.board-scroll{overflow-x:auto;width:100%;-webkit-overflow-scrolling:touch}.board-container{background:var(--board-bg);padding:20px;border-radius:12px;margin:0 auto;width:640px;box-shadow:0 0 0 1px #0003,0 12px 40px #00000080;transition:filter .3s}.board-container.opponent-turn{filter:brightness(.55)}.board{display:grid;grid-template-columns:repeat(15,40px);grid-template-rows:repeat(15,40px);width:600px;background-image:linear-gradient(to right,var(--board-line) 1px,transparent 1px),linear-gradient(to bottom,var(--board-line) 1px,transparent 1px);background-size:40px 40px;background-position:20px 20px}.cell{width:40px;height:40px;display:flex;align-items:center;justify-content:center;cursor:default}.cell.clickable{cursor:pointer}@media (hover: hover){.cell.clickable:hover .stone-preview{display:block}}.stone-preview{display:none;width:34px;height:34px;border-radius:50%;background:rgba(167,139,250,.35);border:2px dashed var(--accent)}.stone-preview.visible{display:block}.stone{width:34px;height:34px;border-radius:50%;position:relative}.stone.last-move:after{content:"";position:absolute;width:30%;height:30%;border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%)}.stone.black.last-move:after{background:rgba(255,255,255,.65)}.stone.white.last-move:after{background:rgba(0,0,0,.35)}.stone.black{background:radial-gradient(circle at 33% 33%,#52525b,#09090b);box-shadow:2px 3px 6px #0009}.stone.white{background:radial-gradient(circle at 33% 33%,#ffffff,#d4d4d8);box-shadow:2px 3px 6px #0000004d}.reversi-board-container{background:#1a6b2a;padding:20px;border-radius:12px;margin:0 auto;width:fit-content;box-shadow:0 0 0 1px #0000004d,0 12px 40px #00000080;transition:filter .3s}.reversi-board-container.opponent-turn{filter:brightness(.55)}.reversi-board{display:grid;grid-template-columns:repeat(8,60px);grid-template-rows:repeat(8,60px);gap:2px;background:#0d4a1a}.reversi-cell{width:60px;height:60px;background:#1a7a2e;display:flex;align-items:center;justify-content:center;cursor:default;transition:background .1s}.reversi-cell.clickable{cursor:pointer}.reversi-cell.clickable:hover{background:#238c38}.reversi-stone{width:46px;height:46px;border-radius:50%;position:relative}.reversi-stone.black{background:radial-gradient(circle at 33% 33%,#52525b,#09090b);box-shadow:2px 3px 6px #0009}.reversi-stone.white{background:radial-gradient(circle at 33% 33%,#ffffff,#d4d4d8);box-shadow:2px 3px 6px #0000004d}.reversi-stone.black.last-move:after{content:"";position:absolute;width:30%;height:30%;border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(255,255,255,.65)}.reversi-stone.white.last-move:after{content:"";position:absolute;width:30%;height:30%;border-radius:50%;top:50%;left:50%;transform:translate(-50%,-50%);background:rgba(0,0,0,.35)}.legal-hint{width:18px;height:18px;border-radius:50%;background:rgba(0,0,0,.3);pointer-events:none}.reversi-final-score{display:flex;gap:24px}.score-item{display:flex;align-items:center;gap:8px;font-size:1.2rem;font-weight:700}.score-dot{width:14px;height:14px;border-radius:50%;flex-shrink:0}.score-dot.black{background:#09090b;border:1px solid rgba(255,255,255,.25)}.score-dot.white{background:#f4f4f5;border:1px solid rgba(0,0,0,.2)}.baseball-container{display:flex;flex-direction:column;gap:16px;width:100%;max-width:440px}.baseball-history{overflow-y:auto;max-height:min(420px,calc(100dvh - 320px));display:flex;flex-direction:column}.baseball-empty{color:var(--text-muted);font-size:.85rem;text-align:center;padding:24px 0}.baseball-turn{font-size:.7rem;color:var(--text-muted);width:20px;flex-shrink:0;opacity:.5}.baseball-who{font-size:.8rem;font-weight:600;color:var(--text-muted);width:34px;flex-shrink:0}.baseball-entry.mine .baseball-who{color:var(--accent)}.baseball-guess{font-size:1.3rem;font-weight:800;letter-spacing:4px;color:var(--text);flex:1}.baseball-result{font-size:.85rem;font-weight:600;color:var(--accent);flex-shrink:0;min-width:60px;text-align:right}.baseball-result.out{color:var(--text-muted)}.baseball-entry.win{background:none}.baseball-entry.win .baseball-result{color:var(--accent);font-weight:700}.baseball-entry{display:flex;align-items:center;gap:16px;padding:11px 0;border-bottom:1px solid var(--border);font-size:.9rem;animation:entryIn .18s ease}.baseball-entry:last-child{border-bottom:none}.baseball-input{flex-shrink:0;border-top:1px solid var(--border);padding:16px 0 max(20px,env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:12px}.baseball-digit-wrapper{position:relative}@keyframes digitShake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.baseball-digit-row{display:flex;justify-content:center;gap:12px}.baseball-digit-row.reject{animation:digitShake .28s ease}.baseball-digit-row.reject .baseball-digit-box:not(.filled){border-color:var(--danger);border-style:solid;color:var(--danger)}.baseball-digit-box{width:64px;height:72px;border:2px solid var(--border);border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:2rem;font-weight:800;color:var(--text);transition:border-color .15s,color .15s}.baseball-digit-box.next{border-color:var(--accent);border-style:dashed}.baseball-digit-box.filled{border-color:var(--accent);color:var(--accent)}.baseball-ghost-input{position:absolute;top:0;left:0;width:100%;height:100%;opacity:0;cursor:pointer;font-size:16px}.baseball-timer{flex-shrink:0;text-align:center;font-size:1.4rem;font-weight:600;color:var(--text-muted);padding:8px 0 4px;transition:color .2s}.baseball-timer.urgent{color:#e53e3e}.baseball-waiting{flex-shrink:0;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:center;min-height:80px;padding-bottom:max(20px,env(safe-area-inset-bottom));color:var(--text-muted);font-size:.9rem}@media (max-height: 500px){.baseball-digit-box{width:52px;height:58px;font-size:1.6rem}.game-body--top .baseball-history{min-height:80px}}.baseball-secret{display:flex;flex-direction:column;align-items:center;gap:4px}.baseball-secret-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.baseball-secret-number{font-size:2rem;font-weight:800;letter-spacing:12px;color:var(--accent)}.game-body--top .baseball-container{flex:1;min-height:0}.game-body--top .baseball-history{flex:1;min-height:0;max-height:none;overflow-y:auto}.blackwhite-container{display:flex;flex-direction:column;gap:14px;width:100%;max-width:440px}.blackwhite-history{overflow-y:auto;max-height:min(260px,calc(100dvh - 440px));display:flex;flex-direction:column}.bw-empty{display:flex;flex-direction:column;align-items:center;gap:10px;padding:24px 0}.bw-empty-rule{color:var(--text-muted);font-size:.85rem}.bw-round-entry{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--border);animation:entryIn .18s ease}.bw-round-entry:last-child{border-bottom:none}.bw-round-entry--pending{opacity:.55}.bw-chip-placeholder{width:26px;height:36px;border-radius:5px;border:1px dashed var(--border);flex-shrink:0}.bw-round-num{font-size:.7rem;color:var(--text-muted);width:20px;flex-shrink:0;opacity:.5}.bw-tiles-played{display:flex;align-items:center;gap:8px;flex:1}.bw-vs{font-size:.7rem;color:var(--text-muted)}.bw-chip{display:inline-flex;align-items:center;justify-content:center;font-weight:900;line-height:1;flex-shrink:0;-webkit-user-select:none;user-select:none}.bw-chip--sm{width:26px;height:36px;border-radius:5px;font-size:.9rem}.bw-chip--lg{width:46px;height:62px;border-radius:9px;font-size:1.5rem}.bw-chip--dark{background:#111;color:#f0f0f0;box-shadow:0 2px 5px #00000080}.bw-chip--light{background:#ececec;color:#111;box-shadow:0 2px 5px #0000002e}.bw-chip--hidden{font-size:1rem;opacity:.9}.bw-chip--sm.bw-chip--hidden{font-size:.75rem}.bw-round-result{font-size:.8rem;font-weight:600;flex-shrink:0;min-width:36px;text-align:right}.bw-round-result.win{color:var(--accent)}.bw-round-result.lose,.bw-round-result.draw{color:var(--text-muted)}.blackwhite-controls{flex-shrink:0;border-top:1px solid var(--border);padding:14px 0 max(20px,env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:16px}.bw-status{text-align:center;font-size:.85rem;color:var(--text-muted);min-height:18px}.bw-status--active{color:var(--accent);font-weight:600}.bw-tiles-grid{display:flex;flex-direction:column;gap:7px;align-items:center}.bw-tiles-row{display:flex;gap:7px}.bw-tile-btn{width:46px;aspect-ratio:3 / 4;border:none;border-radius:4px;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:1.4rem;font-weight:900;transition:transform .14s ease,box-shadow .14s ease;-webkit-tap-highlight-color:transparent;outline:none;flex-shrink:0}.bw-tile-btn--dark{background:#111;color:#f0f0f0}.bw-tile-btn--light{background:#ececec;color:#111}.bw-tile-btn:not(:disabled):not(.bw-tile-btn--used):hover{transform:translateY(-4px)}.bw-tile-btn--selected{transform:translateY(-6px)!important}.bw-tile-btn--selected.bw-tile-btn--dark,.bw-tile-btn--selected.bw-tile-btn--light{box-shadow:0 0 0 2px var(--accent)!important}.bw-tile-btn--used{opacity:.13;cursor:not-allowed;pointer-events:none;transform:none!important;box-shadow:none!important}.bw-tile-btn:disabled:not(.bw-tile-btn--used){cursor:not-allowed;opacity:.38}.bw-submit-btn{align-self:center;min-width:120px;padding:12px 32px;font-size:1rem;font-weight:700;border-radius:10px;background:var(--accent);color:var(--accent-fg);border:none;cursor:pointer;transition:background .15s,opacity .15s}.bw-submit-btn:disabled{opacity:.35;cursor:not-allowed}.bw-submit-btn:not(:disabled):hover{background:var(--accent-hover)}.bw-final-scores{display:flex;align-items:center;gap:16px;margin:8px 0 4px}.bw-final-score-item{display:flex;flex-direction:column;align-items:center;gap:4px}.bw-score-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.bw-score-value{font-size:2rem;font-weight:800;color:var(--text-muted)}.bw-final-score-item.mine .bw-score-value{color:var(--accent)}.bw-score-sep{font-size:1.5rem;font-weight:800;color:var(--border);padding-top:18px}.home{display:flex;flex-direction:column;justify-content:space-between;min-height:100vh;min-height:100dvh;padding:40px 24px;width:100%;max-width:560px;margin:0 auto}.home-top{display:flex;flex-direction:column;gap:12px;width:100%}.back-button{position:fixed;top:24px;left:24px;width:auto;padding:8px 14px;background:transparent;border:1px solid var(--border);border-radius:8px;font-size:.85rem;font-weight:500;color:var(--text-muted)}.back-button:hover{background:var(--surface);color:var(--text)}.menu-list{list-style:none;width:100%;display:flex;flex-direction:column;gap:8px}.menu-item{display:flex;align-items:center;justify-content:center;width:100%;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:12px;font-size:1rem;font-weight:600;color:var(--text);cursor:pointer;transition:background .15s,border-color .15s}.menu-item:hover{background:var(--surface-hover);border-color:var(--accent);color:var(--text)}.menu-item:active{transform:scale(.99)}.menu-item-secondary{background:transparent;color:var(--text-muted);font-weight:500}.menu-item-secondary:hover{background:var(--surface-hover);border-color:var(--text-muted);color:var(--text)}.menu-item.unavailable{opacity:.4;cursor:not-allowed}.menu-item.unavailable:hover{background:var(--surface);border-color:var(--border)}.room-code-display{display:flex;flex-direction:column;align-items:center;gap:4px;padding:12px 20px;background:var(--surface-hover);border-radius:10px;width:100%;cursor:pointer}.room-code-display:hover .room-code{color:var(--accent-hover)}.room-code-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px}.room-code{font-size:1.8rem;font-weight:800;letter-spacing:10px;color:var(--accent)}.room-code-hint{font-size:.75rem;color:var(--text-muted)}.game{display:flex;flex-direction:column;align-items:center;min-height:100vh;min-height:100dvh}.game--fixed{height:100vh;height:100dvh;overflow:hidden}.game-info{position:sticky;top:0;z-index:10;width:100%;background:var(--bg);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:12px 20px}.game-body{flex:1;min-height:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:20px;width:100%}.game-body--top{justify-content:flex-start;overflow:hidden;padding-bottom:0}.player-slots{display:flex;border-radius:10px;overflow:hidden;border:1px solid var(--border)}.player-slot{padding:7px 16px;font-size:.85rem;font-weight:600;background:var(--surface);color:var(--text-muted);transition:background .2s,color .2s}.player-slot:first-child{border-right:1px solid var(--border)}.player-slot.active{background:#f4f4f5;color:#09090b}.game-notices{display:flex;flex-wrap:wrap;gap:8px}.disconnect-notice{font-size:.8rem;color:var(--danger);padding:4px 10px;background:rgba(248,113,113,.1);border-radius:6px}.game-waiting{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;height:100vh;height:100dvh;font-size:1.1rem;color:var(--text-muted)}.btn-quit{width:auto;padding:8px 20px;background:transparent;border:1px solid var(--border);border-radius:8px;font-size:.85rem;font-weight:500;color:var(--text-muted)}.btn-quit:hover{background:rgba(248,113,113,.1);border-color:var(--danger);color:var(--danger)}.btn-cancel{width:auto;padding:8px 20px;background:transparent;border:1px solid var(--border);border-radius:8px;font-size:.85rem;font-weight:500;color:var(--text-muted)}.btn-cancel:hover{background:var(--surface);color:var(--text)}.quit-confirm-buttons{display:flex;gap:8px}:root{--bg: #1a1a2e;--surface: #24243e;--surface-hover: #2e2e50;--border: #3a3a5c;--accent: #a78bfa;--accent-hover: #c4b5fd;--accent-fg: #09090b;--text: #f4f4f5;--text-muted: #9090b0;--danger: #f87171;--board-bg: #c9a96e;--board-line: #8a6a3a}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;min-height:100dvh}@keyframes entryIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}button{padding:10px 28px;background:var(--accent);color:var(--accent-fg);border:none;border-radius:10px;font-size:.9rem;font-weight:700;cursor:pointer;transition:background .15s,transform .1s;width:100%;touch-action:manipulation;-webkit-tap-highlight-color:transparent}button:hover{background:var(--accent-hover)}button:active{transform:scale(.98)}input{padding:10px 16px;border:1px solid var(--border);border-radius:10px;background:var(--bg);color:var(--text);font-size:1.1rem;text-align:center;letter-spacing:6px;width:100%;outline:none;transition:border-color .15s;touch-action:manipulation}input:focus{border-color:var(--accent)}input::placeholder{letter-spacing:2px;color:var(--text-muted);font-size:.9rem}.error{color:var(--danger);font-size:.875rem}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:rgba(0,0,0,.8);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100}.modal{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:40px 36px;display:flex;flex-direction:column;align-items:center;gap:24px;box-shadow:0 24px 64px #0009;width:min(400px,calc(100vw - 48px))}.modal-waiting{font-size:.85rem;color:var(--text-muted)}.modal-cancel{background:transparent;border:1px solid var(--border);color:var(--text-muted);font-weight:500}.modal-cancel:hover{background:var(--surface-hover);border-color:var(--text-muted)}.game-over-subtitle{font-size:.8rem;font-weight:500;color:var(--text-muted);letter-spacing:2px;text-transform:uppercase}.modal h2{font-size:2rem;font-weight:800;background:linear-gradient(135deg,var(--accent),var(--accent-hover));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.rematch-waiting{font-size:.85rem;color:var(--text-muted)}.rematch-request{display:flex;flex-direction:column;align-items:center;gap:12px}.rematch-request-label{font-size:.85rem;color:var(--text-muted)}.rematch-buttons{display:flex;gap:8px;width:100%}.rematch-buttons button{flex:1;padding:10px 16px}