:root{--bg: #0e1513;--bg-glow: #163029;--surface: rgba(255, 255, 255, .045);--surface-2: rgba(255, 255, 255, .08);--border: rgba(255, 255, 255, .1);--border-strong: rgba(255, 255, 255, .18);--text: #eef3ef;--muted: #9db0a7;--faint: #6f827a;--jade: #3ccfa6;--jade-deep: #1f7a6b;--gold: #e9b35c;--rose: #ec8ba2;--again: #e8746b;--hard: #d6a35a;--good: #3ccfa6;--easy: #58b6e6;--r-sm: 12px;--r-md: 18px;--r-lg: 26px;--shadow: 0 18px 50px -18px rgba(0, 0, 0, .7);--shadow-soft: 0 8px 24px -12px rgba(0, 0, 0, .6);--maxw: 480px;--font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif}*{box-sizing:border-box}html,body{margin:0;height:100%}body{font-family:var(--font);color:var(--text);background:radial-gradient(120% 80% at 50% -10%,var(--bg-glow) 0%,transparent 55%),radial-gradient(90% 60% at 100% 110%,#14241f 0%,transparent 60%),var(--bg);background-attachment:fixed;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overscroll-behavior-y:none}#app{min-height:100%;display:flex;flex-direction:column}.screen{width:100%;max-width:var(--maxw);margin:0 auto;flex:1;display:flex;flex-direction:column;padding:max(env(safe-area-inset-top),14px) 20px max(env(safe-area-inset-bottom),20px)}h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em}h1{font-size:1.9rem}.muted{color:var(--muted)}.faint{color:var(--faint)}.center{text-align:center}.topbar{display:flex;align-items:center;gap:12px;min-height:44px;margin-bottom:8px}.topbar .title{font-weight:650;font-size:1.02rem;letter-spacing:-.01em}.topbar .spacer{flex:1}.iconbtn{display:grid;place-items:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;transition:background .15s,transform .1s}.iconbtn:active{transform:scale(.92)}.icon{display:inline-flex}.icon svg{width:1.25em;height:1.25em;display:block}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid transparent;border-radius:999px;padding:15px 22px;font:inherit;font-weight:650;font-size:1.02rem;color:var(--text);background:var(--surface-2);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:10px;transition:transform .1s,filter .15s,background .15s,opacity .15s;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent}.btn:active{transform:scale(.97)}.btn[disabled]{opacity:.4;pointer-events:none}.btn--primary{background:linear-gradient(180deg,var(--jade) 0%,var(--jade-deep) 100%);color:#06231d;box-shadow:var(--shadow-soft)}.btn--primary:active{filter:brightness(1.05)}.btn--ghost{background:var(--surface);border-color:var(--border)}.btn--block{width:100%}.btn--lg{padding:18px 24px;font-size:1.08rem}.btn .icon svg{width:1.15em;height:1.15em}.stack{display:flex;flex-direction:column;gap:12px}.row{display:flex;gap:12px}.grow,.fill,.spacer-grow{flex:1}.chip{display:inline-flex;align-items:center;gap:6px;font-size:.74rem;font-weight:650;letter-spacing:.04em;text-transform:uppercase;padding:5px 11px;border-radius:999px;border:1px solid var(--border);color:var(--muted);background:var(--surface)}.chip--word{color:var(--gold);border-color:#e9b35c59}.chip--sentence{color:var(--jade);border-color:#3ccfa64d}.hero{text-align:center;margin:8vh 0 6vh}.hero .mark{font-size:.8rem;letter-spacing:.32em;text-transform:uppercase;color:var(--jade);font-weight:700;margin-bottom:14px}.hero h1{font-size:2.4rem;line-height:1.05}.hero p{color:var(--muted);margin-top:14px;font-size:1.05rem;line-height:1.5}.door{display:flex;align-items:center;gap:16px;width:100%;text-align:left;padding:20px;border-radius:var(--r-lg);border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;transition:transform .12s,border-color .15s,background .15s}.door:active{transform:scale(.985)}.door .badge{width:54px;height:54px;flex:none;display:grid;place-items:center;border-radius:16px;background:linear-gradient(180deg,var(--jade) 0%,var(--jade-deep) 100%);color:#06231d}.door .badge .icon svg{width:1.6em;height:1.6em}.door .d-title{font-weight:680;font-size:1.12rem}.door .d-sub{color:var(--muted);font-size:.92rem;margin-top:2px}.door .chev{margin-left:auto;color:var(--faint)}.progress{height:7px;border-radius:999px;background:var(--surface-2);overflow:hidden;margin:4px 0 2px}.progress>i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--jade),var(--gold));transition:width .35s cubic-bezier(.4,0,.2,1)}.progress-meta{display:flex;justify-content:space-between;font-size:.82rem;color:var(--muted)}.cardarea{flex:1;display:flex;flex-direction:column;justify-content:center;gap:22px;padding:12px 0}.context{font-size:.92rem;color:var(--faint)}.context b{color:var(--muted);font-weight:600}.prompt{font-size:clamp(2.1rem,9vw,3rem);line-height:1.12;font-weight:720;letter-spacing:-.02em}.prompt--word{color:var(--gold)}.gloss{font-size:1.15rem;color:var(--muted)}.note{font-size:.92rem;color:var(--faint);line-height:1.5;border-left:2px solid var(--border-strong);padding-left:12px}.recwrap{display:flex;flex-direction:column;align-items:center;gap:14px}.recbtn{--size: 104px;width:var(--size);height:var(--size);border-radius:999px;border:none;display:grid;place-items:center;cursor:pointer;color:#06231d;background:linear-gradient(180deg,var(--jade) 0%,var(--jade-deep) 100%);box-shadow:0 12px 34px -8px #3ccfa68c;transition:transform .12s,box-shadow .2s,background .2s;position:relative}.recbtn .icon svg{width:40px;height:40px}.recbtn:active{transform:scale(.94)}.recbtn--live{color:#fff;background:linear-gradient(180deg,#ef7e72,#c5483c);box-shadow:0 12px 40px -6px #e8746b99}.recbtn--live:after{content:"";position:absolute;top:-6px;right:-6px;bottom:-6px;left:-6px;border-radius:999px;border:3px solid rgba(232,116,107,.5);animation:pulse 1.4s ease-out infinite}@keyframes pulse{0%{transform:scale(1);opacity:.8}to{transform:scale(1.35);opacity:0}}.rec-hint{font-size:.95rem;color:var(--muted);min-height:1.3em}.rec-timer{font-variant-numeric:tabular-nums;font-weight:650;color:var(--again)}.grades{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.grade{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid var(--border);cursor:pointer;border-radius:var(--r-md);padding:13px 6px 11px;background:var(--surface);color:var(--text);display:flex;flex-direction:column;align-items:center;gap:3px;font:inherit;transition:transform .1s,background .15s}.grade:active{transform:scale(.95)}.grade .g-label{font-weight:650;font-size:.92rem}.grade .g-when{font-size:.72rem;color:var(--faint)}.grade--again{border-color:#e8746b66}.grade--again .g-label{color:var(--again)}.grade--hard{border-color:#d6a35a59}.grade--hard .g-label{color:var(--hard)}.grade--good{border-color:#3ccfa659}.grade--good .g-label{color:var(--good)}.grade--easy{border-color:#58b6e659}.grade--easy .g-label{color:var(--easy)}.voicebtn{display:inline-flex;align-items:center;gap:10px;align-self:center;padding:13px 22px;border-radius:999px;cursor:pointer;border:1px solid rgba(60,207,166,.4);background:#3ccfa61a;color:var(--jade);font:inherit;font-weight:650;transition:transform .1s,background .15s}.voicebtn:active{transform:scale(.96)}.voicebtn.playing{background:#3ccfa633}.browse{display:flex;flex-direction:column;gap:10px;padding-bottom:12px}.b-sentence{border:1px solid var(--border);border-radius:var(--r-md);background:var(--surface);overflow:hidden}.b-head{display:flex;align-items:center;gap:12px;padding:15px 16px;cursor:pointer}.b-head .b-id{font-weight:650;font-size:1.05rem}.b-head .b-gloss{color:var(--muted);font-size:.86rem}.b-head .b-play{margin-left:auto;color:var(--jade);border:none;background:none;padding:6px;cursor:pointer;display:inline-flex;-webkit-tap-highlight-color:transparent;transition:transform .1s}.b-head .b-play:active{transform:scale(.9)}.b-head .b-play.playing{opacity:.6}.b-words{display:flex;flex-wrap:wrap;gap:8px;padding:0 16px 15px}.wordpill{display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border-radius:999px;cursor:pointer;border:1px solid rgba(233,179,92,.3);background:#e9b35c14;color:var(--gold);font:inherit;font-weight:600;font-size:.92rem;transition:transform .1s,background .15s}.wordpill:active{transform:scale(.95)}.wordpill .x-gloss{color:var(--faint);font-weight:500}.wordpill.playing{background:#e9b35c33}.tabs{display:flex;gap:6px;padding:5px;background:var(--surface);border-radius:999px;border:1px solid var(--border)}.tab{flex:1;text-align:center;padding:10px;border-radius:999px;cursor:pointer;font-weight:600;font-size:.95rem;color:var(--muted);border:none;background:transparent;font-family:inherit;transition:background .15s,color .15s}.tab--active{background:var(--surface-2);color:var(--text)}.bigicon{width:86px;height:86px;margin:0 auto 8px;border-radius:999px;display:grid;place-items:center;background:var(--surface);border:1px solid var(--border);color:var(--jade)}.bigicon .icon svg{width:40px;height:40px}.bigicon--rose{color:var(--rose)}.center-screen{flex:1;display:flex;flex-direction:column;justify-content:center;gap:18px;text-align:center}.dropzone{border:1.5px dashed var(--border-strong);border-radius:var(--r-lg);padding:32px 20px;text-align:center;color:var(--muted);cursor:pointer;transition:border-color .15s,background .15s}.dropzone:active{background:var(--surface)}.toast{position:fixed;left:50%;bottom:calc(env(safe-area-inset-bottom) + 22px);transform:translate(-50%,20px);background:#0b1210;color:var(--text);border:1px solid var(--border-strong);border-radius:999px;padding:12px 20px;font-size:.92rem;font-weight:550;box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .25s,transform .25s;z-index:50;max-width:90vw;text-align:center}.toast--show{opacity:1;transform:translate(-50%)}@keyframes rise{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}.enter>*{animation:rise .35s cubic-bezier(.2,.7,.2,1) both}.fade{animation:rise .25s ease both}@media (prefers-reduced-motion: reduce){*,*:after{animation:none!important;transition:none!important}}