.solver-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:22px;align-items:end;padding:clamp(20px,3vw,34px);border:1px solid rgba(234,215,170,0.96);border-radius:8px;background:linear-gradient(135deg,rgba(255,253,247,0.96),rgba(255,243,213,0.9)),radial-gradient(circle at 92% 16%,rgba(200,68,45,0.16),transparent 34%),radial-gradient(circle at 12% 90%,rgba(53,119,92,0.12),transparent 38%);box-shadow:0 18px 42px rgba(85,48,21,0.11)}.solver-hero h1{max-width:760px;margin:8px 0 10px;color:var(--ink);font-size:clamp(34px,4.6vw,68px);line-height:0.98}.solver-hero p{max-width:820px;margin:0;font-size:17px;font-weight:760}.solver-hero-stats{display:grid;gap:8px;min-width:min(100%,250px)}.solver-hero-stats span{display:block;padding:10px 12px;border:1px solid rgba(200,68,45,0.24);border-radius:7px;color:var(--accent-dark);background:rgba(255,248,232,0.82);font-size:13px;font-weight:950;text-align:center}.solver-layout{width:min(100%,var(--content-width));display:grid;grid-template-columns:minmax(0,634px) minmax(330px,390px);gap:16px;align-items:start;justify-content:center;margin:18px auto 0}.solver-board-panel,.solver-results-panel{border:1px solid rgba(234,215,170,0.94);border-radius:8px;background:radial-gradient(circle at 0% 0%,rgba(232,185,63,0.16),transparent 34%),linear-gradient(180deg,rgba(255,253,247,0.96),rgba(255,248,232,0.92));box-shadow:0 18px 38px rgba(85,48,21,0.1)}.solver-board-panel{padding:clamp(14px,2vw,24px)}.solver-results-panel{display:grid;gap:12px;padding:14px;background:radial-gradient(circle at 100% 0%,rgba(200,68,45,0.14),transparent 32%),radial-gradient(circle at 0% 100%,rgba(53,119,92,0.12),transparent 34%),linear-gradient(180deg,rgba(255,253,247,0.96),rgba(255,248,232,0.9))}.solver-panel-head{display:flex;align-items:start;justify-content:space-between;gap:12px}.solver-example-label{position:relative;display:block;min-width:190px;color:var(--muted);font-size:11px;font-weight:950;letter-spacing:0.08em;text-transform:uppercase}.solver-example-label select{appearance:none;width:100%;min-height:42px;padding:10px 38px 10px 13px;border:1px solid rgba(169,139,97,0.5);border-radius:8px;color:var(--accent-dark);background:linear-gradient(135deg,rgba(200,68,45,0.08),transparent 42%),linear-gradient(180deg,#fffdf7,#fff6df);box-shadow:0 10px 22px rgba(85,48,21,0.08),inset 0 1px 0 rgba(255,255,255,0.9);font:950 14px/1.2 ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;outline:none}.solver-example-label::after{content:"";position:absolute;top:16px;right:14px;width:8px;height:8px;border-right:2px solid rgba(143,40,27,0.76);border-bottom:2px solid rgba(143,40,27,0.76);pointer-events:none;transform:rotate(45deg)}.solver-example-label select:focus-visible{border-color:rgba(200,68,45,0.7);box-shadow:0 0 0 3px rgba(200,68,45,0.14)}.solver-panel-head h2,.solver-hint-card h2{margin:4px 0 0;color:var(--ink);font-size:22px;line-height:1.1}.solver-input-label{display:grid;gap:8px;margin-top:16px;color:var(--ink);font-size:13px;font-weight:950;text-transform:uppercase}.solver-input-label textarea{width:100%;height:184px;min-height:184px;max-height:240px;padding:9px 11px;border:1px solid rgba(169,139,97,0.5);border-radius:8px;color:var(--ink);background:#fffdf7;font:850 13px/1.32 ui-monospace,"SFMono-Regular",Consolas,monospace;overflow:hidden;resize:vertical}.solver-string-panel summary{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;min-height:44px;color:var(--ink);font-size:13px;font-weight:950;text-transform:uppercase;cursor:pointer;list-style:none}.solver-string-panel summary::-webkit-details-marker{display:none}.solver-string-panel summary::after{content:"";width:8px;height:8px;margin-left:2px;border-right:2px solid rgba(143,40,27,0.74);border-bottom:2px solid rgba(143,40,27,0.74);transform:rotate(45deg) translateY(-2px);transition:transform 120ms ease}.solver-string-panel[open] summary::after{transform:rotate(225deg) translate(-2px,-1px)}.solver-string-panel summary strong{min-width:76px;padding:6px 8px;border:1px solid rgba(200,68,45,0.18);border-radius:7px;color:var(--accent-dark);background:rgba(255,253,247,0.78);font:950 11px/1 ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;text-align:center}.solver-row-editor{display:grid;gap:5px;margin-top:8px}.solver-row-editor label{display:grid;grid-template-columns:30px minmax(0,1fr);align-items:center;gap:8px;min-width:0}.solver-row-editor span{display:grid;place-items:center;min-height:32px;border:1px solid rgba(234,215,170,0.86);border-radius:7px;color:var(--accent-dark);background:linear-gradient(180deg,rgba(255,248,232,0.98),rgba(255,242,213,0.86));font-weight:950}.solver-row-input{width:100%;min-height:32px;min-width:0;padding:6px 10px;border:1px solid rgba(169,139,97,0.44);border-radius:7px;color:var(--ink);background:rgba(255,253,247,0.94);font:900 14px/1.1 ui-monospace,"SFMono-Regular",Consolas,monospace;letter-spacing:0.08em;outline:none}.solver-row-input:focus-visible{border-color:rgba(200,68,45,0.68);box-shadow:0 0 0 3px rgba(200,68,45,0.12)}.solver-input-label textarea:focus-visible{border-color:rgba(200,68,45,0.68);outline:none;box-shadow:0 0 0 3px rgba(200,68,45,0.13)}.solver-input-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,0.72fr);gap:12px;align-items:start;margin-top:16px}.solver-input-grid .solver-input-label{margin-top:0}.solver-string-panel,.solver-id-panel{display:grid;gap:8px;align-content:start;min-width:0;min-height:0;padding:12px;border:1px solid rgba(234,215,170,0.82);border-radius:8px;background:radial-gradient(circle at 100% 0%,rgba(232,185,63,0.16),transparent 42%),rgba(255,248,232,0.72)}.solver-string-panel{background:radial-gradient(circle at 0% 0%,rgba(53,119,92,0.13),transparent 42%),rgba(255,248,232,0.72)}.solver-id-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px;align-items:stretch;min-width:0}.solver-id-row input{width:100%;min-width:0;min-height:42px;padding:9px 11px;border:1px solid rgba(169,139,97,0.5);border-radius:8px;color:var(--ink);background:#fffdf7;font:900 15px/1.2 ui-monospace,"SFMono-Regular",Consolas,monospace;text-transform:uppercase;outline:none}.solver-id-row input:focus-visible{border-color:rgba(200,68,45,0.7);box-shadow:0 0 0 3px rgba(200,68,45,0.14)}.solver-id-row .button{min-height:42px;padding:9px 12px;white-space:nowrap}.solver-input-help{margin:0;color:var(--muted);font-size:12px;font-weight:750;line-height:1.35}.solver-action-row{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:8px;margin:14px 0}.solver-action-row .button{width:100%;min-width:0;min-height:42px;padding:9px 10px;font-size:12px}.solver-action-row .button:disabled{cursor:not-allowed;opacity:0.48;filter:grayscale(0.2)}.solver-cage-editor{display:grid;grid-template-columns:minmax(210px,1fr) minmax(132px,0.52fr) repeat(3,minmax(0,0.38fr));gap:8px;align-items:stretch;margin:0 0 4px;padding:10px;border:1px solid rgba(234,215,170,0.92);border-radius:8px;background:radial-gradient(circle at 100% 0%,rgba(200,68,45,0.12),transparent 44%),linear-gradient(180deg,rgba(255,250,236,0.92),rgba(255,243,214,0.76))}.solver-cage-editor[hidden]{display:none}.solver-cage-editor-copy{min-width:0;display:grid;align-content:center;gap:2px}.solver-cage-editor-copy strong{color:var(--ink);font-size:16px;font-weight:950;line-height:1.05}.solver-cage-editor-copy span{color:var(--muted);font-size:11px;font-weight:780;line-height:1.3}.solver-cage-sum-label{display:grid;gap:4px;color:var(--accent-dark);font-size:10px;font-weight:950;letter-spacing:0.14em;text-transform:uppercase}.solver-cage-sum-row{display:grid;grid-template-columns:34px minmax(50px,1fr) 34px;gap:5px;align-items:stretch}.solver-cage-sum-label input{width:100%;min-width:0;min-height:42px;padding:8px 6px;border:1px solid rgba(169,139,97,0.52);border-radius:8px;color:var(--ink);background:rgba(255,253,247,0.95);font:950 18px/1.1 ui-monospace,"SFMono-Regular",Consolas,monospace;outline:none;text-align:center}.solver-cage-sum-label input:focus-visible{border-color:rgba(200,68,45,0.68);box-shadow:0 0 0 3px rgba(200,68,45,0.13)}.solver-cage-editor .button{width:100%;min-width:0;min-height:40px;padding:8px 9px;font-size:11px}.solver-cage-step{min-width:0;min-height:42px;border:1px solid rgba(169,139,97,0.52);border-radius:8px;color:var(--accent-dark);background:rgba(255,253,247,0.92);font-size:18px;font-weight:950;line-height:1;cursor:pointer}.solver-cage-step:hover,.solver-cage-step:focus-visible{border-color:rgba(200,68,45,0.64);color:#fffdf7;background:linear-gradient(180deg,rgba(200,68,45,0.92),rgba(143,40,27,0.94));outline:none}.solver-cage-step:disabled{cursor:not-allowed;opacity:0.48}.solver-cage-editor .button.active,.solver-cage-editor .button[aria-pressed="true"]{border-color:rgba(200,68,45,0.7);color:#fffdf7;background:linear-gradient(180deg,rgba(200,68,45,0.96),rgba(143,40,27,0.96));box-shadow:0 10px 20px rgba(143,40,27,0.16)}