@charset "UTF-8";
:root{font-family:"Segoe UI Variable Text","Segoe UI",system-ui,-apple-system,sans-serif;font-size:13px;line-height:1.45;font-synthesis:none;color:var(--ink);background:var(--bg);--brand:#3772a3;--brand-dark:#2d5e86;--brand-light:#79aad2;--bg:#f5f5f5;--card:#fff;--surface-2:#f0f0f0;--line:#e0e0e0;--ink:#242424;--muted:#616161;--tint:#eaf2f8;--ok:#107c10;--ok-bg:#dff6dd;--error:#a4262c;--error-bg:#fde7e9}
:root[data-theme=dark]{color-scheme:dark;--bg:#1f1f1f;--card:#292929;--surface-2:#333;--line:#3d3d3d;--ink:#fff;--muted:#adadad;--tint:#243849;--link:#9cc3e3;--ok:#9fd89f;--ok-bg:#203b20;--error:#f1a7aa;--error-bg:#442726}
*{box-sizing:border-box}body{margin:0}button{font:inherit;min-height:32px;border:1px solid var(--line);border-radius:4px;background:var(--card);color:var(--ink);font-weight:600;padding:6px 10px;cursor:pointer}button:hover:not(:disabled){background:var(--surface-2)}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px}a{color:var(--link,var(--brand))}[hidden]{display:none!important}summary{cursor:pointer}.pane{max-width:460px;margin:auto;padding:0 12px 12px}.brand{height:44px;display:flex;align-items:center;gap:8px;margin-bottom:8px}.brand img{width:20px;height:20px}.brand h1{font-size:14px;line-height:1.3;margin:0;font-weight:600}.notice{font-size:12px;margin:8px 0;padding:10px 12px;background:var(--tint);border:1px solid var(--brand-light);border-radius:4px;overflow-wrap:anywhere}.notice.error{background:var(--error-bg);border-color:var(--error);color:var(--error)}.notice:empty{display:none}.welcome,#game-panel,.new-game,.how-to{padding:12px;background:var(--card);border:1px solid var(--line);border-radius:6px;margin:8px 0}.eyebrow{font-size:12px;font-weight:600;color:var(--muted)}.welcome h2{font-size:20px;line-height:1.3;margin:12px 0 8px;font-weight:600}.welcome p{color:var(--muted);margin:0}.mini-board{display:grid;grid-template-columns:repeat(4,30px);gap:3px;width:max-content;margin:20px auto;padding:5px;background:var(--card);border:1px solid var(--line);border-radius:4px}.mini-board i{font-style:normal;font-weight:600;display:grid;place-items:center;height:30px;background:var(--surface-2);border-radius:2px;color:var(--brand)}.mini-board i.tile{background:#c9def0;box-shadow:inset 0 -2px #a9c8e2}.mini-board i.flag{background:#ffedc2;color:#7b4a00}.safe-tag{display:block;text-align:center;font-size:12px;color:var(--muted)}.board-heading{display:flex;justify-content:space-between;align-items:center;gap:8px}.state-badge{font-size:12px;padding:3px 8px;background:var(--tint);border-radius:4px;font-weight:600;white-space:nowrap}.state-badge[data-status=lost]{background:var(--error-bg);color:var(--error)}.state-badge[data-status=won]{background:var(--ok-bg);color:var(--ok)}.stats{display:grid;grid-template-columns:1fr 1.2fr 1fr;text-align:center;margin:16px 0}.stats>div+div{border-left:1px solid var(--line)}.stats strong{display:block;font-size:24px;font-weight:600;font-variant-numeric:tabular-nums;line-height:1.3}.stats span{display:block;color:var(--muted);font-size:12px;margin-top:4px}.progress{height:4px;background:var(--surface-2);border-radius:4px;overflow:hidden}.progress>div{height:100%;background:var(--brand)}.game-message{background:var(--surface-2);padding:10px 12px;font-size:12px;border-radius:4px;margin:12px 0}.game-message[data-status=won]{background:var(--ok-bg)}.game-message[data-status=lost]{background:var(--error-bg)}.control-label{font-size:12px;font-weight:600;margin-bottom:6px}.mode-switch{display:grid;grid-template-columns:1fr 1fr;gap:6px}.mode-switch button[aria-pressed=true]{background:var(--brand);border-color:var(--brand);color:#fff}.mode-switch button[aria-pressed=true]:hover{background:var(--brand-dark)}.mode-switch button span{font-size:16px;margin-right:4px}.mode-hint{font-size:12px;color:var(--muted);margin:8px 0 12px;min-height:35px}.row-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px}.confirmation{border:1px solid var(--brand-light);border-radius:4px;background:var(--tint);padding:10px;margin-top:8px;font-size:12px}.confirmation p{margin:0 0 10px}.confirmation .primary{margin:0}.selection-tools{font-size:12px;margin:8px 0;color:var(--muted);border-top:1px solid var(--line);padding-top:8px}.selection-tools summary{padding:4px 0}.selection-tools summary span{color:var(--ink);font-weight:600}.selection-tools p{margin:8px 0}.selection-buttons{display:flex;flex-wrap:wrap;gap:6px}.selection-buttons button{font-size:12px;padding:6px 8px}.best{font-size:12px;color:var(--muted);padding-top:8px}.best:empty{display:none}.section-heading h2{font-size:13px;margin:0 0 12px;font-weight:600}.new-game label{display:block;font-size:12px;margin-bottom:6px}.difficulty-picker{position:relative}.picker-trigger{width:100%;display:flex;align-items:center;justify-content:space-between;gap:6px;text-align:left;font-size:12px;font-weight:400;min-height:36px}.picker-trigger>span:first-child{min-width:0}.picker-options{position:absolute;bottom:calc(100% + 4px);left:0;right:0;padding:4px;z-index:10;border:1px solid var(--line);border-radius:4px;background:var(--card);box-shadow:0 4px 16px #0002}.picker-options button{display:block;width:100%;text-align:left;font-size:12px;font-weight:400;border:0;padding:8px;min-height:36px}.picker-options button[aria-selected=true]{background:var(--tint);font-weight:600}.picker-options button:focus{outline:2px solid var(--brand);outline-offset:-2px;background:var(--surface-2)}.primary{background:var(--brand);border-color:var(--brand);color:#fff;width:100%;margin-top:8px}.primary:hover:not(:disabled){background:var(--brand-dark)}.small-note{font-size:12px;color:var(--muted);margin:8px 0 0}.text-button{font-size:12px;background:transparent;border:0;color:var(--link,var(--brand));padding:6px 0;text-decoration:underline;margin-top:4px}.how-to{font-size:12px}.how-to summary{font-weight:600;list-style:none}.how-to summary::-webkit-details-marker{display:none}.how-to summary span{float:right}.how-to ol{padding-left:18px}.how-to p,.how-to li{color:var(--muted)}.how-to li+li{margin-top:8px}footer{font-size:12px;color:var(--muted);margin-top:12px;display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between}footer a{text-decoration:none}footer a:hover{text-decoration:underline}footer nav{display:flex;gap:10px}.version{width:100%;font-size:12px}.legal{max-width:700px;padding:32px 24px;margin:auto;font-size:15px;line-height:1.75}.legal h1{font-size:30px;font-weight:600;line-height:1.2}.legal h2{font-size:19px;margin-top:30px}.legal .brand{margin-bottom:24px}.legal .brand h1{font-size:14px}@media(max-width:300px){.pane{padding:0 8px 12px}.welcome,#game-panel,.new-game,.how-to{padding:10px}.stats strong{font-size:22px}}

.working{position:fixed;bottom:8px;right:12px;z-index:20;pointer-events:none;font-size:12px;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:4px;padding:6px 10px;box-shadow:0 2px 8px #0002}#selected-description{color:var(--ink);font-weight:600}@media(forced-colors:active){.mode-switch button[aria-pressed=true],.picker-options button[aria-selected=true]{outline:2px solid Highlight;outline-offset:-3px}.progress>div{background:Highlight;forced-color-adjust:none}.state-badge{border:1px solid CanvasText}}