:root{--paper:#f4f7fc;--surface:#fff;--ink:#1d2740;--muted:#66728c;--rule:#cfdaf0;--rule-strong:#9fb3dc;--accent:#2f5bd3;--accent-ink:#fff;--accent-soft:#e4ebfb;--stamp:#d6402e;--stamp-soft:#fde9e5;--coin:#f0ad2b;--coin-ink:#6b4300;--coin-soft:#fdf1d6;--good:#23905f;--good-soft:#def3e8;--warn:#b86e00;--warn-soft:#fbeed6;--shadow:0 1px 2px #1d27400f, 0 4px 14px #1d27400f;--kid-pink:#e05591;--kid-blue:#2f7de1;--kid-green:#2a9d6f;--kid-orange:#e2772f;--kid-purple:#8a5bd6;--font-display:"Jua", "Gowun Dodum", system-ui, sans-serif;--font-body:"Gowun Dodum", "Noto Sans KR", system-ui, sans-serif;--font-en:"Andika", "Gowun Dodum", system-ui, sans-serif;--radius:14px;--gutter:16px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}@media (prefers-color-scheme:dark){:root:not([data-theme=light]){--paper:#10151f;--surface:#182032;--ink:#e7ecf6;--muted:#97a3bb;--rule:#26324b;--rule-strong:#3a4a6c;--accent:#7b9dff;--accent-ink:#0d1424;--accent-soft:#1f2b47;--stamp:#ff6f5c;--stamp-soft:#3a1f1c;--coin:#f5c25a;--coin-ink:#f5c25a;--coin-soft:#33290f;--good:#4cc48f;--good-soft:#15332a;--warn:#f0b04f;--warn-soft:#362a14;--shadow:0 1px 2px #0000004d, 0 4px 14px #00000040;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}}:root[data-theme=dark]{--paper:#10151f;--surface:#182032;--ink:#e7ecf6;--muted:#97a3bb;--rule:#26324b;--rule-strong:#3a4a6c;--accent:#7b9dff;--accent-ink:#0d1424;--accent-soft:#1f2b47;--stamp:#ff6f5c;--stamp-soft:#3a1f1c;--coin:#f5c25a;--coin-ink:#f5c25a;--coin-soft:#33290f;--good:#4cc48f;--good-soft:#15332a;--warn:#f0b04f;--warn-soft:#362a14;--shadow:0 1px 2px #0000004d, 0 4px 14px #00000040;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--paper);color:var(--ink);font-family:var(--font-body);-webkit-tap-highlight-color:transparent;overscroll-behavior-y:contain;margin:0;font-size:16px;line-height:1.5}button,select,input,textarea{font:inherit;color:inherit}button{cursor:pointer}button:disabled{cursor:default;opacity:.5}:focus-visible{outline:3px solid var(--accent);outline-offset:2px}h1,h2,h3{font-family:var(--font-display);text-wrap:balance;margin:0;font-weight:400;line-height:1.25}h1{font-size:1.6rem}h2{font-size:1.3rem}h3{font-size:1.1rem}p{margin:0}.en{font-family:var(--font-en)}.num{font-variant-numeric:tabular-nums}.muted{color:var(--muted)}.small{font-size:.875rem}.label{letter-spacing:.06em;color:var(--muted);font-size:.75rem}[hidden]{display:none!important}.shell{flex-direction:column;min-height:100%;display:flex}.topbar{z-index:10;padding:calc(env(safe-area-inset-top,0px) + 10px) var(--gutter) 10px;background:color-mix(in srgb, var(--paper) 92%, transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--rule);align-items:center;gap:10px;display:flex;position:sticky;top:0}.topbar .grow{flex:1;min-width:0}.main{width:100%;max-width:760px;padding-inline:var(--gutter);flex-direction:column;flex:1;gap:16px;margin:0 auto;padding-block:16px 96px;display:flex}.tabbar{z-index:10;padding:6px 8px calc(env(safe-area-inset-bottom,0px) + 6px);background:var(--surface);border-top:1px solid var(--rule);justify-content:center;display:flex;position:fixed;bottom:0;left:0;right:0}.tabbar-inner{width:100%;max-width:760px;display:flex}.tab{color:var(--muted);background:0 0;border:0;border-radius:10px;flex-direction:column;flex:1;align-items:center;gap:2px;padding:6px 2px;font-size:.8rem;display:flex}.tab svg{width:24px;height:24px}.tab[aria-current=page]{color:var(--accent);background:var(--accent-soft)}.tab .dot{position:relative}.tab .badge{background:var(--stamp);color:#fff;border-radius:9px;min-width:18px;height:18px;padding:0 5px;font-size:.7rem;line-height:18px;position:absolute;top:-4px;right:-10px}.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);flex-direction:column;gap:12px;min-width:0;padding:16px;display:flex}.card.flat{box-shadow:none;border:1px solid var(--rule)}.row{align-items:center;gap:10px;min-width:0;display:flex}.row.wrap{flex-wrap:wrap}.row.between{justify-content:space-between}.stack{flex-direction:column;gap:10px;min-width:0;display:flex}.grid2{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:12px;display:grid}.divider{background:var(--rule);border:0;height:1px;margin:0}.btn{border:1px solid var(--rule-strong);background:var(--surface);min-height:44px;color:var(--ink);font-family:var(--font-display);touch-action:manipulation;border-radius:12px;justify-content:center;align-items:center;gap:8px;padding:10px 16px;font-size:1rem;display:inline-flex}.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn.danger{color:var(--stamp);border-color:color-mix(in srgb, var(--stamp) 40%, transparent)}.btn.ghost{background:0 0;border-color:#0000}.btn.big{border-radius:16px;width:100%;min-height:60px;font-size:1.2rem}.btn.small{border-radius:9px;min-height:34px;padding:4px 10px;font-size:.9rem}.btn:active:not(:disabled){transform:translateY(1px)}.iconbtn{border:1px solid var(--rule-strong);background:var(--surface);border-radius:50%;flex:none;justify-content:center;align-items:center;width:44px;height:44px;display:inline-flex}.iconbtn svg{width:22px;height:22px}.chip{background:var(--accent-soft);color:var(--accent);white-space:nowrap;border-radius:999px;align-items:center;gap:4px;padding:2px 10px;font-size:.8rem;display:inline-flex}.chip.good{background:var(--good-soft);color:var(--good)}.chip.warn{background:var(--warn-soft);color:var(--warn)}.chip.bad{background:var(--stamp-soft);color:var(--stamp)}.chip.coin{background:var(--coin-soft);color:var(--coin-ink)}.chip.plain{border:1px solid var(--rule-strong);color:var(--muted);background:0 0}.avatar{width:40px;height:40px;font-family:var(--font-display);color:#fff;border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:1.1rem;display:inline-flex}.avatar.lg{width:72px;height:72px;font-size:2rem}.coin-pill{background:var(--coin-soft);color:var(--coin-ink);font-family:var(--font-display);border-radius:999px;align-items:center;gap:6px;padding:4px 12px 4px 6px;display:inline-flex}.coin-pill svg.coin{width:24px;height:24px}.notice{background:var(--accent-soft);color:var(--ink);border-radius:12px;padding:12px 14px;font-size:.95rem}.notice.warn{background:var(--warn-soft)}.notice.bad{background:var(--stamp-soft)}.empty{text-align:center;color:var(--muted);padding:24px 8px}.field{flex-direction:column;gap:4px;min-width:0;display:flex}.field>span{color:var(--muted);font-size:.85rem}.input,.select,.textarea{border:1px solid var(--rule-strong);background:var(--surface);border-radius:10px;width:100%;min-height:44px;padding:10px 12px}.textarea{resize:vertical;min-height:160px;font-size:.9rem;line-height:1.45}.input.num{text-align:right}.fields{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;display:grid}.check{align-items:center;gap:8px;min-height:36px;display:flex}.check input{width:20px;height:20px;accent-color:var(--accent)}.list{flex-direction:column;display:flex}.list>*+*{border-top:1px solid var(--rule)}.item{align-items:center;gap:12px;min-width:0;padding:12px 0;display:flex}.item .grow{flex:1;min-width:0}.item .title{font-family:var(--font-display)}.truncate{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.table-wrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{text-align:left;border-bottom:1px solid var(--rule);vertical-align:top;padding:8px 6px}th{color:var(--muted);font-size:.8rem;font-weight:400}.stamp{--size:64px;width:var(--size);height:var(--size);border:3px solid var(--stamp);color:var(--stamp);text-align:center;font-family:var(--font-display);font-size:calc(var(--size) * .2);box-shadow:inset 0 0 0 3px color-mix(in srgb, var(--stamp) 18%, transparent);background:color-mix(in srgb, var(--stamp) 6%, transparent);border-radius:50%;flex:none;justify-content:center;align-items:center;line-height:1.1;display:inline-flex;transform:rotate(-12deg)}.stamp.lg{--size:120px;border-width:5px}.stamp.sm{--size:46px;border-width:2px;font-size:.78rem}.stamp.pop{animation:.42s cubic-bezier(.2,1.6,.4,1) both stamp-pop}@keyframes stamp-pop{0%{opacity:0;transform:rotate(-30deg)scale(1.8)}to{opacity:1;transform:rotate(-12deg)scale(1)}}.hello{align-items:center;gap:14px;display:flex}.step{border-radius:var(--radius);background:var(--surface);box-shadow:var(--shadow);text-align:left;border:0;align-items:center;gap:14px;width:100%;padding:16px;display:flex}.step .num-badge{width:40px;height:40px;font-family:var(--font-display);background:var(--accent-soft);color:var(--accent);border-radius:50%;flex:none;justify-content:center;align-items:center;font-size:1.2rem;display:inline-flex}.step.done .num-badge{background:var(--good-soft);color:var(--good)}.step.locked{opacity:.55}.step.done:disabled{opacity:1}.step .grow{flex:1;min-width:0}.step .title{font-family:var(--font-display);font-size:1.15rem}.runner{flex-direction:column;min-height:100%;display:flex}.runner-top{padding:calc(env(safe-area-inset-top,0px) + 10px) var(--gutter) 10px;align-items:center;gap:12px;display:flex}.progress{background:var(--rule);border-radius:5px;flex:1;height:10px;overflow:hidden}.progress>i{background:var(--accent);border-radius:5px;height:100%;transition:width .3s;display:block}.timer{font-family:var(--font-display);text-align:right;min-width:3ch}.timer.low{color:var(--stamp)}.runner-body{width:100%;max-width:640px;padding:8px var(--gutter) calc(env(safe-area-inset-bottom,0px) + 20px);flex-direction:column;flex:1;gap:18px;margin:0 auto;display:flex}.q-kind{color:var(--muted);font-size:.9rem}.q-stem{border-left:4px solid var(--accent);gap:2px;padding:2px 0 2px 10px;display:grid}.q-stem-title{font-size:1.05rem;font-weight:700;line-height:1.4}.q-word{font-family:var(--font-en);overflow-wrap:anywhere;font-size:clamp(2.2rem,9vw,3.2rem);line-height:1.1}.q-prompt{font-family:var(--font-display);overflow-wrap:anywhere;font-size:clamp(1.4rem,6vw,1.9rem)}.q-prompt.en{font-family:var(--font-en);font-size:clamp(1.15rem,5vw,1.45rem)}.q-sentence{font-family:var(--font-en);overflow-wrap:anywhere;font-size:clamp(1.25rem,5.4vw,1.6rem);line-height:1.6}.blank{border-bottom:3px solid var(--accent);text-align:center;min-width:5ch;color:var(--accent);margin:0 4px;display:inline-block}.options{gap:10px;display:grid}.option{text-align:left;border:2px solid var(--rule-strong);background:var(--surface);overflow-wrap:anywhere;touch-action:manipulation;border-radius:14px;min-height:60px;padding:12px 16px;font-size:1.15rem}.option.en{font-family:var(--font-en);font-size:1.3rem}.option.right{border-color:var(--good);background:var(--good-soft)}.option.wrong{border-color:var(--stamp);background:var(--stamp-soft)}.option:disabled{opacity:1}.speak-big{background:var(--accent);width:96px;height:96px;color:var(--accent-ink);border:0;border-radius:50%;justify-content:center;align-self:center;align-items:center;display:inline-flex}.speak-big svg{width:44px;height:44px}.feedback{border-radius:14px;flex-direction:column;gap:6px;padding:14px 16px;animation:.2s both rise;display:flex}.feedback.right{background:var(--good-soft)}.feedback.wrong{background:var(--stamp-soft)}.feedback .head{font-family:var(--font-display);font-size:1.25rem}.feedback.right .head{color:var(--good)}.feedback.wrong .head{color:var(--stamp)}@keyframes rise{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.notebook{background:var(--surface);border:1px solid var(--rule);border-radius:12px;flex-wrap:wrap;justify-content:center;gap:4px 18px;padding:10px 6px;display:flex;position:relative}.nb-group,.nb-free{background-image:linear-gradient(var(--rule-strong), var(--rule-strong)), repeating-linear-gradient(90deg, var(--rule-strong) 0 6px, transparent 6px 11px), linear-gradient(var(--stamp), var(--stamp)), linear-gradient(var(--rule-strong), var(--rule-strong));background-position:0 8px,0 29px,0 50px,0 67px;background-repeat:no-repeat;background-size:100% 1px,100% 1px,100% 2px,100% 1px;padding-inline:6px;display:flex}.nb-syl{gap:3px;display:flex}.nb-syl+.nb-syl{margin-left:12px}.nb-slot{width:40px;height:74px;font-family:var(--font-en);color:var(--ink);background:0 0;border:0;justify-content:center;align-items:flex-end;padding:0 0 13px;font-size:2.6rem;line-height:1;display:flex;position:relative}.nb-slot.prefilled{color:var(--muted)}.nb-slot.nb-empty:before{content:"";background:var(--rule-strong);border-radius:2px;height:3px;position:absolute;bottom:1px;left:8px;right:8px}.nb-slot.cursor:after{content:"";background:var(--accent);border-radius:2px;height:3px;animation:1s steps(2,end) infinite blink;position:absolute;bottom:1px;left:8px;right:8px}@keyframes blink{50%{opacity:0}}.nb-free{min-width:70%;min-height:74px;font-family:var(--font-en);justify-content:center;align-items:flex-end;padding-bottom:13px;font-size:2.6rem;line-height:1}@media (width<=420px){.nb-slot{width:32px;font-size:2.2rem}.nb-syl+.nb-syl{margin-left:8px}}.tiles{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.tile{border:2px solid var(--rule-strong);background:var(--surface);width:52px;height:56px;font-family:var(--font-en);touch-action:manipulation;box-shadow:0 2px 0 var(--rule-strong);border-radius:12px;font-size:1.7rem}.tile.used{visibility:hidden}.keyboard{-webkit-user-select:none;user-select:none;flex-direction:column;gap:6px;display:flex}.kb-row{justify-content:center;gap:5px;display:flex}.key{border:1px solid var(--rule-strong);background:var(--surface);max-width:46px;height:50px;font-family:var(--font-en);touch-action:manipulation;box-shadow:0 2px 0 var(--rule-strong);border-radius:9px;flex:1;padding:0;font-size:1.35rem}.key.wide{max-width:110px;font-family:var(--font-display);flex:2;font-size:.95rem}.chips{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.wchip{border:2px solid var(--rule-strong);background:var(--surface);font-family:var(--font-en);touch-action:manipulation;box-shadow:0 2px 0 var(--rule-strong);border-radius:12px;padding:10px 14px;font-size:1.25rem}.wchip.used{visibility:hidden}.built{border:2px dashed var(--rule-strong);border-radius:12px;flex-wrap:wrap;align-content:flex-start;gap:8px;min-height:72px;padding:12px;display:flex}.built .wchip{box-shadow:none;background:var(--accent-soft);border-color:#0000}.result{text-align:center;align-items:center;padding-block:24px}.score{font-family:var(--font-display);white-space:nowrap;font-size:3.4rem;line-height:1}svg.coin{flex:none;width:28px;height:28px}.result .row>svg.coin{width:40px;height:40px}.reward-line{font-family:var(--font-display);flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;font-size:1.1rem;display:flex}.reward-line .coin{flex:none;width:28px;height:28px}.coin-drop{animation:.5s cubic-bezier(.3,1.4,.5,1) both drop}@keyframes drop{0%{opacity:0;transform:translateY(-30px)}to{opacity:1;transform:none}}.flash{background:var(--surface);min-height:260px;box-shadow:var(--shadow);text-align:center;border:0;border-radius:20px;flex-direction:column;justify-content:center;align-items:center;gap:12px;width:100%;padding:24px;display:flex}.flash .q-word{font-size:clamp(2.4rem,11vw,3.6rem)}.pin-dots{justify-content:center;gap:14px;display:flex}.pin-dots i{border:2px solid var(--rule-strong);border-radius:50%;width:18px;height:18px}.pin-dots i.on{background:var(--accent);border-color:var(--accent)}.pinpad{grid-template-columns:repeat(3,1fr);gap:10px;width:100%;max-width:300px;margin:0 auto;display:grid}.pinpad button{border:1px solid var(--rule-strong);background:var(--surface);height:64px;font-family:var(--font-display);touch-action:manipulation;border-radius:16px;font-size:1.6rem}.profiles{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;display:grid}.profile{background:var(--surface);box-shadow:var(--shadow);font-family:var(--font-display);border:0;border-radius:18px;flex-direction:column;align-items:center;gap:10px;padding:20px 10px;font-size:1.2rem;display:flex}.dots{gap:4px;display:inline-flex}.dots i{border:2px solid var(--good);border-radius:50%;width:12px;height:12px}.dots i.on{background:var(--good)}.toast{left:50%;bottom:calc(env(safe-area-inset-bottom,0px) + 84px);z-index:50;background:var(--ink);max-width:calc(100% - 32px);color:var(--paper);box-shadow:var(--shadow);border-radius:12px;padding:10px 16px;animation:.16s both rise;position:fixed;transform:translate(-50%)}.backdrop{z-index:40;background:#0a0e1873;justify-content:center;align-items:flex-end;display:flex;position:fixed;inset:0}.sheet{background:var(--surface);width:100%;max-width:560px;max-height:90vh;padding:20px var(--gutter) calc(env(safe-area-inset-bottom,0px) + 20px);border-radius:20px 20px 0 0;flex-direction:column;gap:14px;animation:.18s both rise;display:flex;overflow-y:auto}@media (width>=700px){.backdrop{align-items:center}.sheet{border-radius:20px}}.savebar{bottom:calc(env(safe-area-inset-bottom,0px) + 76px);z-index:5;background:var(--surface);box-shadow:var(--shadow);border:1px solid var(--rule);border-radius:16px;padding:10px;position:sticky}.bingo{gap:6px;display:grid}.bingo-cell{border:2px solid var(--rule-strong);background:var(--surface);overflow-wrap:anywhere;touch-action:manipulation;border-radius:12px;min-height:64px;padding:6px 4px;font-size:1.05rem;line-height:1.15}.bingo-cell.on{background:var(--good-soft);border-color:var(--good);color:var(--good)}.bingo-cell.on:after{content:" ✓"}.bingo-cell:disabled{opacity:1}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-8px)}75%{transform:translate(8px)}}.cal{grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;display:grid}.cal-head{text-align:center;color:var(--muted);font-size:.75rem}.cal-head.sun{color:var(--stamp)}.cal-day{background:var(--paper);border-radius:10px;flex-direction:column;align-items:center;gap:2px;min-width:0;min-height:58px;padding:4px;display:flex}.cal-day.off{background:0 0}.cal-day.today{outline:2px solid var(--accent)}.cal-num{font-variant-numeric:tabular-nums;font-size:.85rem}.cal-num.red{color:var(--stamp)}.cal-holiday{color:var(--stamp);text-align:center;text-overflow:ellipsis;white-space:nowrap;max-width:100%;font-size:.6rem;line-height:1.1;overflow:hidden}.cal-dots{flex-wrap:wrap;justify-content:center;gap:3px;display:flex}.cal-dots i{border:2px solid;border-radius:50%;width:11px;height:11px}.cal-dots i.missing{background:var(--rule-strong);border:0;border-radius:1px;width:10px;height:2px;margin-block:4px}.cal-key{border-radius:50%;width:12px;height:12px;display:inline-block}.stats{grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;display:grid}@media (width>=720px){.card .stats:has(>:nth-child(6)){grid-template-columns:repeat(6,minmax(0,1fr))}}.stat{background:var(--paper);border-radius:12px;padding:10px 12px}.main>.stats .stat{background:var(--surface);box-shadow:var(--shadow)}.stat b{font-family:var(--font-display);font-variant-numeric:tabular-nums;font-size:1.4rem;font-weight:400;display:block}.stat span{color:var(--muted);font-size:.8rem}.bar{background:var(--rule);border-radius:4px;height:8px;overflow:hidden}.bar>i{background:var(--good);height:100%;display:block}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation:none!important}}.hint{background:var(--accent-soft);overflow-wrap:anywhere;border-radius:12px;align-items:flex-start;gap:8px;padding:10px 12px;display:flex}.hint .chip{background:var(--surface);flex:none}.feedback.almost{background:var(--warn-soft)}.feedback.almost .head{color:var(--warn)}.timerbar{background:var(--rule);border-radius:13px;height:26px;position:relative;overflow:hidden}.timerbar>i{background:var(--accent);border-radius:13px;height:100%;transition:width .25s linear;display:block}.timerbar.low>i{background:var(--stamp)}.timerbar>span{font-family:var(--font-display);color:var(--ink);justify-content:center;align-items:center;font-size:.9rem;display:flex;position:absolute;inset:0}.iconbtn.off{opacity:.45}