:root{
  --bg:#fcf9fb;--card:#fff;--text:#514555;--muted:#877a88;--line:#ede4ed;
  --pink:#f7dce8;--pink-strong:#99647d;--mint:#ddf0e7;--blue:#e2eef9;--lilac:#ece5f7;
  font-family:ui-rounded,"Hiragino Maru Gothic ProN","PingFang SC",system-ui,sans-serif;
  color:var(--text);background:var(--bg);font-size:16px
}
*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit;color:inherit}button{border:0;border-radius:15px;background:var(--lilac);padding:12px 18px;min-height:46px;font-weight:650;cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button:active{transform:scale(.985)}button.primary{background:var(--pink);color:#744e63}button.mint{background:var(--mint);color:#456555}button.ghost{background:transparent;border:1px solid var(--line)}button.small{padding:8px 12px;min-height:38px;font-size:.85rem}button.wide{width:100%}input,textarea,select{width:100%;border:1px solid #e4d9e5;border-radius:13px;background:#fff;padding:12px 14px;min-height:46px}textarea{resize:vertical;line-height:1.7}a{color:#8d637e;text-decoration:none}h1,h2,h3,p{margin-top:0}h1{font-size:1.75rem;line-height:1.5}h2{font-size:1.25rem}p{line-height:1.75}.muted,.help{color:var(--muted)}.muted{font-size:.9rem}.help{font-size:.8rem;line-height:1.7}.eyebrow{font-size:.72rem;letter-spacing:.17em;font-weight:800;color:var(--pink-strong);margin-bottom:8px}.loading{min-height:80vh;display:grid;place-items:center;color:var(--muted)}
.shell{display:grid;grid-template-columns:220px 1fr;min-height:100dvh}.side{position:sticky;top:0;height:100dvh;padding:34px 20px;background:#fffafd;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:32px}.brand{display:flex;align-items:center;gap:11px;padding:0 10px}.brand img{width:43px}.brand strong{font-size:1.5rem}.brand small{display:block;color:var(--muted);font-size:.7rem;letter-spacing:.1em}.nav{display:grid;gap:8px}.nav button{background:transparent;color:var(--muted);display:flex;align-items:center;gap:11px;text-align:left}.nav button.active{background:var(--pink);color:#704f63}.nav svg{width:21px;height:21px}.side-note{margin-top:auto;padding:0 12px;color:var(--muted);font-size:.75rem;line-height:1.8}.main{width:100%;max-width:1180px;margin:0 auto;padding:38px 46px 70px}.top{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.pill{display:inline-flex;padding:7px 11px;border-radius:99px;background:var(--lilac);font-size:.75rem}.pill.mint{background:var(--mint)}.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.spread{justify-content:space-between}.stack{display:grid;gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:0 8px 30px #60465b08}.summary{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:24px 0 30px}.metric{border-radius:21px;padding:19px;background:var(--mint)}.metric:nth-child(2){background:var(--blue)}.metric:nth-child(3){background:var(--lilac)}.metric strong{display:block;font-size:1.75rem}.metric span{font-size:.83rem}.section-title{display:flex;justify-content:space-between;align-items:center;margin:28px 0 15px}.section-title h2{margin:0}.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:17px}.library{display:flex;flex-direction:column;gap:14px;align-items:flex-start}.library h3{font-size:1.1rem;margin:0}.library .actions{display:flex;gap:8px;width:100%;margin-top:auto}.library .actions button:first-child{flex:1}.strip{width:70px;height:7px;border-radius:10px;background:linear-gradient(90deg,var(--pink) 35%,var(--lilac) 35% 67%,var(--mint) 67%)}.empty{text-align:center;padding:42px 24px;border:1px dashed #ddcedd;border-radius:24px;background:#fffbfe}.empty p{max-width:430px;margin:10px auto 22px}.circle{width:60px;height:60px;border-radius:22px;background:var(--lilac);display:grid;place-items:center;margin:0 auto 18px}.circle svg{width:28px}.history{display:flex;justify-content:space-between;gap:20px;padding:15px 0;border-bottom:1px solid var(--line)}.history:last-child{border:0}
.flow{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-bottom:23px}.flow span{font-size:.78rem;color:var(--muted);padding:7px 10px;border-radius:20px}.flow span.active{background:var(--pink);color:#704f63}.flow i{width:11px;height:1px;background:#ddd0df}.learn{max-width:820px;margin:auto}.player{margin:20px 0;padding:30px 24px;text-align:center;border-radius:29px;background:linear-gradient(145deg,#fdf2f7,#f5f0fb);border:1px solid #ecdfeb}.player h2{margin:12px 0 5px}.waves{height:74px;display:flex;align-items:center;justify-content:center;gap:7px;margin:15px}.waves i{width:7px;height:25px;border-radius:8px;background:#c6acce}.waves i:nth-child(2),.waves i:nth-child(6){height:42px}.waves i:nth-child(3),.waves i:nth-child(5){height:58px;background:#d8abc2}.waves i:nth-child(4){height:70px;background:#bcaad1}.playing .waves i{animation:pulse .8s ease-in-out infinite alternate}.playing .waves i:nth-child(even){animation-delay:.25s}@keyframes pulse{to{transform:scaleY(.55)}}.transport{display:flex;justify-content:center;align-items:center;gap:17px;margin:20px}.transport button{border-radius:50%;background:transparent;padding:10px}.transport .play{width:70px;height:70px;background:#977087;color:white;display:grid;place-items:center}.transport svg{width:25px}.time{display:flex;align-items:center;gap:10px;max-width:530px;margin:15px auto 9px;font-size:.75rem;color:var(--muted)}progress{width:100%;height:5px;border:0;appearance:none;background:#e6dce7}progress::-webkit-progress-bar{background:#e6dce7;border-radius:5px}progress::-webkit-progress-value{background:#ae8aa4;border-radius:5px}.hint{display:inline-block;background:#fff9;padding:10px 15px;border-radius:14px;margin:12px 0;font-size:.88rem}.bottom-actions{display:flex;justify-content:space-between;gap:12px}.text-card{line-height:2}.sentence{font-size:1.35rem;line-height:2.15;margin:16px 0}.token{background:transparent;padding:1px;margin:0;border-radius:5px;min-height:0;font-weight:400;font-size:inherit;line-height:inherit;border-bottom:2px solid #e7d3e9}.translation{background:#f1f8f4;border-radius:15px;padding:15px 18px}.grammar{display:flex;gap:9px;flex-wrap:wrap}.grammar button{padding:9px 12px;min-height:38px}.chat{border-top:1px solid var(--line);padding-top:18px;margin-top:22px}.messages{display:grid;gap:10px;max-height:360px;overflow:auto;margin:14px 0}.message{white-space:pre-wrap;overflow-wrap:anywhere;background:#f5f2f8;border-radius:16px;padding:13px 16px;line-height:1.7}.message.user{background:#fbe8f0;margin-left:30px}.chat-form{display:flex;gap:9px}.chat-form input{flex:1;min-width:0}.question{background:#fff;border:1px solid var(--line);border-radius:21px;padding:22px}.choices{display:grid;grid-template-columns:1fr 1fr;gap:9px}.choice{display:flex;gap:9px;align-items:center;background:#faf8fb;border:1px solid var(--line);border-radius:13px;padding:13px}.choice:has(input:checked){background:var(--pink)}.choice input{width:auto;min-height:0;accent-color:#946b83}.paper{display:block;background:var(--blue);padding:15px 18px;border-radius:16px;margin-bottom:18px}.done{text-align:center;padding:42px}.done strong{display:block;font-size:3rem;margin:18px}
.tabs{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.tabs button{background:transparent;border:1px solid var(--line)}.tabs button.active{background:var(--lilac);border-color:transparent}.field{display:grid;gap:7px;margin-bottom:17px;font-size:.9rem}.import-grid{display:grid;grid-template-columns:1fr 1fr;gap:17px}.source{background:#f4f0fa;border-radius:20px;padding:21px}.source p{font-size:.87rem;color:var(--muted)}.job{display:flex;align-items:flex-start;gap:11px;padding:15px 0;border-bottom:1px solid var(--line)}.job:last-child{border:0}.grow{flex:1;min-width:0}.spinner{width:17px;height:17px;border:2px solid #d9c6dc;border-top-color:#936b85;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.weak{display:flex;gap:13px;align-items:center;padding:17px 0;border-bottom:1px solid var(--line)}.weak:last-child{border:0}.editor-row{padding:17px 0;border-bottom:1px solid var(--line);display:grid;gap:10px}.times{display:flex;align-items:end;gap:9px;flex-wrap:wrap}.times label{display:grid;gap:4px;font-size:.72rem;width:106px}.times input{padding:8px;min-height:39px}.sticky{position:sticky;bottom:0;z-index:5;background:#fffafced;border:1px solid var(--line);backdrop-filter:blur(10px);padding:13px;border-radius:17px;margin-top:18px}.notice{background:#fff4dc;border-radius:14px;padding:13px 16px;font-size:.86rem;line-height:1.7;margin:15px 0}.login{max-width:420px;margin:10vh auto;padding:35px}.login .brand{justify-content:center;margin-bottom:27px}.login h1,.login p{text-align:center}dialog{border:1px solid var(--line);border-radius:23px;padding:27px;max-width:450px;width:calc(100% - 30px);color:var(--text)}dialog::backdrop{background:#48394c55}.close{float:right;background:transparent;padding:4px;min-height:34px}#toast{display:none;position:fixed;z-index:100;bottom:90px;left:50%;transform:translateX(-50%);background:#604e63;color:white;border-radius:14px;padding:12px 18px;max-width:90%;font-size:.88rem}.hide{display:none!important}
@media(max-width:900px){.shell{grid-template-columns:88px 1fr}.side{align-items:center;padding:28px 12px}.brand div,.nav span,.side-note{display:none}.nav button{padding:14px}.main{padding:29px}.grid{grid-template-columns:1fr}}
@media(max-width:600px){.shell{display:block}.side{position:fixed;z-index:20;top:auto;bottom:0;left:0;right:0;height:auto;padding:7px 9px calc(7px + env(safe-area-inset-bottom));border:0;border-top:1px solid var(--line);backdrop-filter:blur(15px);background:#fffafcf2}.side>.brand,.side-note{display:none}.nav{display:flex;justify-content:space-around;width:100%;gap:2px}.nav button{display:flex;flex-direction:column;gap:4px;padding:6px 9px;font-size:.69rem}.nav span{display:block}.main{padding:23px 19px calc(102px + env(safe-area-inset-bottom))}.summary{gap:8px}.metric{padding:16px 11px}.metric strong{font-size:1.45rem}.metric span{font-size:.72rem}.card{padding:20px}.import-grid{grid-template-columns:1fr}.flow{gap:3px}.flow span{font-size:.67rem;padding:6px 7px}.flow i{width:5px}.player{padding:25px 16px}.choices{grid-template-columns:1fr}.sentence{font-size:1.25rem}.bottom-actions button{padding:11px;font-size:.85rem}.chat-form{flex-wrap:wrap}.sticky{bottom:81px}.login{margin:7vh auto}.library .actions{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}
.check{display:flex;align-items:center;gap:10px;margin:16px 0;font-size:.9rem}.check input{width:20px;min-height:20px;accent-color:#99647d}button:focus-visible,a:focus-visible{outline:3px solid #9478b4;outline-offset:3px}.card,.source,.sentence{overflow-wrap:anywhere}.main{min-width:0}