex:1}
.searchbox{display:flex;align-items:center;gap:6px;background:var(--seg);border-radius:99px;padding:0 6px 0 12px}
.searchbox input{border:0;background:none;padding:8px 4px;width:200px;outline:none}

/* dictionary grid */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.word{display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:14px;background:var(--card);text-align:left;overflow:hidden}
.word:hover{background:var(--chip)}
.word .t{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.word .al{display:block;font-size:.75rem;color:var(--mute);overflow:hidden;text-overflow:ellipsis}
.word svg{width:18px;height:18px}.word .auto{color:var(--teal)}.word .manual{color:var(--mute)}.word .synced{color:var(--brand)}
.empty{padding:40px;text-align:center;color:var(--mute)}

/* history */
.set{padding:0}
.set .r{display:flex;align-items:center;gap:14px;padding:16px 20px}.set .r+.r{border-top:1px solid var(--line)}
.set .r .g{flex:1}.set .r b{display:flex;align-items:center;gap:8px;font-weight:600}
.day{color:var(--mute);margin:22px 0 8px;font-size:.9rem}
.items{border:1px solid var(--line);border-radius:16px;overflow:hidden}
.item{display:flex;gap:18px;padding:16px 20px;position:relative}.item+.item{border-top:1px solid var(--line)}
.item:hover{background:var(--chip)}
.item .tm{color:var(--mute);font-size:.85rem;width:74px;flex:none;padding-top:2px}
.item .tx{flex:1;min-width:0;white-space:pre-wrap;overflow-wrap:anywhere}
.item .src{font-size:.72rem;color:var(--mute);margin-top:4px}
.item .acts{display:none;gap:2px;align-items:flex-start}.item:hover .acts{display:flex}
.fixchip{display:inline-block;font-size:.75rem;color:var(--brand);margin-right:8px}
.menu{position:absolute;right:0;top:100%;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:6px;box-shadow:0 8px 24px #0002;z-index:20;min-width:180px}
.menu button{display:block;width:100%;text-align:left;border:0;background:none;padding:9px 12px;border-radius:8px}.menu button:hover{background:var(--hover)}
.rel{position:relative}

/* home */
.dictate{display:flex;flex-direction:column;gap:14px}
.mic-row{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.micbtn{width:76px;height:76px;border-radius:50%;border:0;background:var(--btn);color:var(--btn-ink);display:grid;place-items:center;flex:none}
.micbtn svg{width:30px;height:30px}
.micbtn.on{background:var(--rec);color:#fff;animation:pulse 1.4s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 #e5383b66}70%{box-shadow:0 0 0 18px #e5383b00}100%{box-shadow:0 0 0 0 #e5383b00}}
.mic-info b{display:block;font-size:1.05rem}
.opts{display:flex;gap:10px;flex-wrap:wrap;margin-left:auto}
.out{min-height:170px;font-size:1.05rem;line-height:1.7}
.partial{color:var(--mute)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}
.stat b{font-size:1.7rem;display:block;letter-spacing:-.02em}
.chip{display:inline-block;padding:2px 10px;border-radius:99px;border:1px solid var(--line);margin:2px 6px 2px 0;font-size:.82rem}
.chip.ok{color:var(--ok);border-color:var(--ok)}.chip.off{color:var(--off);border-color:var(--off)}
.err{color:var(--off)}
.drop{border:2px dashed var(--line);border-radius:18px;padding:36px;text-align:center;color:var(--mute)}
.drop.over{background:var(--chip);border-color:var(--brand)}

/* dialog */
dialog{border:1px solid var(--line);border-radius:20px;background:var(--card);color:var(--ink);padding:24px;width:min(460px,92vw)}
dialog::backdrop{background:#0006}
dialog h2{margin:0 0 6px;font-size:1.25rem}
dialog .row{display:flex;gap:8px;justify-content:flex-end;margin-top:18px}
.heard{margin-top:10px;display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:var(--btn);color:var(--btn-ink);padding:10px 18px;border-radius:99px;z-index:50;font-size:.9rem}

#login{position:fixed;inset:0;background:var(--bg);display:grid;place-items:center;text-align:center;z-index:40}
#login .box{max-width:360px;padding:24px}

@media (max-width:860px){
  .grid,.cards{grid-template-columns:1fr 1fr}
  #main{padding:16px 16px 60px}
}
@media (max-width:640px){
  .grid,.cards{grid-template-columns:1fr}
  #side{position:fixed;z-index:30;top:0;left:0;bottom:0;margin:8px;transform:translateX(-120%);transition:transform .18s;width:260px!important}
  body.nav-open #side{transform:none}
  body.collapsed .brand .txt,body.collapsed .nav span,body.collapsed .hotkey,body.collapsed .who{display:revert}
  .topbar{display:flex;align-items:center;gap:8px;margin-bottom:4px}
  h1{font-size:1.7rem}
  .item{flex-direction:column;gap:4px}.item .acts{display:flex}
  .opts{margin-left:0}
}

.sess{width:100%;box-sizing:border-box;margin:0 0 10px;padding:9px 12px;border:1px solid var(--line);border-radius:10px;background:transparent;color:inherit;font:inherit;font-size:.9rem}
h2.sub{font-size:1.05rem;margin:26px 0 8px}
.sw{position:relative;display:inline-block;width:42px;height:24px;flex:none}.sw input{opacity:0;width:0;height:0;position:absolute}
.sw span{position:absolute;inset:0;border-radius:24px;background:var(--line);transition:background .15s;cursor:pointer}
.sw span:before{content:"";position:absolute;left:3px;top:3px;width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .15s;box-shadow:0 1px 2px rgba(0,0,0,.3)}
.sw input:checked+span{background:var(--brand)}.sw input:checked+span:before{transform:translateX(18px)}
.sw input:focus-visible+span{outline:2px solid var(--brand);outline-offset:2px}
.tidychip{background:rgba(0,0,0,.05);border-radius:10px;padding:1px 8px}
.menu button:disabled{opacity:.4;cursor:not-allowed}