:root{--no-bg:#c3d7de;--no-surface:#fff;--no-surface-2:#f7fafc;--no-panel:#d9e8ed;--no-text:#17212b;--no-muted:#667985;--no-line:#c7d7df;--no-line-strong:#9eb7c2;--no-cyan:#18bfd2;--no-cyan-dark:#067f92;--no-mint:#5bcfae;--no-violet:#7965df;--no-pink:#c44c8d;--no-danger:#c63b5e;--no-shadow:0 18px 48px rgba(35,65,82,.12);--no-header:60px;--grid:#17212b;--cell:#fff;--cell-2:#f5f8fa;--clue:#17212b;--clue-muted:#667985;color-scheme:light}
html[data-theme="dark"]{--no-bg:#111c24;--no-surface:#1b2a35;--no-surface-2:#243744;--no-panel:#172731;--no-text:#f5fafc;--no-muted:#b2c4ce;--no-line:#405966;--no-line-strong:#6d8996;--no-cyan:#62d8e5;--no-cyan-dark:#8ae8f1;--no-mint:#75dfc0;--no-violet:#ad9cff;--no-pink:#ff9bd2;--no-danger:#ff91aa;--no-shadow:0 18px 48px rgba(0,0,0,.28);--grid:#f5fafc;--cell:#1b2a35;--cell-2:#243744;--clue:#f5fafc;--clue-muted:#b2c4ce;color-scheme:dark}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;min-height:100%;overflow-x:hidden}html{background:var(--no-bg);-webkit-text-size-adjust:100%;text-size-adjust:100%}
body{min-height:100vh;min-height:100svh;color:var(--no-text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:radial-gradient(circle at 0 0,rgba(24,191,210,.18),transparent 29rem),radial-gradient(circle at 100% 6%,rgba(196,76,141,.14),transparent 28rem),linear-gradient(180deg,color-mix(in srgb,var(--no-bg) 84%,#fff),var(--no-bg))}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;background-image:linear-gradient(rgba(50,87,107,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(50,87,107,.035) 1px,transparent 1px);background-size:30px 30px}
button{font:inherit;touch-action:manipulation}button:focus-visible,a:focus-visible{outline:3px solid color-mix(in srgb,var(--no-cyan) 48%,transparent);outline-offset:3px}
.app{width:min(100%,1120px);min-height:100vh;min-height:100svh;height:auto;margin:0 auto;padding:0 max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));display:grid;grid-template-rows:auto 1fr auto;gap:0}
.topbar{position:sticky;top:0;z-index:30;min-height:var(--no-header);margin:0 -12px;padding:9px max(14px,env(safe-area-inset-right));display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:10px;color:var(--no-text);background:color-mix(in srgb,var(--no-surface) 88%,transparent);border:0;border-bottom:1px solid color-mix(in srgb,var(--no-line) 75%,transparent);border-radius:0;box-shadow:none;backdrop-filter:blur(18px) saturate(1.15)}
.brand{min-width:0}.brand-title{color:var(--no-text);font-size:clamp(21px,4.8vw,30px);line-height:1;font-weight:1000;letter-spacing:-.04em;text-shadow:none}.brand-sub{margin-top:4px;color:var(--no-muted);font-size:10px;line-height:1.15;font-weight:850;letter-spacing:.07em;text-transform:uppercase;white-space:nowrap}.header-actions{display:flex;align-items:center;gap:7px}
.icon-btn,.theme-toggle{height:42px;border:1px solid var(--no-line);border-radius:13px;color:var(--no-text);background:var(--no-surface);box-shadow:0 4px 12px rgba(40,68,84,.06);cursor:pointer}.icon-btn{width:42px;padding:0;display:grid;place-items:center}.icon-btn.red{color:#fff;background:var(--no-danger);border-color:var(--no-danger)}html[data-theme="dark"] .icon-btn.red{color:#481021}.icon-btn svg{width:20px;height:20px}
.theme-toggle{position:relative;width:64px;padding:0}.theme-toggle .track-icon{position:absolute;top:50%;width:15px;height:15px;transform:translateY(-50%);color:var(--no-muted);opacity:.8}.theme-toggle .sun{left:8px}.theme-toggle .moon{right:8px}.theme-toggle .knob{position:absolute;top:5px;left:5px;width:30px;height:30px;border:0;border-radius:50%;background:var(--no-cyan);box-shadow:0 2px 7px rgba(28,62,80,.2);transition:transform .2s ease}html[data-theme="dark"] .theme-toggle .knob{transform:translateX(24px)}
.game{min-height:0;width:100%;max-width:1040px;margin:0 auto;padding:14px 0 10px;display:grid;grid-template-rows:auto auto auto;justify-items:center;align-content:start;gap:11px}.puzzle-zone{width:100%;min-width:0;display:grid;place-items:center;overflow:visible}
.metal-shell{width:100%;max-width:100%;padding:10px;overflow-x:auto;overflow-y:hidden;overscroll-behavior-inline:contain;border:1px solid var(--no-line-strong);border-radius:24px;background:color-mix(in srgb,var(--no-panel) 88%,var(--no-surface));box-shadow:var(--no-shadow);scrollbar-width:thin;scrollbar-color:var(--no-line-strong) transparent}
.puzzle-grid{box-sizing:content-box;margin:0 auto;display:grid;overflow:hidden;border:2px solid var(--no-text);border-radius:14px;background:var(--no-surface-2);box-shadow:none}
.corner,.col-clues,.row-clues{color:var(--no-text);background:var(--no-surface-2)}.corner{border-right:2px solid var(--no-text);border-bottom:2px solid var(--no-text)}.col-clues{border-bottom:2px solid var(--no-text)}.row-clues{border-right:2px solid var(--no-text)}
.clue-line{color:var(--no-text);font-weight:1000;border-color:var(--no-line)!important}.clue-line.complete{color:#08745c;background:color-mix(in srgb,var(--no-mint) 22%,var(--no-surface))}html[data-theme="dark"] .clue-line.complete{color:#aaf3df}
.board{background:var(--no-line);touch-action:none}.board-cell{position:relative;min-width:0;min-height:0;padding:0;display:grid;place-items:center;border:0;border-color:var(--no-line)!important;color:var(--no-muted);background:var(--no-surface);box-shadow:none;cursor:pointer}.board-cell.selected{z-index:2;background:color-mix(in srgb,var(--no-cyan) 18%,var(--no-surface));box-shadow:inset 0 0 0 3px var(--no-cyan-dark)}.board-cell.hint{box-shadow:inset 0 0 0 3px var(--no-mint)}.board-cell.error{background:color-mix(in srgb,var(--no-danger) 16%,var(--no-surface));box-shadow:inset 0 0 0 3px var(--no-danger)}
.fill-mark{width:88%;height:88%;border:0;border-radius:15%;background:linear-gradient(145deg,var(--no-pink),var(--no-violet));box-shadow:none}.cross-mark{color:var(--no-muted);opacity:1}.cross-mark::before,.cross-mark::after{background:currentColor}
.mode-wrap{width:100%;padding:8px;border:1px solid var(--no-line-strong);border-radius:18px;background:var(--no-panel);box-shadow:0 7px 17px rgba(42,66,82,.07)}.mode-row,.control-row{width:100%;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.mode-btn,.control-btn{min-width:0;min-height:52px;padding:9px 6px;border:1px solid var(--no-line);border-radius:16px;color:var(--no-text);background:var(--no-surface);box-shadow:0 7px 17px rgba(42,66,82,.07);font-size:clamp(12px,3.2vw,16px);font-weight:950;cursor:pointer;text-shadow:none}.mode-btn.active,.control-btn.green{color:#075d4c;background:color-mix(in srgb,var(--no-mint) 25%,var(--no-surface));border-color:var(--no-mint)}.mode-btn.cross.active{color:#624cb9;background:color-mix(in srgb,var(--no-violet) 18%,var(--no-surface));border-color:var(--no-violet)}.mode-btn.erase.active{color:var(--no-cyan-dark);background:color-mix(in srgb,var(--no-cyan) 18%,var(--no-surface));border-color:var(--no-cyan)}.control-btn.red{color:#fff;background:var(--no-danger);border-color:var(--no-danger)}html[data-theme="dark"] .control-btn.red{color:#481021}.mode-btn:active,.control-btn:active,.icon-btn:active{transform:scale(.97)}
.legal-footer{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;padding:8px 10px max(7px,env(safe-area-inset-bottom));color:var(--no-muted);font-size:11px;letter-spacing:.02em}.legal-footer a{color:inherit;text-decoration:none}.legal-footer a:hover{text-decoration:underline}
.modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:flex-start;justify-content:center;padding:max(20px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) max(20px,env(safe-area-inset-bottom));overflow-y:auto;background:rgba(19,37,47,.62);backdrop-filter:blur(12px);transition:opacity .2s ease}.modal.hidden{opacity:0;pointer-events:none}.modal-card{width:min(100%,520px);margin:auto;padding:0;border:1px solid var(--no-line-strong);border-radius:26px;background:var(--no-surface);box-shadow:0 30px 80px rgba(20,44,56,.28);overflow:hidden}.modal-inner{padding:clamp(22px,5vw,34px);border:0;border-radius:0;color:var(--no-text);background:var(--no-surface);text-align:center}.modal h1{margin:0;color:var(--no-text);font-size:clamp(34px,9vw,52px);line-height:1;font-weight:1000;letter-spacing:-.05em;text-shadow:none}.modal p{max-width:40ch;margin:10px auto 20px;color:var(--no-muted);line-height:1.48;font-weight:700;text-shadow:none}.option-title{margin:15px 0 7px;text-align:left;color:var(--no-muted);font-size:11px;font-weight:950;text-transform:uppercase;letter-spacing:.1em}.option-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.option-btn,.modal-btn{min-height:58px;border:1px solid var(--no-line);border-radius:15px;color:var(--no-text);background:var(--no-surface-2);box-shadow:none;font-weight:950;cursor:pointer}.option-btn small{display:block;margin-top:3px;color:var(--no-muted)}.option-btn.selected{color:#fff;background:linear-gradient(135deg,var(--no-violet),var(--no-pink));border-color:var(--no-violet)}.option-btn.selected small{color:#fff}.modal-btn{width:100%;margin-top:10px;min-height:50px;color:#fff;background:linear-gradient(135deg,var(--no-cyan-dark),var(--no-cyan),var(--no-mint));border:0;font-size:16px}.modal-btn.rules-btn,.modal-btn.secondary{color:var(--no-text);background:var(--no-surface-2);border:1px solid var(--no-line)}.rules{display:none;margin-top:11px;padding:14px;border:1px solid var(--no-line);border-radius:16px;color:var(--no-text);background:var(--no-surface-2);font-size:13px;line-height:1.5;text-align:left}.rules.open{display:block}.rules strong{color:var(--no-text)}.rules ul{margin:8px 0 0;padding-left:20px}.rules li+li{margin-top:6px}.loading{display:none;margin-top:12px;color:var(--no-muted);font-weight:850}.loading.show{display:block}.win-info{margin:16px 0 2px;padding:12px;border:1px solid var(--no-line);border-radius:15px;color:var(--no-text);background:var(--no-surface-2);font-weight:900;text-shadow:none}.win-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;margin-top:14px}.win-actions .modal-btn{margin:0}
.toast{position:fixed;z-index:2000;left:50%;bottom:max(16px,env(safe-area-inset-bottom));transform:translate(-50%,18px);max-width:88vw;padding:10px 15px;border:1px solid var(--no-line);border-radius:999px;color:var(--no-text);background:var(--no-surface);box-shadow:var(--no-shadow);opacity:0;pointer-events:none;transition:.2s ease;text-align:center;font-weight:850;font-size:13px}.toast.show{opacity:1;transform:translate(-50%,0)}.toast.error{color:#fff;background:var(--no-danger)}.toast.success{color:#063f35;background:var(--no-mint)}
@media(max-width:430px){.brand-sub{display:none}.topbar{min-height:56px;padding-block:7px}.icon-btn{width:40px;height:40px}.theme-toggle{height:40px;width:60px}.theme-toggle .knob{width:28px;height:28px}html[data-theme="dark"] .theme-toggle .knob{transform:translateX(22px)}.game{padding-top:10px;gap:8px}.metal-shell{padding:7px;border-radius:18px}.mode-wrap{padding:6px}.mode-row,.control-row{gap:6px}.mode-btn,.control-btn{min-height:48px;border-radius:14px;padding:7px 3px;font-size:12px}.win-actions{grid-template-columns:1fr}.option-grid{gap:5px}.option-btn{padding-inline:3px}}
@media(min-width:700px) and (orientation:portrait){:root{--no-header:78px}.topbar{padding-inline:20px}.brand-title{font-size:36px}.brand-sub{font-size:13px}.icon-btn,.theme-toggle{height:54px}.icon-btn{width:54px}.theme-toggle{width:82px}.theme-toggle .knob{width:40px;height:40px;top:6px;left:6px}html[data-theme="dark"] .theme-toggle .knob{transform:translateX(30px)}.game{gap:14px;padding-top:18px}.metal-shell{padding:14px;border-radius:30px}.mode-wrap{padding:11px}.mode-row,.control-row{gap:12px}.mode-btn,.control-btn{min-height:68px;border-radius:20px;font-size:19px}.modal-card{max-width:700px}.modal-inner{padding:42px}.option-btn,.modal-btn{min-height:72px;font-size:19px}.option-title{font-size:14px}.modal p,.rules{font-size:17px}}
@media(min-width:760px) and (orientation:landscape){:root{--no-header:64px}.game{max-width:1060px;grid-template-columns:minmax(0,1fr) minmax(250px,300px);grid-template-rows:auto auto;column-gap:18px;row-gap:12px;align-items:center;align-content:center;padding:16px 0 10px}.puzzle-zone{grid-column:1;grid-row:1/3;width:100%;min-width:0}.mode-wrap{grid-column:2;grid-row:1;align-self:end}.control-row{grid-column:2;grid-row:2;align-self:start;grid-template-columns:1fr;gap:9px}.mode-row{grid-template-columns:repeat(3,minmax(0,1fr))}.mode-btn,.control-btn{min-height:56px;font-size:15px}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important;scroll-behavior:auto!important}}
html.gq-nono .legal-footer{color:var(--no-muted)}
html.gq-nono .theme-toggle{color:var(--no-text);background:var(--no-surface);border-color:var(--no-line)}
html.gq-nono .clue-line{color:var(--no-text);border-color:var(--no-line)}
html.gq-nono .clue-line.complete{color:#08745c;background:color-mix(in srgb,var(--no-mint) 22%,var(--no-surface))}
html.gq-nono .board-cell{background:var(--no-surface);box-shadow:none}
html.gq-nono .option-btn.selected{color:#fff;background:#604bc6;border-color:#604bc6}
html.gq-nono .option-btn.selected small{color:#fff}
html.gq-nono .modal-btn:not(.rules-btn):not(.secondary){color:#fff;background:#067f92;border-color:#067f92}
html[data-theme="dark"].gq-nono .option-btn.selected{color:#21184d;background:#ad9cff;border-color:#ad9cff}
html[data-theme="dark"].gq-nono .option-btn.selected small{color:#21184d}
html[data-theme="dark"].gq-nono .modal-btn:not(.rules-btn):not(.secondary){color:#102c35;background:#8ae8f1;border-color:#8ae8f1}