:root{--bg:#edf4ef;--panel:#fff;--ink:#15191d;--muted:#596269;--line:#cbd8d0;--line-strong:#9fb0a6;--green:#1b6f5c;--green-soft:#d9eee4;--blue:#2457a6;--blue-soft:#dfe9ff;--gold:#8f6418;--gold-soft:#f6e6bd;--rose:#a83d51;--rose-soft:#f7dfe5;--dark:#20262b;--dark-2:#303840;--focus:#0f766e;--shadow:0 18px 50px #1e22261f}*{box-sizing:border-box}html{background:var(--bg);min-height:100%}body{color:var(--ink);background:linear-gradient(90deg, #15191d0a 1px, transparent 1px), linear-gradient(0deg, #15191d09 1px, transparent 1px), var(--bg);background-size:42px 42px;margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}button{font:inherit}.site-header{z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:#edf4efeb;border-bottom:1px solid #15191d17;justify-content:space-between;align-items:center;gap:20px;min-height:68px;padding:12px clamp(16px,4vw,44px);display:flex;position:sticky;top:0}.brand{align-items:center;gap:10px;min-width:0;font-weight:800;display:inline-flex}.brand-mark{border:2px solid var(--dark);background:var(--blue-soft);width:34px;height:34px;box-shadow:4px 4px 0 var(--dark);letter-spacing:0;flex:none;place-items:center;font-size:.78rem;display:grid}.site-nav{align-items:center;gap:4px;display:flex;overflow-x:auto}.site-nav a{min-height:38px;color:var(--muted);white-space:nowrap;border-radius:8px;justify-content:center;align-items:center;gap:7px;padding:0 10px;font-size:.92rem;font-weight:700;display:inline-flex}.site-nav a:hover,.site-nav a:focus-visible{color:var(--ink);background:#ffffffb8;outline:none}.page-shell{width:min(1180px,100% - 32px);margin:0 auto;padding:28px 0 64px}.game-layout{grid-template-columns:minmax(0,1fr) 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var(--line);box-shadow:var(--shadow);background:#fffdf8f0;border-radius:8px}.game-panel{padding:clamp(12px,2vw,18px)}.solved-list{gap:8px;margin-bottom:12px;display:grid}.solved-group{border:1px solid #0000;border-radius:8px;padding:12px}.solved-group strong,.solved-group span{display:block}.solved-group span{color:#15191dbf;margin-top:4px;font-size:.9rem}.tone-green{background:var(--green-soft);border-color:#1b6f5c40}.tone-blue{background:var(--blue-soft);border-color:#2457a638}.tone-gold{background:var(--gold-soft);border-color:#8f64183d}.tone-rose{background:var(--rose-soft);border-color:#a83d513b}.board-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;display:grid}.term-tile{min-height:clamp(70px,9vw,92px);color:var(--ink);cursor:pointer;text-align:center;background:#e6ece7;border:1px solid #cfc6b8;border-radius:8px;justify-content:center;align-items:center;padding:10px;font-weight:800;transition:transform .14s,background .14s,border-color .14s,box-shadow 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14px}.text-button.primary{border-color:var(--dark);background:var(--dark);color:#fff}.text-button:disabled,.icon-button:disabled{cursor:not-allowed;opacity:.48}.message{min-height:28px;color:var(--muted);margin-top:12px;font-weight:700}.side-panel{padding:18px}.side-panel h2,.content-panel h2,.content-panel h3{margin:0}.side-panel h2{font-size:1rem}.hint-list,.term-list,.archive-list{gap:10px;margin:14px 0 0;padding:0;list-style:none;display:grid}.hint-list li,.term-list li,.archive-list li{border:1px solid var(--line);background:#ffffff85;border-radius:8px;padding:12px}.hint-list strong,.term-list strong{display:block}.hint-list span,.term-list span,.archive-list span{color:var(--muted);margin-top:4px;font-size:.92rem;display:block}.below-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:24px;display:grid}.link-card{border:1px solid var(--line);background:#fffdf8eb;border-radius:8px;min-height:148px;padding:18px}.link-card 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#2457a63d;border-radius:8px;margin-top:18px;padding:14px;font-weight:700}.definition-lead{margin-top:12px;font-size:1.3rem}.meta-line{color:var(--muted);margin-top:6px;font-weight:800}@media (max-width:940px){.game-layout,.below-grid,.content-grid{grid-template-columns:1fr}.game-top{flex-direction:column;align-items:stretch}.stat-strip{min-width:0}}@media (max-width:620px){.site-header{flex-direction:column;align-items:stretch;gap:10px}.site-nav{padding-bottom:2px}.site-nav a span{display:none}.site-nav a{width:42px;padding:0}.board-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.term-tile{min-height:68px}.game-actions{flex-direction:column;align-items:stretch}.action-left,.action-right,.text-button{width:100%}.text-button{flex:1}}