:root{color-scheme:dark;--bg:#11151b;--surface:#1b2028;--panel:#151a21;--tile1:#343c48;--tile2:#282f39;--open:#1b222c;--edge:#46505e;--line:#343d49;--ink:#e9edf1;--muted:#b2bac6;--gold:#d4ba85;--danger:#f5a4a4;--cell:38px;--speed:150ms;--n1:#90b8fb;--n2:#8bd4b1;--n3:#f4a09c;--n4:#c8b1f7;--n5:#e7b17f;--n6:#85d8df;--n7:#f0c8e0;--n8:#dae0e8}
*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 50% 0,#252c38 0,transparent 62%),var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh}button,input,select{font:inherit}button,select,input{color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:8px}button{min-height:44px;padding:9px 16px;cursor:pointer;transition:background var(--speed),border-color var(--speed)}button:hover{border-color:var(--gold);background:var(--tile2)}button:disabled{opacity:.45;cursor:default}button:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid var(--gold);outline-offset:3px}button.primary{color:#171a20;background:linear-gradient(#e6d4ad,#c9ac76);border-color:#dfc99e;font-weight:650}button.quiet{background:transparent}kbd{font:12px system-ui;border:1px solid currentColor;border-radius:4px;padding:1px 4px;margin-left:9px;opacity:.65}select{padding:9px;min-height:44px;max-width:100%}.app{max-width:1240px;margin:auto;padding:42px 32px 20px}.masthead{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:30px}.eyebrow{font-size:10px;letter-spacing:2.7px;color:var(--gold);margin:0 0 12px}.eyebrow span{padding:0 10px;color:var(--muted)}h1{font:clamp(30px,4vw,48px)/1.1 Georgia,"Times New Roman",serif;letter-spacing:-1px;margin:0}h1 em{font-weight:normal;color:var(--gold);font-style:normal}.subtitle{color:var(--muted);font-size:14px;margin:12px 0 0}.navigation{display:flex;flex-wrap:wrap;gap:8px;align-items:center;padding-bottom:23px}.navigation button{font-size:14px;padding:9px 13px}.select-label{font-size:12px;display:flex;gap:8px;align-items:center;color:var(--muted);margin:0 8px}.select-label select{font-size:14px}.tabletop{background:linear-gradient(135deg,#ffffff04,transparent),var(--surface);border:1px solid var(--line);border-radius:17px;box-shadow:0 24px 70px #0005,0 1px 0 #ffffff09 inset;padding:24px}.scorebar{display:grid;grid-template-columns:1fr 1.5fr 1fr;align-items:center;max-width:720px;margin:0 auto 23px}.readout span,.game-label>span{display:block;font-size:10px;letter-spacing:2px;color:var(--muted)}.readout strong{display:block;font-size:34px;font-weight:400;font-variant-numeric:tabular-nums;letter-spacing:1px}.clock{text-align:right}.game-label{text-align:center}.game-label strong{font:23px Georgia,serif;display:block;margin:4px 0}.game-label small{font-size:12px;color:var(--muted)}.board-top{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;color:var(--muted);margin:0 0 10px}.zoom{display:flex;gap:4px;flex-shrink:0}.zoom button{min-width:36px;min-height:36px;padding:4px 9px;font-size:14px}.board-shell{position:relative;overflow:hidden;background:var(--panel);border:1px solid #0009;border-radius:10px;box-shadow:0 3px 12px #0005 inset;padding:15px}.board-scroll{overflow:auto;max-height:67vh;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--edge) var(--panel);touch-action:pan-x pan-y}#board{display:grid;grid-template-columns:repeat(var(--cols,9),var(--cell));gap:3px;width:max-content;margin:auto;padding:3px;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}.cell{border-radius:4px;border:1px solid var(--edge);border-bottom-color:#11151c;min-height:0;width:var(--cell);height:var(--cell);padding:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,var(--tile1),var(--tile2));box-shadow:0 1px 0 #ffffff13 inset,0 2px 2px #0003;font-size:calc(var(--cell)*.48);font-weight:650;position:relative;touch-action:pan-x pan-y}.cell:hover{filter:brightness(1.15)}.cell.open{background:var(--open);border-color:var(--line);box-shadow:0 1px 3px #0002 inset}.cell.opened{animation:reveal var(--speed) ease-out}.cell svg{width:65%;height:65%;fill:none;stroke:var(--gold);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}.cell.flag svg{fill:#d4ba8533;animation:flag var(--speed) ease-out}.cell[data-n="1"]{color:var(--n1)}.cell[data-n="2"]{color:var(--n2)}.cell[data-n="3"]{color:var(--n3)}.cell[data-n="4"]{color:var(--n4)}.cell[data-n="5"]{color:var(--n5)}.cell[data-n="6"]{color:var(--n6)}.cell[data-n="7"]{color:var(--n7)}.cell[data-n="8"]{color:var(--n8)}.cell.exploded{background:#743b3e!important;animation:impact .3s}.cell.wrong::after{content:'×';position:absolute;color:var(--danger);font-size:30px;text-shadow:0 1px 2px #000}.cell.complete::after{content:'';position:absolute;bottom:3px;width:12px;border-bottom:2px solid var(--gold)}.cell.warning::after{content:'!';position:absolute;right:1px;top:0;font-size:11px;color:var(--danger)}.cell.safe{outline:2px dashed var(--n2);outline-offset:-4px}.cell.suspect{outline:2px dotted var(--danger);outline-offset:-4px}.cell.hint{outline:3px solid var(--gold);outline-offset:-3px}.cell.daily-start::after{content:'◎';position:absolute;color:var(--gold)}.cell:focus-visible{outline:3px solid var(--gold);outline-offset:0;z-index:1}.curtain{position:absolute;inset:0;background:var(--panel);z-index:5;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:18px;text-align:center}.curtain>span{font:32px Georgia,serif;color:var(--gold)}.curtain p{color:var(--muted);max-width:400px}.actionbar{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:20px}.actionbar button{display:flex;align-items:center;gap:9px}.actionbar svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8}.actionbar [aria-pressed="true"]{background:var(--gold);color:#14181f}.status{text-align:center;color:var(--muted);font-size:14px;min-height:27px;margin-top:16px}.status.victory{color:var(--gold)}footer{display:flex;justify-content:space-between;gap:16px;color:var(--muted);font-size:11px;padding:20px 4px}footer b{padding:0 8px;font-weight:normal;color:var(--gold)}.resume{display:flex;flex-wrap:wrap;align-items:center;gap:10px;border:1px solid var(--gold);padding:16px;margin-bottom:18px;border-radius:10px}.resume span{flex:1}dialog{color:var(--ink);background:var(--surface);border:1px solid var(--edge);border-radius:16px;padding:24px;width:min(720px,calc(100% - 24px));max-height:88vh;box-shadow:0 20px 100px #000b}dialog::backdrop{background:#080c12c9;backdrop-filter:blur(4px)}dialog>header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}h2{font:28px Georgia,serif;margin:0;color:var(--gold)}h3{font-size:17px;margin-top:24px}p{color:var(--muted)}dialog header button{font-size:24px;padding:0;width:44px}#dialogBody{overflow-wrap:anywhere}.settings-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.setting{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px;background:var(--panel);border:1px solid var(--line);border-radius:8px;font-size:14px}.setting input[type=checkbox]{width:22px;height:22px;accent-color:var(--gold);flex-shrink:0}.setting input[type=range]{width:100px}.setting select{max-width:145px}.formrow{display:flex;flex-wrap:wrap;gap:14px;margin:16px 0}.formrow label{flex:1;min-width:100px}.formrow input{width:100%;padding:10px}.choices{display:grid;grid-template-columns:1fr 1fr;gap:10px}.choices button{text-align:left;padding:16px}.choices strong{display:block;color:var(--gold)}.choices small{display:block;color:var(--muted);margin-top:6px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:13px;text-align:left}th,td{padding:9px;border-bottom:1px solid var(--line);white-space:nowrap}th{color:var(--gold);font-weight:500}.trophies{display:grid;grid-template-columns:1fr 1fr;gap:10px}.trophy{border:1px solid var(--line);border-radius:8px;padding:14px;color:var(--muted)}.trophy.unlocked{border-color:var(--gold);color:var(--gold);background:#d4ba8508}.trophy small{display:block}.warning{color:var(--danger)}[hidden]{display:none!important}.winning{animation:win .7s ease-out}.large-text{font-size:19px}.large-text .status,.large-text .setting,.large-text .navigation button{font-size:17px}.reduced *{animation:none!important;transition:none!important}.theme-classic{color-scheme:light;--bg:#d6d5cf;--surface:#f0efe9;--panel:#cfcec7;--tile1:#faf9f3;--tile2:#d9d8d2;--open:#e8e7e1;--edge:#969b9b;--line:#b2b5b2;--ink:#17232a;--muted:#4a535a;--gold:#554b32;--n1:#244d92;--n2:#205b38;--n3:#9a2925;--n4:#593a95;--n5:#87460e;--n6:#166574;--n7:#7d3263;--n8:#344454}.theme-mahogany{--bg:#1e1412;--surface:#35231e;--panel:#211814;--tile1:#614133;--tile2:#432e26;--open:#2e231e;--edge:#805f4c;--line:#574237}.theme-slate{--bg:#172025;--surface:#29343a;--panel:#1b292f;--tile1:#50626b;--tile2:#3b4b54;--open:#25333b;--edge:#64757c;--line:#435760;--gold:#c9d8d7}.theme-contrast{--bg:#000;--surface:#080808;--panel:#000;--tile1:#282828;--tile2:#282828;--open:#000;--edge:#eee;--line:#888;--ink:#fff;--muted:#eee;--gold:#ffff70;--n1:#9fcaff;--n2:#adffb0;--n3:#ffb0b0;--n4:#e3c1ff;--n5:#ffd4a0;--n6:#9ffaff;--n7:#ffcaef;--n8:#fff}.theme-contrast .cell{border-width:2px}.time-attack .clock strong{color:var(--gold)}@keyframes reveal{from{opacity:.5;transform:scale(.94)}to{opacity:1;transform:scale(1)}}@keyframes flag{from{transform:translateY(-4px);opacity:.3}to{transform:translateY(0);opacity:1}}@keyframes win{50%{box-shadow:0 0 0 3px var(--gold)}}@keyframes impact{50%{transform:translateX(2px)}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}@media(max-width:650px){.app{padding:22px 12px 12px}.masthead{align-items:flex-start;margin-bottom:22px}.masthead button{padding:8px;font-size:13px}.eyebrow{font-size:8px;letter-spacing:1.2px}.eyebrow span{padding:0 4px}h1{font-size:31px}h1 em{display:block}.navigation{gap:6px;padding-bottom:15px}.navigation button{flex-grow:1;padding:8px;font-size:13px}.select-label{margin:0;flex-grow:1;justify-content:center}.tabletop{padding:12px;border-radius:12px}.scorebar{margin:4px 0 14px;grid-template-columns:1fr 1.25fr 1fr}.readout strong{font-size:27px}.readout span,.game-label>span{font-size:8px;letter-spacing:1px}.game-label strong{font-size:19px}.game-label small{font-size:10px}.board-shell{padding:6px}.board-top{font-size:11px}.actionbar{gap:6px;margin-top:12px}.actionbar button{padding:9px 11px;font-size:14px}.status{font-size:13px}footer{display:block;font-size:10px}footer span{display:block;margin-bottom:6px}.settings-grid,.choices,.trophies{grid-template-columns:1fr}dialog{padding:18px}.clock strong{letter-spacing:0}kbd{display:none}}

/* Games navigation uses normal header/menu flow, never the playfield overlay. */
a.return-games{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:6px 10px;box-sizing:border-box;color:inherit;font:600 13px/1.25 system-ui,sans-serif;letter-spacing:normal;text-decoration:underline;text-underline-offset:3px;white-space:nowrap;border-radius:5px}
a.return-games:hover{background:#ffffff14}a.return-games:focus-visible{outline:2px solid currentColor;outline-offset:2px}