:root{font-family:system-ui,sans-serif;color:#222;background:#fafafa;--accent:#2b59ff;--line:#e3e3e3;--muted:#777}*{box-sizing:border-box}body{margin:0}button,input,textarea{font:inherit}button{cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;background:none;color:inherit}button:disabled{cursor:default}a{color:var(--accent);text-decoration:none}:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;border-bottom:1px solid var(--line);background:#fff}.brand{font-weight:700;font-size:18px;color:#222}.topbar nav{display:flex;gap:4px}.topbar nav a{padding:6px 12px;border-radius:6px;color:var(--muted);font-size:14px}.topbar nav a.active{background:#eef1ff;color:var(--accent)}.notice{padding:10px 20px;background:#eef1ff;font-size:14px;display:flex;justify-content:space-between;align-items:center}h1{font-size:24px;margin:0;overflow-wrap:anywhere}.play-layout{max-width:640px;margin:0 auto;padding:24px 16px}.game-toolbar{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}.toolbar-actions{display:flex;gap:4px;flex-shrink:0}.primary,.secondary{padding:9px 14px;border-radius:6px;font-size:14px;font-weight:600}.primary{background:var(--accent);color:#fff}.primary:disabled{opacity:.6}.secondary{background:#fff;border:1px solid var(--line)}.icon-button{width:36px;height:36px;border-radius:6px;color:var(--muted)}.icon-button:hover{background:#eee}.share-panel{background:#eef1ff;border-radius:8px;padding:12px;margin-bottom:16px}.share-panel[hidden]{display:none}.share-panel p{margin:0 0 8px;font-size:14px}.share-panel input{width:100%;padding:8px;border:1px solid var(--line);border-radius:6px}.cover{width:100%;height:140px;object-fit:cover;border-radius:8px;display:block;margin-bottom:16px}.bingo-grid{display:grid;gap:6px}.square{aspect-ratio:1;background:#fff;border:1px solid var(--line);border-radius:6px;padding:6px;font-size:12px;line-height:1.3;text-align:center;overflow-wrap:anywhere;flex-direction:column}.square:hover:not(:disabled){border-color:var(--accent)}.square.marked{background:#dfe6ff;border-color:var(--accent)}.square.winning{background:var(--accent);color:#fff}.square.free{background:#fff4e0;color:#a06a1f;font-size:11px}.size-3 .square{font-size:16px}.size-4 .square{font-size:14px}.game-status{display:flex;align-items:center;gap:6px;font-size:14px;color:var(--muted);margin:16px 0 0}.game-status.celebration{color:var(--accent);font-weight:700}.settings-layout{max-width:640px;margin:0 auto;padding:24px 16px}.back-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;margin-bottom:12px}.settings-heading h1{margin-bottom:8px}.settings-section{padding:20px 0;border-bottom:1px solid var(--line)}.section-label h2{font-size:16px;margin:0 0 4px}.section-label p{font-size:13px;color:var(--muted);margin:0 0 10px}.fields{display:flex;flex-direction:column;gap:8px}.fields>label,.fields legend,.label-row label{font-size:13px;font-weight:600}input:not([type]),input[type=text],textarea{width:100%;border:1px solid var(--line);border-radius:6px;padding:9px;background:#fff;font-size:14px}textarea{resize:vertical;min-height:150px}.upload-area{display:flex;align-items:center;gap:12px}.upload-area img{width:90px;height:70px;object-fit:cover;border-radius:6px}.upload-area p,.fields small{font-size:12px;color:var(--muted);margin:6px 0}.text-button{color:var(--accent);font-size:13px;padding:0}.fields fieldset{border:0;padding:0;margin:0}.fields legend{margin-bottom:8px}.size-options{display:flex;gap:8px}.size-options label{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px;border:1px solid var(--line);border-radius:6px;background:#fff;cursor:pointer;font-size:14px}.size-options label.selected{border-color:var(--accent);color:var(--accent)}.size-options input,.size-options svg{display:none}.size-options span{font-size:12px;color:var(--muted)}.checkbox-label{display:flex;gap:8px;align-items:start;font-size:14px}.checkbox-label span{display:flex;flex-direction:column}.checkbox-label strong{font-weight:500}.checkbox-label small{color:var(--muted);font-size:12px}.label-row{display:flex;justify-content:space-between}.count{font-size:12px;color:var(--accent)}.count.short{color:#b05a1a}.error{background:#fee;color:#a32c2c;padding:10px;border-radius:6px;font-size:14px}.save-bar{padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted);flex-wrap:wrap}.save-bar>div{display:flex;gap:8px}@media(max-width:420px){.primary{padding:8px 10px}.icon-button{width:30px}.square{font-size:10px;padding:3px}}@media print{.topbar,.notice,.toolbar-actions,.share-panel,.game-status{display:none!important}.play-layout{max-width:none}.square{font-size:12px}}