:root{--bg:#FFF7E8;--surface:#FFFFFF;--surface-2:#FFF0D2;--line:#F2DCAE;--fg:#2E1F13;--muted:#7A6145;--gold:#E9A315;--gold-ink:#9A6200;--gold-soft:#FFE6A3;--gold-grad:linear-gradient(120deg,#FFE88F 0%,#F9C233 28%,#E29A10 52%,#FFD65E 76%,#F3B321 100%);--on-gold:#2E1D06;--cocoa:#4A2C17;--on-cocoa:#FFE08A;--champagne:#F7DCA4;--honey:#F5A623;--honey-soft:#FFD98F;--sand:#EEC596;--sand-ink:#7A4A1F;--pearl:#EDEFF5;--silver:#A6AEBC;--silver-ink:#4F5868;--ok:#4B7A1E;--ok-soft:#E3F1CF;--bad:#A8571A;--bad-soft:#FFE0C2;--glow:rgba(233,163,21,.42);--shadow:0 2px 6px rgba(150,100,20,.08),0 14px 34px rgba(150,100,20,.13);--font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--r:22px;--r-sm:14px;--nav-h:66px}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--bg:#1E1712;--surface:#2A2019;--surface-2:#35281D;--line:#4A3826;--fg:#FBF0DE;--muted:#CDB898;--gold:#F5BE3C;--gold-ink:#FFD36B;--gold-soft:#4D3814;--gold-grad:linear-gradient(120deg,#FFE88F 0%,#F9C233 28%,#E29A10 52%,#FFD65E 76%,#F3B321 100%);--on-gold:#2E1D06;--cocoa:#FFD66B;--on-cocoa:#2E1D06;--champagne:#4E3B22;--honey:#F7B23E;--honey-soft:#56401C;--sand:#55402B;--sand-ink:#F2CC9E;--pearl:#36332F;--silver:#8E949F;--silver-ink:#D3D7DE;--ok:#B7D891;--ok-soft:#2F3A22;--bad:#F2AE73;--bad-soft:#4A301B;--glow:rgba(245,190,60,.3);--shadow:0 2px 6px rgba(0,0,0,.3),0 14px 34px rgba(0,0,0,.35);color-scheme:dark}}:root[data-theme=dark]{--bg:#1E1712;--surface:#2A2019;--surface-2:#35281D;--line:#4A3826;--fg:#FBF0DE;--muted:#CDB898;--gold:#F5BE3C;--gold-ink:#FFD36B;--gold-soft:#4D3814;--gold-grad:linear-gradient(120deg,#FFE88F 0%,#F9C233 28%,#E29A10 52%,#FFD65E 76%,#F3B321 100%);--on-gold:#2E1D06;--cocoa:#FFD66B;--on-cocoa:#2E1D06;--champagne:#4E3B22;--honey:#F7B23E;--honey-soft:#56401C;--sand:#55402B;--sand-ink:#F2CC9E;--pearl:#36332F;--silver:#8E949F;--silver-ink:#D3D7DE;--ok:#B7D891;--ok-soft:#2F3A22;--bad:#F2AE73;--bad-soft:#4A301B;--glow:rgba(245,190,60,.3);--shadow:0 2px 6px rgba(0,0,0,.3),0 14px 34px rgba(0,0,0,.35);color-scheme:dark}*{box-sizing:border-box}html,body{background:var(--bg);color:var(--fg)}body{font-family:var(--font);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;background-image:radial-gradient(60rem 30rem at 110% -10%,var(--gold-soft),transparent 60%),radial-gradient(40rem 26rem at -20% 110%,var(--champagne),transparent 60%);background-attachment:fixed}h1,h2,h3{margin:0;line-height:1.25;text-wrap:balance;letter-spacing:-.015em}h1{font-size:1.65rem;font-weight:800}h2{font-size:1.12rem;font-weight:700}h3{font-size:1rem;font-weight:600}p{margin:0}button,input{font:inherit;color:inherit}button{cursor:pointer}:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:8px}.num{font-variant-numeric:tabular-nums}.eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-ink)}.muted{color:var(--muted)}.small{font-size:.85rem}.gold-text{background:var(--gold-grad);background-size:200% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shine 6s linear infinite}@keyframes shine{to{background-position:-200% 0}}@keyframes twinkle{0%,to{opacity:.25;transform:scale(.7) rotate(0)}50%{opacity:1;transform:scale(1) rotate(20deg)}}.app{display:grid;grid-template-columns:1fr;min-height:100vh}.side{display:none}.main{min-width:0;padding-inline:16px;padding-block:10px calc(var(--nav-h) + 30px + env(safe-area-inset-bottom,0px))}.wrap{max-width:1080px;margin-inline:auto;display:grid;gap:18px}.topbar{position:sticky;top:env(safe-area-inset-top,0px);z-index:5;background:color-mix(in srgb,var(--bg) 82%,transparent);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:space-between;gap:12px;padding-block:10px;margin-inline:-16px;padding-inline:16px}.brand{display:flex;align-items:center;gap:10px;font-weight:700}.mark{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--gold-grad);color:var(--on-gold);font-weight:800;font-size:.8rem;box-shadow:0 4px 14px var(--glow),inset 0 1px #fff9}.brand small{display:block;font-size:.72rem;color:var(--muted);font-weight:500}.icon-btn{width:42px;height:42px;border-radius:50%;border:1px solid var(--line);background:var(--surface);display:grid;place-items:center;color:var(--gold-ink)}.icon-btn svg{width:20px;height:20px}.top-actions{display:flex;gap:8px}.bottomnav{position:fixed;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom,0px));z-index:10;background:color-mix(in srgb,var(--surface) 92%,transparent);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(5,1fr);padding:4px}.bottomnav button{background:none;border:0;height:calc(var(--nav-h) - 8px);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:.68rem;font-weight:600;color:var(--muted);border-radius:20px}.bottomnav svg{width:22px;height:22px}.bottomnav button[aria-current=page]{background:var(--gold-grad);color:var(--on-gold);box-shadow:0 4px 12px var(--glow)}.pip{display:none}@media (min-width:900px){.app{grid-template-columns:256px 1fr}.side{display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh;padding:22px 16px;border-right:1px solid var(--line);background:color-mix(in srgb,var(--surface) 75%,transparent)}.side .brand{padding:4px 8px 20px}.side nav{display:grid;gap:4px}.side nav button{display:flex;align-items:center;gap:12px;width:100%;text-align:left;border:0;background:none;padding:11px 14px;border-radius:16px;font-weight:500;color:var(--muted)}.side nav button svg{width:20px;height:20px}.side nav button:hover{background:var(--surface-2);color:var(--fg)}.side nav button[aria-current=page]{background:var(--gold-grad);color:var(--on-gold);font-weight:700;box-shadow:0 6px 18px var(--glow)}.side-foot{margin-top:auto;display:grid;gap:8px}.bottomnav{display:none}.main{padding-inline:36px;padding-block:20px 48px}.topbar .brand{visibility:hidden}h1{font-size:2rem}}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px;min-width:0;box-shadow:var(--shadow)}.card-head h2:before{content:"";display:inline-block;width:10px;height:10px;margin-right:8px;border-radius:2px;transform:rotate(45deg) translateY(-2px);background:var(--gold-grad);box-shadow:0 0 8px var(--glow)}.card-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px}.grid-2{display:grid;gap:18px}@media (min-width:900px){.grid-2{grid-template-columns:1.35fr 1fr;align-items:start}}.stack{display:grid;gap:18px;min-width:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 20px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-weight:600}.btn.primary{background:var(--gold-grad);background-size:160% 100%;border-color:transparent;color:var(--on-gold);box-shadow:0 6px 18px var(--glow),inset 0 1px #ffffff8c;transition:background-position .4s}.btn.primary:hover{background-position:100% 0}.btn.ghost{background:transparent}.btn svg{width:18px;height:18px}.pill{display:inline-flex;align-items:center;gap:6px;font-size:.75rem;font-weight:600;padding:4px 11px;border-radius:999px;background:var(--pearl);color:var(--silver-ink);white-space:nowrap}.pill.gold{background:var(--gold-soft);color:var(--gold-ink)}.pill.earth{background:var(--champagne);color:var(--sand-ink)}.pill.honey{background:var(--honey-soft);color:var(--gold-ink)}.pill.silver{background:var(--pearl);color:var(--silver-ink)}.pill.ok{background:var(--ok-soft);color:var(--ok)}.bar{height:10px;border-radius:99px;background:var(--surface-2);overflow:hidden}.bar>i{display:block;height:100%;border-radius:inherit;background:var(--gold-grad);background-size:200% 100%;animation:shine 3.5s linear infinite;box-shadow:0 0 10px var(--glow)}.view{display:none}.view.on{display:grid;gap:18px}.demo-note{font-size:.78rem;color:var(--muted);font-style:italic}.hero{position:relative;overflow:hidden;border:0;color:#2e1d06;background:var(--gold-grad);background-size:220% 100%;animation:shine 9s linear infinite;box-shadow:0 18px 40px var(--glow),inset 0 1px #ffffffb3}.hero:before{content:"";position:absolute;width:260px;height:260px;right:-70px;top:-90px;border-radius:50%;background:radial-gradient(circle,#ffffffbf,#fff0 70%)}.hero .eyebrow{color:#6b4300}.hero .sub,.hero .band-row{color:#5a3a0c}.hero .band-row b{color:#2e1d06}.hero .bar{background:#ffffff8c}.hero .bar>i{background:#4a2c17;box-shadow:none;animation:none}.hero .count b{color:#4a2c17}.hero .count span{color:#5a3a0c!important}.hero>*{position:relative}.spark{position:absolute;color:#fff;filter:drop-shadow(0 0 6px rgba(255,255,255,.9));animation:twinkle 3.2s ease-in-out infinite;pointer-events:none}.spark.s1{width:22px;height:22px;right:28px;top:22px}.spark.s2{width:12px;height:12px;right:70px;top:58px;animation-delay:.8s}.spark.s3{width:16px;height:16px;right:140px;top:16px;animation-delay:1.6s}.hero-row{display:flex;flex-wrap:wrap;gap:18px;align-items:flex-end;justify-content:space-between}.hero h1{margin-top:8px;max-width:20ch}.hero .sub{font-style:italic;color:var(--muted);margin-top:6px}.count{display:flex;align-items:baseline;gap:8px}.count b{font-size:3rem;font-weight:800;line-height:1;letter-spacing:-.03em}.band{margin-top:20px;display:grid;gap:8px}.band-row{display:flex;justify-content:space-between;font-size:.8rem;color:var(--muted)}.band-row b{color:var(--fg)}.week{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:6px}.day{display:grid;gap:4px;justify-items:center;padding:12px 2px;border-radius:18px;background:var(--surface-2);border:1px solid transparent;min-width:0}.day .d{font-size:.7rem;font-weight:600;color:var(--muted)}.day .s{font-size:.72rem;font-weight:600;text-align:center;line-height:1.2}.day.k-read{background:var(--champagne)}.day.k-gram{background:var(--pearl)}.day.k-write{background:var(--honey-soft)}.day.k-speak{background:var(--sand)}.day.k-rev{background:var(--gold-soft)}.day.today{background:var(--gold-grad);color:var(--on-gold);box-shadow:0 6px 16px var(--glow)}.day.today .d{color:var(--on-gold);opacity:.8}.day.test{border:2px dashed var(--gold);background:var(--surface)}.tasks{display:grid;gap:10px;list-style:none;margin:0;padding:0}.task{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:12px 14px;border-radius:18px;border:1px solid var(--line);background:var(--surface)}.task .chk{width:28px;height:28px;border-radius:50%;border:2px solid var(--silver);display:grid;place-items:center;background:none;padding:0}.task .chk svg{width:14px;height:14px;opacity:0}.task.done{background:var(--surface-2)}.task.done .chk{background:var(--gold-grad);border-color:transparent;color:var(--on-gold)}.task.done .chk svg{opacity:1}.task.done .t{text-decoration:line-through;color:var(--muted)}.task .t{font-weight:600;font-size:.95rem}.task .m{font-size:.8rem;color:var(--muted)}.task .go{color:var(--on-cocoa);font-weight:700;font-size:.85rem;background:var(--cocoa);border:0;min-height:34px;padding:0 14px;border-radius:999px}.score{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:center}.ring{width:96px;height:96px}.mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.mini-stats div{border-radius:18px;padding:12px 6px;text-align:center}.mini-stats div:nth-child(1){background:var(--gold-soft)}.mini-stats div:nth-child(2){background:var(--champagne)}.mini-stats div:nth-child(3){background:var(--pearl)}.mini-stats b{display:block;font-size:1.3rem;font-weight:800}.mini-stats span{font-size:.72rem;color:var(--muted)}.go-card{display:grid;grid-template-columns:auto 1fr auto;gap:14px;align-items:center;background:linear-gradient(120deg,var(--honey-soft),var(--surface) 70%)}.disc{width:54px;height:54px;border-radius:50%;background:var(--gold-grad);color:var(--on-gold);display:grid;place-items:center;box-shadow:0 6px 16px var(--glow)}.disc svg{width:24px;height:24px}.seg{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;scrollbar-width:none}.seg button{flex:0 0 auto;min-height:40px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--surface);font-weight:600;font-size:.85rem}.seg button[aria-pressed=true]{background:var(--gold-grad);color:var(--on-gold);border-color:transparent;box-shadow:0 4px 12px var(--glow)}.pairs{display:flex;flex-wrap:wrap;gap:8px}.pairs button{min-height:42px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:var(--champagne);font-weight:600}.ipa{font-size:1.45rem;font-weight:800}.player{display:grid;gap:14px;padding:16px;border-radius:20px;background:linear-gradient(135deg,var(--gold-soft),var(--champagne))}.p-row{display:flex;align-items:center;gap:14px}.play{width:58px;height:58px;border-radius:50%;border:0;background:var(--gold-grad);color:var(--on-gold);display:grid;place-items:center;flex:0 0 auto;box-shadow:0 6px 18px var(--glow),inset 0 1px #fff9}.play svg{width:24px;height:24px}.track{flex:1;min-width:0;display:grid;gap:6px}.track .bar{height:8px;background:color-mix(in srgb,var(--surface) 70%,transparent)}.times{display:flex;justify-content:space-between;font-size:.75rem;color:var(--muted)}.speed{display:flex;gap:6px;flex-wrap:wrap;align-items:center}.speed span{font-size:.78rem;color:var(--muted);margin-right:4px}.speed button{min-width:52px;min-height:36px;border-radius:999px;border:1px solid transparent;background:var(--surface);font-weight:600;font-size:.82rem}.speed button[aria-pressed=true]{background:var(--cocoa);color:var(--on-cocoa)}.p-tools{display:flex;gap:8px;flex-wrap:wrap}.dict{font-size:1.05rem;line-height:2.15}.dict .sent{display:block;padding:4px 0;border-radius:12px}.dict .sent.cur{background:var(--gold-soft);margin-inline:-10px;padding-inline:10px}.gap{width:8.5ch;max-width:46vw;min-height:34px;padding:2px 8px;font-size:16px;border:0;border-bottom:2px solid var(--gold);background:var(--surface-2);border-radius:10px 10px 2px 2px;text-align:center}.gap:focus{outline:none;background:var(--gold-soft)}.gap.ok{border-bottom-color:var(--ok);background:var(--ok-soft);color:var(--ok);font-weight:600}.gap.bad{border-bottom-color:var(--bad);background:var(--bad-soft);color:var(--bad)}.result{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.rec{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.rec-btn{width:68px;height:68px;border-radius:50%;border:0;background:var(--gold-grad);display:grid;place-items:center;box-shadow:0 6px 18px var(--glow)}.rec-btn i{width:22px;height:22px;border-radius:50%;background:var(--surface);transition:border-radius .2s}.rec-btn.on{animation:pulse 1.4s ease-in-out infinite}.rec-btn.on i{border-radius:6px}@keyframes pulse{0%,to{box-shadow:0 0 0 0 var(--glow)}50%{box-shadow:0 0 0 12px transparent}}.checklist{list-style:none;padding:0;margin:0;display:grid;gap:4px}.checklist label{display:flex;gap:10px;align-items:flex-start;padding:9px 0;border-bottom:1px solid var(--line);font-size:.92rem}.checklist input{width:20px;height:20px;accent-color:var(--gold);flex:0 0 auto;margin-top:2px}.q{font-weight:600;padding:12px 14px;border-radius:16px;background:var(--surface-2)}.words{list-style:none;margin:0;padding:0;display:grid;gap:8px}.words li{display:grid;grid-template-columns:1fr auto;gap:2px 10px;padding:12px 14px;border-radius:16px;background:var(--surface-2);border:1px solid transparent;cursor:pointer}.words li.open{background:var(--surface);border-color:var(--gold);box-shadow:0 6px 16px var(--glow)}.words .w{font-weight:700;font-size:1.02rem}.words .ipa2{font-size:.82rem;color:var(--gold-ink);font-weight:500}.words .mean{grid-column:1;font-size:.88rem;color:var(--fg)}.words .ex{grid-column:1/3;font-size:.86rem;color:var(--muted);font-style:italic;display:none}.words li.open .ex{display:block}.words .say{grid-row:1/3;grid-column:2;align-self:center;width:40px;height:40px;border-radius:50%;border:0;background:var(--gold-grad);color:var(--on-gold);display:grid;place-items:center;box-shadow:0 4px 10px var(--glow)}.words .say svg{width:16px;height:16px}.info-row{display:flex;flex-wrap:wrap;gap:8px}.pill.cocoa{background:var(--cocoa);color:var(--on-cocoa)}.sounds{display:grid;gap:12px;margin-top:12px}@media (min-width:520px){.sounds{grid-template-columns:1fr 1fr}}.sound{border-radius:18px;padding:14px;background:var(--surface-2);display:grid;gap:10px;align-content:start}.sound-top{display:flex;justify-content:space-between;align-items:center;gap:8px}.sym{font-size:1.9rem;font-weight:800;color:var(--gold-ink);line-height:1}.sym small{display:block;font-size:.72rem;font-weight:600;color:var(--muted);margin-top:4px}.say-btn{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 14px;border-radius:999px;border:0;background:var(--gold-grad);color:var(--on-gold);font-weight:700;font-size:.82rem;box-shadow:0 4px 12px var(--glow)}.say-btn svg{width:14px;height:14px}.say-btn.ghost{background:var(--surface);color:var(--fg);box-shadow:none;border:1px solid var(--line)}.mouth{width:100%;max-width:150px;height:auto;justify-self:center}.mouth-cap{font-size:.75rem;color:var(--muted);text-align:center;margin-top:-6px}.how{margin:0;display:grid;gap:7px}.how div{display:grid;grid-template-columns:42px 1fr;gap:8px;font-size:.86rem;line-height:1.45}.how dt{font-weight:700;color:var(--sand-ink)}.how dd{margin:0}.sub-h{font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--gold-ink);margin:18px 0 8px}.pair-rows{display:grid;gap:8px}.pair-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px}.pw{display:flex;align-items:center;gap:8px;justify-content:space-between;min-height:50px;padding:6px 6px 6px 14px;border-radius:14px;border:1px solid var(--line);background:var(--surface);font-weight:700;text-align:left;min-width:0}.pw small{display:block;font-weight:500;color:var(--gold-ink);font-size:.75rem}.pw .dp{flex:0 0 auto;width:36px;height:36px;border-radius:50%;background:var(--gold-grad);display:grid;place-items:center;color:var(--on-gold)}.pw .dp svg{width:13px;height:13px}.vs{font-size:.7rem;color:var(--muted);font-weight:700}.quiz{padding:14px;border-radius:18px;background:linear-gradient(135deg,var(--gold-soft),var(--champagne));display:grid;gap:10px}.quiz-ch{display:grid;grid-template-columns:1fr 1fr;gap:8px}.quiz-ch button{min-height:50px;border-radius:14px;border:2px solid transparent;background:var(--surface);font-weight:700;font-size:1.05rem}.quiz-ch button.ok{border-color:var(--ok);background:var(--ok-soft);color:var(--ok)}.quiz-ch button.bad{border-color:var(--bad);background:var(--bad-soft);color:var(--bad)}.shadow-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.counts{display:flex;gap:18px;flex-wrap:wrap}.cnt{display:grid}.cnt b{font-size:1.6rem;font-weight:800;line-height:1.1}.cnt span{font-size:.75rem;color:var(--muted);font-weight:600}.c-new b{color:var(--gold-ink)}.c-learn b{color:var(--bad)}.c-due b{color:var(--ok)}.rv{display:grid;gap:14px}.rv-top{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.rv-prompt{font-size:1.25rem;font-weight:700;line-height:1.4}.rv-prompt .blank{display:inline-block;min-width:4.5em;border-bottom:3px solid var(--gold);margin-inline:2px}.rv-hint{font-size:.9rem;color:var(--muted)}.rv-input{width:100%;min-height:52px;font-size:17px;border-radius:14px;border:2px solid var(--line);padding:0 14px;background:var(--surface-2)}.rv-input:focus{outline:none;border-color:var(--gold);background:var(--surface)}.rv-input.ok{border-color:var(--ok);background:var(--ok-soft)}.rv-input.bad{border-color:var(--bad);background:var(--bad-soft)}.choices{display:grid;gap:8px}.choice{text-align:left;min-height:50px;padding:10px 14px;border-radius:14px;border:2px solid var(--line);background:var(--surface);font-weight:500}.choice:hover{border-color:var(--gold)}.choice.ok{border-color:var(--ok);background:var(--ok-soft);color:var(--ok);font-weight:700}.choice.bad{border-color:var(--bad);background:var(--bad-soft);color:var(--bad)}.big-say{width:84px;height:84px;border-radius:50%;border:0;background:var(--gold-grad);color:var(--on-gold);display:grid;place-items:center;box-shadow:0 8px 22px var(--glow);justify-self:center}.big-say svg{width:32px;height:32px}.fb{padding:14px 16px;border-radius:16px;background:var(--surface-2);display:grid;gap:4px}.fb .head{font-weight:800}.fb.ok 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