:root{--bg: #0f1318;--panel: #151c24;--panel-soft: #1a2230;--border: #2a3546;--text: #e8edf5;--muted: #9eb0c9;--accent: #d54658;--accent-strong: #be3445;--ok: #2f8f63;--warn: #b85d3a;--shadow: 0 16px 30px -24px rgba(0, 0, 0, .75)}*{box-sizing:border-box}html,body{margin:0;padding:0;background:radial-gradient(circle at 10% 0%,rgba(213,70,88,.18),transparent 32%),var(--bg);color:var(--text);font-family:Inter,Segoe UI,sans-serif}body{min-height:100vh}.shell{width:min(1180px,100%);margin:0 auto;padding:12px;display:grid;gap:10px}.panel{border:1px solid var(--border);border-radius:14px;background:linear-gradient(180deg,var(--panel),var(--panel-soft));box-shadow:var(--shadow);padding:12px}.header{display:flex;align-items:center;justify-content:space-between;gap:12px}h1,h2,h3,p{margin:0}h1{font-size:clamp(1.15rem,2vw,1.6rem)}h2{font-size:.95rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted);margin-bottom:8px}h3{font-size:.86rem;color:var(--muted);margin-bottom:8px}.header p{margin-top:4px;color:var(--muted);font-size:.9rem}.badge{min-height:28px;display:inline-flex;align-items:center;border-radius:999px;border:1px solid var(--border);padding:2px 10px;font-size:.78rem;font-weight:700}.badge.ok{border-color:#2f8f63a6;color:#86dab3}.badge.warn{border-color:#b85d3aa6;color:#f4b89e}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.field-grid.compact{grid-template-columns:repeat(3,minmax(0,1fr))}label{display:grid;gap:6px;color:var(--muted);font-size:.8rem}input,select,button{min-height:44px;border-radius:10px;border:1px solid var(--border);background:#121922;color:var(--text);font:inherit;padding:0 10px}button{cursor:pointer;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}button:hover{border-color:#43556f}button.primary{border-color:var(--accent);background:var(--accent);color:#fff}button.primary:hover{border-color:var(--accent-strong);background:var(--accent-strong)}button.ghost{background:transparent;color:var(--muted)}.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}.create-join{margin-top:10px;display:grid;grid-template-columns:1fr 1fr;gap:8px}.create,.join{border:1px solid var(--border);border-radius:12px;padding:10px;background:#0d111766}.game-meta{display:grid;gap:8px}.meta-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;font-size:.85rem}.meta-row>div{border:1px solid var(--border);border-radius:10px;padding:8px;background:#0c111980}.board-wrap .section-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px;margin-bottom:8px}#statusLine{color:var(--muted);font-size:.85rem}.piece-toolbar{margin-bottom:8px;border:1px solid var(--border);border-radius:10px;padding:8px;background:#0c11197a}.piece-toolbar-head{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:.78rem;color:var(--muted);margin-bottom:8px}.piece-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:6px}.piece-btn{min-height:74px;border:1px solid var(--border);border-radius:10px;padding:8px;display:grid;grid-template-columns:auto 1fr;grid-template-rows:auto auto;gap:2px 8px;align-items:center;text-align:left;background:#101722d9}.piece-btn.active{border-color:var(--accent);box-shadow:inset 0 0 0 1px #d5465859}.piece-mini{--w: 1;--h: 1;grid-row:1 / span 2;display:grid;grid-template-columns:repeat(var(--w),8px);grid-template-rows:repeat(var(--h),8px);gap:2px;min-width:calc(var(--w) * 8px + (var(--w) - 1) * 2px)}.mini-cell{width:8px;height:8px;border-radius:2px}.mini-cell.on{background:var(--accent)}.mini-cell.off{background:#54678447}.piece-name{font-size:.74rem;font-weight:700;color:var(--text)}.piece-size{font-size:.68rem;color:var(--muted)}.board{--size: 10;display:grid;grid-template-columns:repeat(var(--size),minmax(0,1fr));gap:4px;padding:6px;border-radius:12px;border:1px solid var(--border);background:#0d1219}.cell{aspect-ratio:1 / 1;min-height:28px;border-radius:7px;border:1px solid #1f2a39;background:#111825;padding:0}.cell.playable{border-color:#355074;background:#172437}.cell.playable:hover{filter:brightness(1.2)}.cell.preview-valid{border-color:#3c9561e0;box-shadow:inset 0 0 0 2px #3c956180}.cell.preview-invalid{border-color:#b85d3ae0;box-shadow:inset 0 0 0 2px #b85d3a73}.c1,.dot.c1{background:#d54658}.c2,.dot.c2{background:#3d7fe1}.c3,.dot.c3{background:#3da86f}.c4,.dot.c4{background:#d6a742}.dot{width:12px;height:12px;border-radius:999px;display:inline-block}.flash-explode{animation:explode .34s ease}.flash-diagonal{animation:diagonal .42s ease}.flash-clear{animation:clearline .3s ease}.flash-place{animation:placepop .22s ease}.locked{box-shadow:inset 0 0 0 2px #ffffff70}@keyframes explode{0%{transform:scale(1);box-shadow:0 0 #ff6f6fb3}50%{transform:scale(.9);box-shadow:0 0 14px #ff6f6fe6}to{transform:scale(1)}}@keyframes diagonal{0%{filter:brightness(1)}50%{filter:brightness(1.7)}to{filter:brightness(1)}}@keyframes clearline{0%{opacity:1}50%{opacity:.2}to{opacity:1}}@keyframes placepop{0%{transform:scale(.88)}to{transform:scale(1)}}.score-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:8px}.score-card{border:1px solid var(--border);border-radius:10px;padding:10px;background:#0c11198c;display:grid;gap:8px}.score-card.is-turn{border-color:var(--accent)}.score-head{display:flex;align-items:center;gap:8px}.score-meta{display:grid;gap:2px;font-size:.78rem;color:var(--muted)}.score-value{font-size:1.2rem;font-weight:800}.rule-note{margin-top:8px;font-size:.8rem;color:var(--muted)}.event-log{list-style:none;margin:0;padding:0;display:grid;gap:6px;max-height:240px;overflow:auto}.event-log li{border:1px solid var(--border);border-radius:10px;padding:8px;font-size:.8rem;color:#d4dfef;background:#0d141e80}.empty{color:var(--muted)}@media(max-width:900px){.field-grid,.field-grid.compact,.create-join,.meta-row{grid-template-columns:1fr}.board{gap:3px}}