:root {
  --ink:#17312b; --muted:#65746f; --paper:#fbfaf6; --card:#fff; --brand:#f05b3e;
  --brand-dark:#d9472e; --forest:#173f36; --mint:#dff1e8; --sun:#f7c85c;
  --line:#dde4df; --bad:#b43e35; --good:#24715c; --shadow:0 14px 38px rgba(26,58,49,.09);
  font-family:Inter,ui-rounded,"SF Pro Rounded",system-ui,-apple-system,sans-serif;
  color:var(--ink); background:var(--paper); font-synthesis:none;
}
*{box-sizing:border-box} body{margin:0;min-height:100vh;background:radial-gradient(circle at 90% 0,#fce9ce 0,transparent 28rem),var(--paper)}
button,input,textarea,select{font:inherit} button,a{tap-highlight-color:transparent}button:focus-visible,a:focus-visible{outline:3px solid var(--sun);outline-offset:3px}.topbar{height:72px;display:flex;align-items:center;justify-content:space-between;max-width:1040px;margin:auto;padding:0 24px}.brand{display:flex;align-items:center;gap:10px;color:var(--forest);font-size:1.3rem;font-weight:850;text-decoration:none}.brand span{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--brand);color:#fff;transform:rotate(-4deg)}
.profile-button{display:flex;gap:8px;align-items:center;border:1px solid var(--line);background:#ffffffcc;border-radius:999px;padding:5px 12px 5px 5px;color:var(--ink);cursor:pointer}.profile-button>span:first-child,.avatar{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:var(--forest);color:#fff;font-weight:800}
main{max-width:1040px;margin:auto;padding:32px 24px 110px}.hero{display:grid;grid-template-columns:1.35fr .65fr;gap:28px;align-items:stretch}.hero-main{background:var(--forest);color:#fff;padding:44px;border-radius:32px;position:relative;overflow:hidden}.hero-main:after{content:"abc";position:absolute;right:-8px;bottom:-38px;font:900 8rem Georgia;color:#ffffff0e;transform:rotate(-10deg)}.eyebrow{margin:0 0 8px;text-transform:uppercase;letter-spacing:.13em;font-size:.73rem;font-weight:850;color:var(--brand)}.hero-main .eyebrow{color:#ffaf97}h1{font-size:clamp(2rem,5vw,3.8rem);line-height:.98;letter-spacing:-.05em;margin:0 0 18px;max-width:700px}h2{font-size:1.55rem;letter-spacing:-.025em;margin:0}h3{margin:0;font-size:1.06rem}.lead{font-size:1.06rem;line-height:1.6;color:#d8e5e0;max-width:570px}.button{border:0;border-radius:14px;background:var(--brand);color:#fff;font-weight:800;padding:14px 20px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;box-shadow:0 7px 18px #a6342426}.button:hover{background:var(--brand-dark)}.button.secondary{background:var(--mint);color:var(--forest);box-shadow:none}.button.ghost{background:#fff;color:var(--forest);border:1px solid var(--line);box-shadow:none}.button.small{padding:10px 14px;border-radius:11px}.hero-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}
.today-card,.card{background:var(--card);border:1px solid #e8e5dc;border-radius:26px;padding:26px;box-shadow:var(--shadow)}.today-card{display:flex;flex-direction:column;justify-content:space-between}.ring{width:114px;height:114px;margin:14px auto;display:grid;place-items:center;border-radius:50%;background:conic-gradient(var(--brand) var(--progress,0%),#eeeae0 0);position:relative}.ring:after{content:"";position:absolute;inset:10px;background:#fff;border-radius:50%}.ring strong{z-index:1;font-size:1.5rem}.muted{color:var(--muted)}.section-head{display:flex;justify-content:space-between;align-items:end;margin:38px 0 16px}.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stat-card{padding:21px}.stat-card strong{display:block;font-size:1.8rem;margin-top:8px}.list-row{display:flex;align-items:center;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}.list-row:last-child{border:0}.list-icon{width:48px;height:48px;display:grid;place-items:center;background:var(--mint);border-radius:14px;font-size:1.35rem}.list-row .grow{flex:1}.list-row p{margin:4px 0 0;font-size:.9rem;color:var(--muted)}
.page-head{max-width:720px;margin-bottom:26px}.page-head h1{color:var(--forest);font-size:clamp(2.1rem,5vw,3.2rem)}.page-head p{color:var(--muted);line-height:1.6}.import-layout{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:20px}.hero>*,.import-layout>*{min-width:0}.upload-zone{min-height:320px;border:2px dashed #b9c9c2;border-radius:24px;background:#f8fbf9;display:grid;place-items:center;text-align:center;padding:25px;cursor:pointer;overflow:hidden;position:relative}.upload-zone:hover{border-color:var(--brand)}.upload-zone img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;background:#edf1ee}.upload-zone input{position:absolute;opacity:0;inset:0;width:100%;cursor:pointer}.upload-zone .upload-copy{z-index:1}.upload-icon{font-size:2.2rem}.field{display:grid;gap:7px;margin-bottom:15px}.field label,.inline-form label{font-weight:800;font-size:.84rem}.field input,.field textarea,.field select,.inline-form input,.answer-input{width:100%;border:1px solid #ccd6d1;border-radius:12px;padding:12px;background:#fff;color:var(--ink)}.field input:focus,.field textarea:focus,.answer-input:focus{outline:3px solid #f05b3e24;border-color:var(--brand)}.vocab-editor{display:grid;gap:10px}.vocab-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) 40px;gap:8px;padding:12px;background:#f7f8f5;border-radius:14px}.vocab-row input{min-width:0;border:1px solid transparent;background:#fff;padding:10px;border-radius:9px}.vocab-row input:focus{border-color:var(--brand);outline:0}.icon-button{width:40px;height:40px;border:0;border-radius:10px;background:#f2eee7;color:var(--muted);font-size:1.4rem;cursor:pointer}.notice{padding:13px 15px;border-radius:12px;background:#fff4d8;color:#624c16;font-size:.9rem;line-height:1.45}.empty{text-align:center;padding:55px 20px}.empty .big{font-size:3rem}.chips{display:flex;gap:7px;flex-wrap:wrap}.chip{font-size:.78rem;font-weight:800;background:var(--mint);padding:6px 9px;border-radius:999px;color:var(--forest)}
.learn-shell{max-width:680px;margin:auto}.learn-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.progress{height:9px;border-radius:99px;background:#e5e8e4;overflow:hidden;flex:1;margin:0 16px}.progress span{display:block;height:100%;background:var(--brand);transition:width .3s}.quiz-card{text-align:center;padding:clamp(26px,6vw,55px);min-height:420px;display:flex;flex-direction:column;justify-content:center}.quiz-card .prompt{font-size:clamp(2rem,8vw,3.8rem);font-weight:900;letter-spacing:-.04em;margin:22px 0}.quiz-card .hint{color:var(--muted)}.speak-button{width:76px;height:76px;border:0;border-radius:50%;background:var(--forest);color:#fff;font-size:2rem;margin:15px auto;cursor:pointer}.answer-input{font-size:1.2rem;text-align:center;margin:16px 0}.feedback{padding:14px;border-radius:13px;text-align:left;margin-top:12px}.feedback.good{background:#e2f3ec;color:var(--good)}.feedback.close{background:#fff4d8;color:#765710}.feedback.bad{background:#fbe8e6;color:var(--bad)}
.speech-actions{display:flex;flex-direction:column;align-items:center}.slow-speak{border:1px solid var(--line);background:#fff;color:var(--forest);border-radius:999px;padding:8px 14px;font-size:.82rem;font-weight:800;cursor:pointer}.voice-status{min-height:1.2em;margin:8px 0 0;color:var(--muted);font-size:.75rem}.ai-voice-button{display:block;margin:12px auto 0;border:0;border-radius:999px;background:var(--forest);color:#fff;padding:10px 16px;font:800 .86rem/1 inherit;cursor:pointer}.ai-voice-button:disabled{opacity:.65;cursor:wait}.ai-voice-note{text-align:center;margin:6px 0 0;color:var(--muted);font-size:.7rem}
.task-instruction{max-width:480px;margin:5px auto 10px;color:var(--forest);font-size:clamp(1.35rem,4vw,1.85rem);line-height:1.18}
.auto-next{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:12px;color:var(--muted);font-size:.82rem}.text-button{border:0;background:transparent;color:var(--brand);font-weight:850;cursor:pointer;padding:7px}.text-button:disabled{color:var(--muted)}.pause-overlay{position:absolute;inset:0;z-index:8;background:#173f36f2;color:#fff;border-radius:26px;display:grid;place-items:center;text-align:center;backdrop-filter:blur(5px);padding:24px}.pause-overlay>div{display:grid;justify-items:center;gap:9px}.pause-overlay .eyebrow{color:#ffaf97}.pause-overlay strong{font-size:4.5rem;line-height:.9}.pause-overlay span{color:#d8e5e0}.pause-overlay p:not(.eyebrow){margin:8px 0 14px;color:#e0ebe7;line-height:1.55}.pause-overlay .pause-end{min-width:min(270px,100%);font-size:1rem}.learn-shell{position:relative}
.answer-effect{position:absolute;top:12px;left:50%;z-index:3;pointer-events:none;display:flex;align-items:center;justify-content:center;gap:12px;transform:translateX(-50%)}.answer-effect i{font-style:normal;font-size:2.5rem;font-weight:900}.answer-effect.success i{color:#2ca67f;animation:burst .85s ease-out both}.answer-effect.success i:nth-child(2){animation-delay:.08s}.answer-effect.success i:nth-child(3){animation-delay:.16s}.answer-effect.close i{color:#e4ad27;animation:pencil .8s ease-out both}.answer-effect.wrong i{color:#b94d42;animation:softWrong .8s ease-out both}.quiz-card{position:relative}@keyframes burst{0%{opacity:0;transform:translateY(20px) scale(.2) rotate(-20deg)}45%{opacity:1;transform:translateY(-5px) scale(1.1) rotate(8deg)}100%{opacity:0;transform:translateY(-25px) scale(.8)}}@keyframes pencil{0%{opacity:0;transform:scale(.4) rotate(-25deg)}45%{opacity:1;transform:scale(1.1) rotate(8deg)}100%{opacity:0;transform:translateY(-25px) rotate(-5deg)}}@keyframes softWrong{0%{opacity:0;transform:scale(.5)}40%{opacity:1;transform:scale(1.05)}100%{opacity:0;transform:rotate(-25deg)}}
.test-result{text-align:center;padding:clamp(28px,6vw,55px)}.test-result h1{color:var(--forest);font-size:clamp(2rem,6vw,3rem);margin:18px auto 8px}.grade-badge{width:150px;height:150px;margin:18px auto;border-radius:42% 58% 55% 45%/48% 44% 56% 52%;display:grid;place-content:center;background:var(--forest);color:#fff;transform:rotate(-3deg);box-shadow:0 14px 30px #173f3630}.grade-badge>*{transform:rotate(3deg)}.grade-badge small{font-weight:800}.grade-badge strong{font-size:4.5rem;line-height:.9}.grade-1,.grade-2{background:#26745e}.grade-3,.grade-4{background:#d69d20}.grade-5,.grade-6{background:#b94d42}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:28px 0}.result-grid div{background:#e5f3ed;color:var(--good);padding:16px 8px;border-radius:15px}.result-grid .yellow{background:#fff2cf;color:#785a13}.result-grid .red{background:#f9e5e2;color:var(--bad)}.result-grid strong{display:block;font-size:1.6rem}.result-grid span{font-size:.78rem;font-weight:800}.result-note{font-size:.86rem;color:var(--muted);line-height:1.5}
.bottom-nav{display:none}.toast{position:fixed;left:50%;bottom:90px;transform:translate(-50%,20px);background:#172e28;color:#fff;padding:12px 18px;border-radius:12px;opacity:0;pointer-events:none;transition:.25s;z-index:20}.toast.show{opacity:1;transform:translate(-50%,0)}dialog{border:0;border-radius:24px;padding:25px;box-shadow:0 25px 80px #172e2840;width:min(480px,calc(100% - 30px))}dialog::backdrop{background:#172e2866;backdrop-filter:blur(3px)}.dialog-head{display:flex;justify-content:space-between}.profile-list{margin:20px 0}.profile-option{width:100%;border:0;background:#f5f7f4;padding:12px;border-radius:14px;display:flex;align-items:center;gap:12px;margin:8px 0;cursor:pointer;text-align:left}.profile-option.active{outline:2px solid var(--brand)}.inline-form>div{display:flex;gap:8px;margin-top:7px}.privacy-note{font-size:.78rem;color:var(--muted);line-height:1.45}
@media(max-width:760px){.topbar{height:62px;padding:0 16px}.profile-button{max-width:46%;overflow:hidden}.profile-button #profileName{overflow:hidden;text-overflow:ellipsis}main{padding:20px 15px 100px;overflow:hidden}.hero,.import-layout{grid-template-columns:minmax(0,1fr)}.hero-main{padding:30px 22px;border-radius:25px}.hero-main h1{font-size:2.15rem;line-height:1.04}.hero-main h1,.page-head h1,.today-card h2,.lead{overflow-wrap:anywhere;max-width:100%}.lead{font-size:.98rem}.hero-actions{display:grid;grid-template-columns:minmax(0,1fr)}.hero-actions .button{display:block;width:100%;max-width:100%;white-space:normal;text-align:center;font-size:.96rem;padding:13px 10px;overflow-wrap:anywhere}.today-card{min-height:260px}.card-grid{grid-template-columns:minmax(0,1fr)}.bottom-nav{display:flex;position:fixed;bottom:0;left:0;right:0;z-index:10;background:#fffdf9ed;border-top:1px solid var(--line);backdrop-filter:blur(14px);padding:7px max(10px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(10px,env(safe-area-inset-left));justify-content:space-around}.bottom-nav a{color:var(--muted);font-size:.72rem;font-weight:750;text-decoration:none;display:grid;gap:2px;text-align:center;min-width:75px}.bottom-nav a span{font-size:1.4rem}.bottom-nav a.active{color:var(--brand)}.vocab-row{grid-template-columns:minmax(0,1fr) minmax(0,1fr) 36px;padding:8px;gap:5px}.page-head{margin-bottom:18px}.quiz-card{min-height:390px}.desktop-only{display:none}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
.list-row .grow{min-width:0}.edit-link{display:grid;place-items:center;text-decoration:none;flex:0 0 auto}.edit-card{display:grid;gap:20px}.edit-meta{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:14px}.edit-vocab-row{grid-template-columns:32px minmax(0,1fr) minmax(0,1fr) 40px;align-items:center}.edit-vocab-row .sentence-field{grid-column:2/4}.row-number{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--forest);color:#fff;font-size:.75rem;font-weight:850}.editor-footer,.editor-actions{display:flex;align-items:center;justify-content:space-between;gap:10px}.editor-actions{justify-content:flex-end}
.clickable-card{color:var(--ink);text-decoration:none;transition:transform .18s,box-shadow .18s}.clickable-card:hover{transform:translateY(-3px);box-shadow:0 18px 42px rgba(26,58,49,.14)}.clickable-card small{display:block;margin-top:12px;color:var(--brand);font-weight:850}.learn-list{flex:0 0 auto}.session-list-name{text-align:center;color:var(--muted);font-size:.82rem;font-weight:800;margin:-8px 0 12px}
.choice-options{display:grid;gap:10px;margin:22px auto 10px;max-width:460px}.choice-option{border:2px solid var(--line);background:#fff;color:var(--forest);border-radius:15px;padding:14px;font-weight:850;cursor:pointer}.choice-option:hover{border-color:var(--brand);background:#fff7f3}.choice-option:disabled{cursor:default;opacity:.72}.phase-badge{width:110px;height:110px;margin:18px auto;display:grid;place-items:center;border-radius:34px;background:var(--forest);color:#fff;font-size:3.2rem;font-weight:900;transform:rotate(-3deg)}
@media(max-width:760px){.edit-meta{grid-template-columns:1fr}.edit-vocab-row{grid-template-columns:28px minmax(0,1fr) 36px}.edit-vocab-row input[data-edit-key="term"],.edit-vocab-row input[data-edit-key="translation"],.edit-vocab-row .sentence-field{grid-column:2/3}.edit-vocab-row button{grid-column:3;grid-row:1}.editor-footer,.editor-actions{display:grid;grid-template-columns:1fr;width:100%}.editor-footer .button,.editor-actions .button{width:100%}}