.square{all:unset;aspect-ratio:1;border:var(--cell-border,1px) solid #ffffff14;color:#e2e8f0;cursor:pointer;-webkit-user-select:none;user-select:none;background:#0f172a;border-radius:0;justify-content:center;align-items:center;width:100%;min-width:0;height:100%;min-height:0;font-size:clamp(1rem,1.8vw,1.15rem);font-weight:700;transition:background-color 80ms,box-shadow 80ms;display:inline-flex;box-shadow:inset 0 -1px #ffffff0f,0 10px 24px #00000014}.square:hover{transform:translateY(-1px)}.square:active{transform:translateY(0)}.square--visible{box-shadow:inset 0 0 0 1px #ffffff14,inset 0 2px 8px #ffffff0f,0 12px 28px #00000024}.square--active{outline-offset:2px;outline:2px solid #14b8a6f2}.board-wrapper{flex:1;justify-content:center;align-items:center;width:100%;height:100%;min-height:0;padding:.5rem 0;display:flex}.board{gap:var(--cell-gap,6px);background:var(--color-primary-soft);border:1px solid var(--color-border);box-sizing:border-box;border-radius:1.35rem;width:fit-content;max-width:calc(100vw - 2rem);max-height:calc(100vh - 7rem);padding:14px;display:grid;box-shadow:inset 0 0 0 1px #ffffff0d,0 24px 48px #0000002e}@media (width<=520px){.board-wrapper{padding:.25rem .35rem}.board{max-width:calc(100vw - 1.2rem);max-height:calc(100vh - 8.4rem);padding:12px}}.board--hidden{visibility:hidden;opacity:0}.board--visible{visibility:visible;opacity:1}.header-bar{border:1px solid var(--color-border);background:#0f172ae6;border-radius:1.5rem;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;width:100%;padding:1rem 1.1rem;display:flex;box-shadow:0 18px 40px #00000029}.header-bar__button,.header-bar__status{align-items:center;gap:.5rem;display:inline-flex}.header-bar__button{color:#fff;letter-spacing:.01em;background:#ffffff12;border-radius:999px;padding:.7rem .95rem;font-weight:600}.header-bar__button:hover{background:var(--color-primary-soft)}.header-bar__flag{color:#fff;background:#ffffff14;border-radius:999px;padding:.7rem .85rem}.header-bar__flag span{font-size:1.15rem;font-weight:700}@media (width<=720px){.header-bar{flex-wrap:nowrap;justify-content:space-between;gap:.6rem;padding:.75rem .9rem}.header-bar__button,.header-bar__flag,.header-bar__action-group{flex:0 auto;min-width:0}.header-bar__button,.header-bar__flag{white-space:nowrap}.header-bar__action-group{justify-content:flex-end;align-items:center;gap:.35rem;display:inline-flex}}@media (width<=520px){.header-bar{flex-wrap:nowrap;justify-content:space-between;gap:.5rem}.header-bar__button,.header-bar__flag,.header-bar__action-group{flex:0 auto;min-width:0}.header-bar__button,.header-bar__flag{justify-content:center}.header-bar__action-group{justify-content:center;width:auto}}:root{--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--color-primary:#14b8a6;--color-primary-soft:#14b8a61f;--color-primary-glow:#14b8a63d;--color-primary-strong:#0f8280;--color-surface:#0f172a;--color-surface-strong:#111827;--color-surface-soft:#0f172ad9;--color-card:#0f172aeb;--color-border:#14b8a62e;--color-text:#f8fafc;--radius-lg:1.5rem;--radius-xl:2rem}*,:before,:after{box-sizing:border-box}html{min-height:100%;font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}body{background:radial-gradient(circle at top, var(--color-primary-glow), transparent 25%), #08101a;min-height:100vh;color:var(--color-text);margin:0;overflow-x:hidden}#root{min-height:100vh}.app-shell{justify-content:center;align-items:center;width:100%;min-height:100vh;padding:1rem .75rem;display:flex}.app-container{border-radius:var(--radius-xl);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:linear-gradient(#0f172af5,#0f172aeb);border:1px solid #ffffff0f;flex-direction:column;gap:1rem;width:min(100%,100vw - 2rem);max-width:none;min-height:0;max-height:calc(100vh - 2rem);padding:1rem;display:flex;overflow:visible;box-shadow:0 28px 80px #00000059}@media (width<=720px){.app-shell{padding:.9rem .65rem}.app-container{border-radius:1.5rem;padding:.95rem}}