:root{--bg:#fbfaf6;--surface:#fffdf8;--surface-strong:#fff;--ink:#17231f;--muted:#66736e;--line:#e5ded0;--deep:#0f4f46;--deep-2:#17665a;--teal:#58b8ae;--gold:#f2b441;--coral:#df7770;--blue:#6e9edd;--leaf:#8eb86d;--plum:#8d62e6;--shadow:0 16px 36px #17231f14}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--bg);letter-spacing:0;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body::selection{color:#fff;background:var(--deep)}a{color:inherit;text-decoration:none}button,input,summary{font:inherit}button{cursor:pointer}main{min-height:70vh}.site-header{z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#fffdf8e6;border-bottom:1px solid #ded8cacc;justify-content:space-between;align-items:center;gap:24px;padding:14px 32px;display:flex;position:sticky;top:0}.brand{align-items:center;gap:12px;min-width:0;display:inline-flex}.brand-mark{color:#fff8e7;background:var(--deep);border-radius:8px;flex:0 0 42px;place-items:center;width:42px;height:42px;font-size:1.25rem;font-weight:800;display:grid}.brand strong,.brand small{line-height:1.1;display:block}.brand small{color:var(--muted);margin-top:3px;font-size:.78rem}.site-nav{align-items:center;gap:8px;display:flex}.site-nav a,.top-strip a,.top-strip span,.button,.text-link{justify-content:center;align-items:center;gap:7px;display:inline-flex}.site-nav a{min-height:38px;color:var(--deep);border:1px solid #0000;border-radius:8px;padding:0 12px;font-weight:700}.site-nav a:hover{border-color:var(--line);background:var(--surface)}.site-nav .icon-only{width:38px;padding:0}.top-strip{color:#fff8e7;background:var(--deep);flex-wrap:wrap;justify-content:center;align-items:center;gap:10px;padding:14px 28px;font-size:.93rem;font-weight:700;display:flex}.top-strip span,.top-strip a{border:1px solid #fff8e742;border-radius:8px;min-height:32px;padding:0 12px}.top-strip a:hover{background:#fff8e71f}.page-hero,.content-band,.solver,.archive-tool,.puzzle-nav{width:min(1180px,100% - 32px);margin:0 auto}.page-hero{grid-template-columns:minmax(0,1.25fr) minmax(260px,.75fr);align-items:end;gap:28px;padding:38px 0 24px;display:grid}.answer-first{padding-top:30px}.archive-hero{align-items:center}.hero-copy{min-width:0}.eyebrow{color:var(--deep-2);letter-spacing:0;align-items:center;gap:7px;font-size:.92rem;font-weight:800;display:inline-flex}h1,h2,h3,p{margin-top:0}h1{letter-spacing:0;max-width:820px;margin-bottom:14px;font-size:2.7rem;line-height:1.06}h2{letter-spacing:0;margin-bottom:12px;font-size:2rem;line-height:1.12}h3{letter-spacing:0;margin-bottom:8px;font-size:1.1rem;line-height:1.2}p{color:var(--muted);font-size:1rem;line-height:1.65}.hero-copy p{max-width:680px;margin-bottom:16px;font-size:1.05rem}.spoiler-copy{border:1px solid var(--line);background:var(--surface);border-radius:8px;max-width:620px;display:block}.spoiler-copy summary{min-height:44px;color:var(--deep);cursor:pointer;align-items:center;padding:0 14px;font-weight:800;display:flex}.spoiler-copy p{color:var(--ink);margin:0;padding:0 14px 14px;font-weight:800}.hero-meta{grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;display:grid}.hero-meta div{border:1px solid var(--line);background:#fffdf8d1;border-radius:8px;min-width:0;padding:16px}.hero-meta span,.hero-meta strong{display:block}.hero-meta span{color:var(--muted);font-size:.82rem;font-weight:700}.hero-meta strong{color:var(--deep);margin-top:5px;font-size:1.2rem}.button{border:1px solid var(--line);background:var(--surface);min-height:42px;color:var(--deep);border-radius:8px;padding:0 14px;font-weight:800;transition:border-color .14s,background .14s,color .14s,transform .14s}.button:hover{transform:translateY(-1px)}.button-primary{border-color:var(--deep);color:#fff8e7;background:var(--deep)}.button-quiet{color:var(--deep);background:var(--surface)}.icon-button{border:1px solid var(--line);width:38px;height:38px;color:var(--deep);background:var(--surface);border-radius:8px;place-items:center;display:inline-grid}.solver{border:1px solid var(--line);box-shadow:var(--shadow);background:#ffffffdb;border-radius:8px;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);align-items:start;gap:18px;padding:18px;display:grid}.solver-main,.answer-panel{min-width:0}.solver-toolbar{justify-content:space-between;align-items:center;gap:14px;margin-bottom:14px;display:flex}.solver-toolbar strong{margin-top:5px;font-size:1rem;display:block}.toolbar-actions{flex-wrap:wrap;justify-content:flex-end;gap:8px;display:flex}.progress-track{background:#e9e2d2;border-radius:999px;height:9px;overflow:hidden}.progress-track span{border-radius:inherit;background:var(--deep);height:100%;transition:width .16s;display:block}.wend-grid{grid-template-columns:repeat(var(--grid-cols), minmax(0, 1fr));grid-template-rows:repeat(var(--grid-rows), minmax(0, 1fr));width:min(100%,520px);aspect-ratio:var(--grid-cols) / var(--grid-rows);background:#fffefa;border:1px solid #e9e2d4;border-radius:8px;gap:8px;margin:18px auto 0;padding:10px;display:grid}.grid-cell{aspect-ratio:1;border-radius:8px;place-items:center;min-width:0;min-height:0;display:grid;position:relative}.grid-cell-blocked{background:#eee8dc;border:1px solid #0000}.grid-cell-letter{color:var(--ink);background:#fffdf7;border:1px solid #d4ccbc;transition:background .14s,color .14s,transform .14s;overflow:hidden;box-shadow:inset 0 -1px #1f252214}.grid-cell-letter:hover{transform:translateY(-1px)}.cell-letter{z-index:2;font-size:1.25rem;font-weight:900;line-height:1;position:relative}.cell-path-mark{z-index:1;color:#fffffff2;pointer-events:none;place-items:center;width:30px;height:30px;display:grid;position:absolute;top:50%;transform:translateY(-50%)}.cell-path-mark.is-right{right:2px}.cell-path-mark.is-left{left:2px}.cell-path-mark.is-up{top:1px;left:50%;transform:translate(-50%)}.cell-path-mark.is-down{top:auto;bottom:1px;left:50%;transform:translate(-50%)}.cell-path-mark.is-done{color:#fff;width:24px;height:24px;top:auto;bottom:4px;right:4px;transform:none}.word-color-0.is-revealed,.word-card.word-color-0{--word:var(--coral)}.word-color-1.is-revealed,.word-card.word-color-1{--word:var(--gold)}.word-color-2.is-revealed,.word-card.word-color-2{--word:var(--teal)}.word-color-3.is-revealed,.word-card.word-color-3{--word:var(--blue)}.word-color-4.is-revealed,.word-card.word-color-4{--word:var(--leaf)}.word-color-5.is-revealed,.word-card.word-color-5{--word:var(--plum)}.grid-cell-letter.is-revealed{border-color:color-mix(in srgb, var(--word) 70%, #1f2522 30%);color:#18211d;background:color-mix(in srgb, var(--word) 76%, #fff 24%);box-shadow:inset 0 -2px #17231f1a,0 6px 18px #17231f12}.answer-panel{padding-left:4px}.answer-panel-header{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}.word-list{gap:10px;display:grid}.word-card{border:1px solid var(--line);border-left:6px solid var(--word);background:#fffefa;border-radius:8px;padding:16px}.word-card-top{color:var(--muted);justify-content:space-between;align-items:center;gap:10px;font-size:.86rem;font-weight:800;display:flex}.word-mask{min-height:36px;color:var(--ink);overflow-wrap:anywhere;margin:10px 0 12px;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:1.38rem;font-weight:900;line-height:1.2}.word-actions{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px;display:grid}.mini-button{border:1px solid var(--line);min-height:40px;color:var(--deep);background:#fff;border-radius:8px;font-size:.88rem;font-weight:850;transition:border-color .14s,background .14s,color .14s,transform .14s}.mini-button:hover{border-color:var(--deep);transform:translateY(-1px)}.mini-button-filled{border-color:var(--deep);color:#fff8e7;background:var(--deep)}.official-image{border:1px solid var(--line);background:#fff;border-radius:8px;margin:14px 0 0;padding:10px}.official-image img{border-radius:6px;width:100%;height:auto;display:block}.official-image figcaption{color:var(--muted);margin-top:8px;font-size:.82rem}.content-band{padding:48px 0}.insight-section{padding-top:42px}.section-heading{justify-content:space-between;align-items:end;gap:24px;margin-bottom:18px;display:flex}.section-heading p{max-width:430px;margin-bottom:0;font-size:.96rem}.section-heading h2{margin-bottom:0}.quick-archive{grid-template-columns:repeat(6,minmax(0,1fr));gap:10px;display:grid}.quick-card,.archive-card{border:1px solid var(--line);background:#fffdf8e6;border-radius:8px;min-width:0;position:relative}.quick-card{gap:7px;min-height:132px;padding:14px;display:grid}.quick-card span,.quick-card em{color:var(--muted);font-size:.85rem;font-style:normal;font-weight:750}.quick-card strong{color:var(--ink);font-size:1rem}.quick-card svg{color:var(--deep);align-self:end}.quick-card:hover,.archive-card:hover{border-color:var(--deep);transform:translateY(-1px)}.text-link{width:fit-content;color:var(--deep);margin-top:18px;font-weight:850}.split-copy{border-top:1px solid var(--line);grid-template-columns:minmax(220px,.65fr) minmax(0,1.35fr);gap:34px;display:grid}.copy-stack p:last-child{margin-bottom:0}.tips-band{border-top:1px solid var(--line)}.tips-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.tips-grid article{border:1px solid var(--line);background:#fffdf8e6;border-radius:8px;min-width:0;padding:18px}.tips-grid p{margin-bottom:0}.insight-layout{grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);align-items:start;gap:14px;display:grid}.vocab-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;display:grid}.vocab-card,.strategy-panel{border:1px solid var(--line);background:#fffdf8f0;border-radius:8px;min-width:0}.vocab-card{padding:16px}.vocab-card-top{justify-content:space-between;align-items:center;gap:10px;display:flex}.vocab-card-top strong{color:var(--ink);letter-spacing:.02em;font-size:1.2rem}.vocab-card-top a{border:1px solid var(--line);width:34px;height:34px;color:var(--deep);border-radius:8px;flex:0 0 34px;place-items:center;display:inline-grid}.phonetic{color:var(--deep-2);margin:4px 0 12px;font-size:.92rem;font-weight:800}.meaning-block{gap:7px;display:grid}.meaning-block span{width:fit-content;color:var(--deep);background:#eef6f3;border-radius:999px;padding:4px 8px;font-size:.78rem;font-weight:850}.meaning-block p,.secondary-meaning{color:#4d5a55;margin-bottom:0;font-size:.95rem;line-height:1.55}.secondary-meaning{border-top:1px solid var(--line);margin-top:10px;padding-top:10px}.strategy-panel{padding:18px;position:sticky;top:86px}.strategy-list{color:#4d5a55;gap:10px;margin:14px 0;padding-left:20px;line-height:1.55;display:grid}.strategy-list li::marker{color:var(--deep);font-weight:900}.route-list{gap:10px;display:grid}.route-list article{border:1px solid var(--line);background:#fff;border-radius:8px;padding:12px}.route-list strong{color:var(--deep);margin-bottom:4px;display:block}.route-list p{margin-bottom:0;font-size:.9rem;line-height:1.55}.faq-band{border-top:1px solid var(--line)}.faq-list{gap:10px;display:grid}.faq-list details{border:1px solid var(--line);background:#fffdf8e6;border-radius:8px}.faq-list summary{min-height:52px;color:var(--deep);cursor:pointer;align-items:center;padding:0 16px;font-weight:850;display:flex}.faq-list p{margin:0;padding:0 16px 16px}.archive-tool{padding:0 0 56px}.archive-controls{justify-content:space-between;align-items:center;gap:14px;margin-bottom:14px;display:flex}.search-field{border:1px solid var(--line);width:min(100%,520px);min-height:48px;color:var(--muted);background:#fff;border-radius:8px;grid-template-columns:22px minmax(0,1fr) 32px;align-items:center;padding:0 10px 0 14px;display:grid}.search-field input{min-width:0;color:var(--ink);background:0 0;border:0;outline:0;font-weight:700}.search-field button{width:32px;height:32px;color:var(--deep);background:0 0;border:0;border-radius:8px;place-items:center;display:grid}.length-filter{flex-wrap:wrap;justify-content:flex-end;gap:7px;display:flex}.length-filter button{border:1px solid var(--line);min-width:38px;min-height:38px;color:var(--deep);background:var(--surface);border-radius:8px;font-weight:850}.length-filter button.is-active{border-color:var(--deep);color:#fff8e7;background:var(--deep)}.archive-count{color:var(--muted);margin-bottom:12px;font-weight:800}.archive-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;display:grid}.archive-card{grid-template-columns:minmax(0,1fr) 24px;gap:7px 12px;min-height:158px;padding:16px;display:grid}.archive-card-id,.archive-card-meta{color:var(--muted);align-items:center;gap:6px;font-size:.86rem;font-weight:800;display:inline-flex}.archive-card strong,.archive-card-words,.archive-card-meta{grid-column:1}.archive-card strong{font-size:1.12rem}.archive-card-words{color:var(--deep);overflow-wrap:anywhere;font-size:.93rem;font-weight:850;line-height:1.45;display:block}.archive-card-arrow{color:var(--deep);grid-area:1/2/span 4;place-self:start end}.puzzle-nav{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:12px;padding:22px 0 0;display:grid}.puzzle-nav a{border:1px solid var(--line);width:fit-content;min-height:44px;color:var(--deep);background:var(--surface);border-radius:8px;align-items:center;gap:7px;padding:0 14px;font-weight:850;display:inline-flex}.puzzle-nav a:last-child{justify-self:end}.site-footer{border-top:1px solid var(--line);color:#fff8e7;background:var(--deep);justify-content:space-between;align-items:flex-start;gap:24px;margin-top:16px;padding:28px 32px;display:flex}.site-footer p{color:#fff8e7c7;max-width:540px;margin:8px 0 0}.site-footer nav{flex-wrap:wrap;justify-content:flex-end;gap:12px;display:flex}.site-footer a{font-weight:800}@media (max-width:980px){.page-hero,.solver,.split-copy,.insight-layout{grid-template-columns:1fr}.hero-meta{grid-template-columns:repeat(3,minmax(0,1fr))}.quick-archive,.archive-grid,.tips-grid,.vocab-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.strategy-panel{position:static}.archive-controls{flex-direction:column;align-items:stretch}.length-filter{justify-content:flex-start}}@media (max-width:700px){.site-header{flex-direction:column;align-items:flex-start;gap:12px;padding:14px 16px;position:static}.site-nav{width:100%;padding-bottom:2px;overflow-x:auto}.top-strip{justify-content:flex-start;padding:12px 16px}.page-hero,.content-band,.solver,.archive-tool,.puzzle-nav{width:min(100% - 24px,1180px)}.page-hero{padding-top:30px}h1{font-size:2.15rem;line-height:1.08}h2{font-size:1.55rem}.hero-meta,.quick-archive,.archive-grid,.tips-grid,.vocab-grid,.puzzle-nav{grid-template-columns:1fr}.solver{padding:12px}.solver-toolbar{flex-direction:column;align-items:stretch}.toolbar-actions{justify-content:stretch}.toolbar-actions .button{flex:130px}.wend-grid{gap:5px;padding:6px}.cell-letter{font-size:1rem}.cell-path-mark{width:24px;height:24px}.cell-path-mark.is-done{width:20px;height:20px}.word-actions{grid-template-columns:1fr}.section-heading{flex-direction:column;align-items:flex-start;gap:8px}.puzzle-nav a:last-child{justify-self:start}.site-footer{flex-direction:column;padding:24px 16px}.site-footer nav{justify-content:flex-start}}