.ybf26[data-tool="mines"]{box-sizing:border-box;max-width:760px;margin:0 auto;padding:3px;border-radius:18px;background:linear-gradient(135deg,#5b8def,#8f5bef 45%,#ef5b8f);font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#1f2430}
.ybf26[data-tool="mines"] *,.ybf26[data-tool="mines"] *::before,.ybf26[data-tool="mines"] *::after{box-sizing:border-box}
.ybf26[data-tool="mines"] .ybf26-panel{background:#fff;border-radius:15px;padding:16px;display:flex;flex-direction:column;gap:12px}
.ybf26[data-tool="mines"] .ybf26-title{margin:0;font-size:26px;line-height:1.25;color:#1f2430}
.ybf26[data-tool="mines"] .ybf26-hint{margin:0;font-size:16px;line-height:1.5;color:#3c4457}
.ybf26[data-tool="mines"] .ybf26-stats{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:16px;color:#2b3242}
.ybf26[data-tool="mines"] .ybf26-stat{background:#eef2fb;border-radius:8px;padding:4px 10px}
.ybf26[data-tool="mines"] .ybf26-controls{display:flex;flex-wrap:wrap;gap:8px}
.ybf26[data-tool="mines"] button{font-size:16px;font-family:inherit;min-width:44px;min-height:44px;border-radius:10px;border:2px solid #4a63c8;background:#e8edff;color:#1f2430;cursor:pointer;padding:6px 12px;line-height:1.2}
.ybf26[data-tool="mines"] button:hover:not(:disabled){background:#d7e0ff}
.ybf26[data-tool="mines"] button:disabled{cursor:not-allowed;opacity:.55}
.ybf26[data-tool="mines"] button:focus-visible{outline:3px solid #b23bd6;outline-offset:2px}
.ybf26[data-tool="mines"] button[data-act="start"]{background:#4a63c8;color:#fff;border-color:#3a4fa8}
.ybf26[data-tool="mines"] button[data-act="start"]:hover:not(:disabled){background:#3a4fa8}
.ybf26[data-tool="mines"] button[data-act="mode"][aria-pressed="true"]{background:#f5b83d;border-color:#b07d12;color:#2b2000}
.ybf26[data-tool="mines"] button[data-act="reset"]{background:#f3f4f8;border-color:#8a90a3;color:#2b3242}
.ybf26[data-tool="mines"] .ybf26-board{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:3px;width:100%}
.ybf26[data-tool="mines"] .ybf26-board button{width:100%;min-width:0;min-height:44px;padding:0;font-size:18px;font-weight:600;border-radius:8px;border:2px solid #7d8bb8;background:#dfe6f7;color:#1f2430;display:flex;align-items:center;justify-content:center}
.ybf26[data-tool="mines"] .ybf26-board button[data-cell]:disabled{opacity:1}
.ybf26[data-tool="mines"] .ybf26-board button.ybf26-flag{background:#f5b83d;border-color:#b07d12;color:#2b2000}
.ybf26[data-tool="mines"] .ybf26-board button.ybf26-revealed{background:#f4f6fb;border-color:#c3c9d8;color:#1f2430;cursor:default}
.ybf26[data-tool="mines"] .ybf26-board button.ybf26-num{color:#1a3fa0}
.ybf26[data-tool="mines"] .ybf26-board button.ybf26-mine{background:#ffd9d9;border-color:#c0392b;color:#8a1f14}
.ybf26[data-tool="mines"] .ybf26-board button.ybf26-boom{background:#c0392b;border-color:#7d1f14;color:#fff}
.ybf26[data-tool="mines"] .ybf26-status{font-size:16px;line-height:1.5;background:#eef2fb;border-radius:8px;padding:8px 12px;color:#2b3242}
.ybf26[data-tool="mines"] .ybf26-summary{font-size:16px;line-height:1.5;background:#f7f9ff;border:1px solid #d5ddf2;border-radius:8px;padding:8px 12px;color:#1f2430;min-height:0}
.ybf26[data-tool="mines"] .ybf26-summary:empty{display:none}
@media (max-width:420px){.ybf26[data-tool="mines"]{padding:2px;border-radius:14px}.ybf26[data-tool="mines"] .ybf26-panel{padding:12px;gap:10px}.ybf26[data-tool="mines"] .ybf26-title{font-size:24px}.ybf26[data-tool="mines"] .ybf26-board{gap:3px}.ybf26[data-tool="mines"] .ybf26-board button{font-size:16px;min-height:44px}}