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var(--puzzle, var(--accent));border-radius:6px;background:var(--widget-bg)}.ai-note-kicker[data-astro-cid-fkdhrii4]{font-family:var(--font-ui);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--foreground-3);margin-bottom:6px}.ai-note[data-astro-cid-fkdhrii4] p[data-astro-cid-fkdhrii4]{font-family:var(--font-body);font-size:16px;line-height:25px;color:var(--reading)}.ai-note[data-astro-cid-fkdhrii4] a[data-astro-cid-fkdhrii4]{color:var(--accent);text-underline-offset:3px}.ai-note[data-astro-cid-fkdhrii4] a[data-astro-cid-fkdhrii4]:hover{color:var(--accent-dim)}.puzzle-main[data-astro-cid-fkdhrii4] .puzzle-art{aspect-ratio:2 / 1;margin:4px 0 32px;border-radius:16px}.puzzle-main[data-astro-cid-fkdhrii4]{max-width:720px;margin:0 auto;padding:40px 40px 80px;width:100%}.puzzle-back[data-astro-cid-fkdhrii4]{display:inline-flex;align-items:center;gap:4px;margin-bottom:36px;font-family:var(--font-ui);font-size:13px;font-weight:500;color:var(--foreground-3);text-decoration:none;transition:color .15s}.puzzle-back[data-astro-cid-fkdhrii4]:hover{color:var(--warm-dim)}.puzzle-back[data-astro-cid-fkdhrii4] svg{width:14px;height:14px;stroke:currentColor}.puzzle-head[data-astro-cid-fkdhrii4]{margin-bottom:32px}.puzzle-eyebrow[data-astro-cid-fkdhrii4]{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-family:var(--font-ui);font-size:13px;font-weight:500;color:var(--foreground-3);margin-bottom:14px}.puzzle-eyebrow[data-astro-cid-fkdhrii4] .num[data-astro-cid-fkdhrii4]{font-variant-numeric:tabular-nums;color:var(--foreground-2);font-weight:600}.puzzle-eyebrow[data-astro-cid-fkdhrii4] .sep[data-astro-cid-fkdhrii4]{color:var(--foreground-4)}.status[data-astro-cid-fkdhrii4]{margin-left:auto;font-size:12px;padding:2px 9px;border:1px solid var(--border-strong);border-radius:999px}.status[data-astro-cid-fkdhrii4][data-state=solved]{color:var(--valid);border-color:color-mix(in srgb,var(--valid) 45%,transparent)}.puzzle-title[data-astro-cid-fkdhrii4]{font-family:var(--font-display);font-size:clamp(32px,5vw,44px);line-height:1.1;letter-spacing:-.026em;font-weight:500;color:var(--foreground)}.puzzle-source[data-astro-cid-fkdhrii4]{margin-top:14px;font-family:var(--font-body);font-size:15px;line-height:1.5;color:var(--foreground-2)}.source-label[data-astro-cid-fkdhrii4]{display:block;font-family:var(--font-ui);font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--foreground-3);margin-bottom:2px}.puzzle-article[data-astro-cid-fkdhrii4]{max-width:none;margin-bottom:56px}.puzzle-nav[data-astro-cid-fkdhrii4]{display:grid;grid-template-columns:1fr 1fr;gap:16px;padding-top:32px;border-top:1px solid var(--border)}.puzzle-nav[data-astro-cid-fkdhrii4] a[data-astro-cid-fkdhrii4]{display:flex;flex-direction:column;gap:8px;text-decoration:none;padding:16px;border:1px solid var(--border);border-radius:6px;transition:border-color .15s,background .15s}.puzzle-nav[data-astro-cid-fkdhrii4] a[data-astro-cid-fkdhrii4]:hover{border-color:var(--warm-dim);background:color-mix(in srgb,var(--warm-dim) 5%,transparent)}.puzzle-nav[data-astro-cid-fkdhrii4] a[data-astro-cid-fkdhrii4]:hover .ttl[data-astro-cid-fkdhrii4]{color:var(--warm-dim)}.puzzle-nav[data-astro-cid-fkdhrii4] a[data-astro-cid-fkdhrii4].next{grid-column:2;text-align:right}.puzzle-nav[data-astro-cid-fkdhrii4] .dir[data-astro-cid-fkdhrii4]{display:inline-flex;align-items:center;gap:4px;font-family:var(--font-ui);font-size:11px;font-weight:600;letter-spacing:.06em;color:var(--foreground-3);font-variant-numeric:tabular-nums}.puzzle-nav[data-astro-cid-fkdhrii4] a[data-astro-cid-fkdhrii4].next .dir[data-astro-cid-fkdhrii4]{justify-content:flex-end}.puzzle-nav[data-astro-cid-fkdhrii4] .dir[data-astro-cid-fkdhrii4] svg{width:12px;height:12px;stroke:currentColor}.puzzle-nav[data-astro-cid-fkdhrii4] .ttl[data-astro-cid-fkdhrii4]{font-family:var(--font-display);font-size:17px;line-height:1.3;color:var(--foreground);font-weight:500}@media(max-width:720px){.puzzle-main[data-astro-cid-fkdhrii4]{padding:28px 20px 56px}.puzzle-back[data-astro-cid-fkdhrii4]{margin-bottom:24px}.puzzle-nav[data-astro-cid-fkdhrii4]{grid-template-columns:1fr}.puzzle-nav[data-astro-cid-fkdhrii4] a[data-astro-cid-fkdhrii4].next{grid-column:1;text-align:left}.puzzle-nav[data-astro-cid-fkdhrii4] a[data-astro-cid-fkdhrii4].next .dir[data-astro-cid-fkdhrii4]{justify-content:flex-start}}.puzzle-article .puzzle-step{--mark: 28px;position:relative;display:block;margin:0!important;padding:0 0 18px calc(var(--mark) + 16px);user-select:auto;cursor:default}.puzzle-article .puzzle-step[hidden]{display:none}.puzzle-article .puzzle-step:before{content:"";position:absolute;left:calc(var(--mark) / 2 - .5px);top:var(--mark);bottom:0;width:1px;background:var(--border-strong)}.puzzle-article .puzzle-solution:before{display:none}.puzzle-article .step-mark{position:absolute;left:0;top:0;width:var(--mark);height:var(--mark);display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border-strong);border-radius:50%;background:var(--background);font-family:var(--font-ui);font-size:13px;font-weight:600;font-variant-numeric:tabular-nums;color:var(--foreground-3);transition:border-color .12s,color .12s,background .12s}.puzzle-article{counter-reset:hint}.puzzle-article .puzzle-hint{counter-increment:hint}.puzzle-article .puzzle-hint .step-mark:before{content:counter(hint)}.puzzle-article .step-summary,.puzzle-article .step-title{font-family:var(--font-ui);font-size:15px;font-weight:600;color:var(--foreground-2)}.puzzle-article .step-summary{display:flex;align-items:center;gap:10px;min-height:var(--mark);cursor:pointer;user-select:none}.puzzle-article .step-summary:before{display:none}.puzzle-article .step-summary:hover .step-title{color:var(--warm-dim)}.puzzle-article .step-summary:hover .step-mark{border-color:var(--warm-dim);color:var(--warm-dim)}.puzzle-article .hint-num{font-weight:500;color:var(--foreground-3)}.puzzle-article .step-note{display:none;font-size:13px;font-weight:400;color:var(--foreground-4)}.puzzle-article details[open]>.step-summary .step-mark{background:var(--foreground);border-color:var(--foreground);color:var(--background)}.puzzle-article details[open]>.step-summary .step-title{color:var(--foreground)}.puzzle-article .step-body{padding-top:8px}.puzzle-article .puzzle-hint[data-locked]>.step-summary{cursor:not-allowed}.puzzle-article .puzzle-hint[data-locked] .step-mark{border-style:dashed;color:var(--foreground-4);background:var(--background)}.puzzle-article .puzzle-hint[data-locked] .step-title,.puzzle-article .puzzle-hint[data-locked] .hint-num,.puzzle-article .puzzle-hint[data-locked] .step-summary:hover 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.answer-kicker{font-family:var(--font-ui);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--puzzle)}.puzzle-article .answer-title{margin-top:6px;font-family:var(--font-display);font-size:clamp(26px,3.4vw,32px);font-weight:700;line-height:1.15;letter-spacing:-.02em;color:var(--foreground)}.puzzle-article .answer-title .t-done{display:none;color:var(--valid)}.puzzle-article .answer-card[data-result=right] .t-ask{display:none}.puzzle-article .answer-card[data-result=right] .t-done{display:inline-block;animation:answer-pop .45s cubic-bezier(.2,1.4,.4,1) both}@keyframes answer-pop{0%{transform:scale(.6);opacity:0}to{transform:scale(1);opacity:1}}.puzzle-article .answer-sub{margin:8px 0 0;font-family:var(--font-body);font-size:16px;color:var(--foreground-2)}.puzzle-article .check-form{display:flex;flex-direction:column;align-items:center;margin-top:24px}.puzzle-article .slot-row{display:grid;grid-template-columns:repeat(var(--n),minmax(0,56px));gap:8px;justify-content:center;width:100%;perspective:600px}.puzzle-article .slot{width:100%;aspect-ratio:1 / 1.12;padding:0;text-align:center;font-family:var(--font-display);font-size:clamp(20px,4vw,30px);font-weight:700;text-transform:uppercase;color:var(--foreground);caret-color:var(--puzzle);background:var(--widget-bg);border:2px solid var(--border-strong);border-radius:12px;outline:none;box-shadow:0 2px 0 var(--border-strong);transition:border-color .15s,transform .15s,box-shadow .15s}.puzzle-article .slot:not(:placeholder-shown){border-color:color-mix(in srgb,var(--foreground) 45%,var(--border-strong));box-shadow:0 2px color-mix(in srgb,var(--foreground) 45%,var(--border-strong))}.puzzle-article .slot:focus{border-color:var(--puzzle);box-shadow:0 2px 0 var(--puzzle),0 10px 22px -12px var(--puzzle);transform:translateY(-2px)}.puzzle-article .check-row{width:100%;max-width:440px}.puzzle-article .check-input{width:100%;padding:14px 22px;text-align:center;font-family:var(--font-body);font-size:19px;color:var(--foreground);background:var(--widget-bg);border:2px solid var(--border-strong);border-radius:999px;outline:none;transition:border-color .15s,box-shadow .15s}.puzzle-article .check-input:focus{border-color:var(--puzzle);box-shadow:0 10px 22px -14px var(--puzzle)}.puzzle-article .check-btn{margin-top:22px;padding:13px 30px;font-family:var(--font-ui);font-size:16px;font-weight:700;color:#fff;background:var(--puzzle);border:none;border-radius:999px;box-shadow:0 12px 24px -12px var(--puzzle);transition:transform .15s,box-shadow .15s,filter .15s}.puzzle-article .check-btn:hover{transform:translateY(-1px);filter:brightness(1.08);box-shadow:0 16px 28px -12px var(--puzzle)}.puzzle-article .check-btn:active{transform:translateY(1px)}.puzzle-article .check-result{min-height:24px;margin-top:14px;font-family:var(--font-ui);font-size:15px;font-weight:600}.puzzle-article .check-result[data-result=right]{color:var(--valid)}.puzzle-article .check-result[data-result=wrong]{color:var(--danger)}.puzzle-article .answer-card[data-result=wrong] .slot-row,.puzzle-article .answer-card[data-result=wrong] .check-row{animation:answer-shake .42s ease}.puzzle-article .answer-card[data-result=wrong] .slot,.puzzle-article .answer-card[data-result=wrong] .check-input{border-color:var(--danger)}.puzzle-article .answer-card[data-result=right]{border-color:var(--valid);box-shadow:0 24px 48px -28px var(--valid)}.puzzle-article .answer-card[data-result=right] .slot{animation:slot-flip .5s ease calc(var(--i) * 90ms) both}.puzzle-article .answer-card[data-result=right] .check-input{border-color:var(--valid);background:color-mix(in srgb,var(--valid) 10%,var(--widget-bg))}.puzzle-article .answer-card[data-result=right] .check-btn{background:var(--valid);box-shadow:0 12px 24px -12px var(--valid)}@keyframes answer-shake{0%,to{transform:translate(0)}20%{transform:translate(-9px)}40%{transform:translate(8px)}60%{transform:translate(-6px)}80%{transform:translate(4px)}}@keyframes slot-flip{0%{transform:rotateX(0)}50%{transform:rotateX(90deg)}51%{background:var(--valid);border-color:var(--valid);color:#fff;box-shadow:0 2px 0 var(--valid)}to{transform:rotateX(0);background:var(--valid);border-color:var(--valid);color:#fff;box-shadow:0 2px color-mix(in srgb,var(--valid) 70%,#000)}}@media(prefers-reduced-motion:reduce){.puzzle-article .answer-card .slot-row,.puzzle-article .answer-card .check-row,.puzzle-article .answer-card .slot{animation-duration:.01ms!important;animation-delay:0ms!important}}@media(max-width:560px){.puzzle-article .answer-card{padding:26px 16px 20px;border-radius:18px}.puzzle-article .slot-row{gap:5px}.puzzle-article .slot{border-radius:9px}}