:root{--bg: #ffffff;--fg: #111827;--muted: #6b7280;--card-bg: #ffffff;--elev: #f9fafb;--border: #e5e7eb;--accent: #111827;--accent-contrast: #ffffff;--success-bg: #f0fdf4;--success-fg: #166534;--success-border: #bbf7d0;--menu-space: 120px}@media (prefers-color-scheme: dark){:root{--bg: #0b1020;--fg: #e5e7eb;--muted: #9ca3af;--card-bg: #111827;--elev: #0f172a;--border: #374151;--accent: #e5e7eb;--accent-contrast: #111827;--success-bg: #052e1a;--success-fg: #86efac;--success-border: #14532d}}[data-theme=light]{--bg: #ffffff;--fg: #111827;--muted: #6b7280;--card-bg: #ffffff;--elev: #f9fafb;--border: #e5e7eb;--accent: #111827;--accent-contrast: #ffffff;--success-bg: #f0fdf4;--success-fg: #166534;--success-border: #bbf7d0}[data-theme=light] .mini-card .symbols svg{width:30px;height:30px}[data-theme=dark]{--bg: #0b1020;--fg: #e5e7eb;--muted: #9ca3af;--card-bg: #111827;--elev: #0f172a;--border: #374151;--accent: #e5e7eb;--accent-contrast: #111827;--success-bg: #052e1a;--success-fg: #86efac;--success-border: #14532d}.found-gallery{display:flex;flex-direction:column;gap:8px;margin-top:8px}.set-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.mini-card{border:1px solid var(--border);border-radius:8px;background:var(--card-bg);padding:6px;display:grid;place-items:center;min-height:56px}.mini-card .symbols{display:flex;align-items:center;justify-content:center;gap:4px}.mini-card .symbols svg{width:34px;height:34px;max-width:100%;max-height:100%}html,body{background:var(--bg);color:var(--fg)}body.theme-vars .overlay{background:color-mix(in srgb,var(--bg) 40%,transparent)}body.theme-vars .overlay-card{background:var(--card-bg);border:1px solid var(--border)}body.theme-vars .overlay-date{color:var(--muted)}body.theme-vars .overlay-btn{background:var(--accent);color:var(--accent-contrast)}.theme-toggle{position:fixed;top:12px;right:12px;z-index:1100}.theme-toggle button{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--border);background:var(--card-bg);color:var(--fg);cursor:pointer;transition:transform .18s ease,background .18s ease,border-color .18s ease;box-shadow:0 6px 16px #00000026}.theme-toggle button:focus{outline:2px solid var(--accent);outline-offset:2px}.theme-toggle button:hover{transform:translateY(-1px)}.theme-toggle svg{width:20px;height:20px;transition:transform .22s ease,opacity .22s ease}.theme-toggle .icon-enter{transform:rotate(-15deg) scale(.85);opacity:.6}.theme-toggle .icon-active{transform:rotate(0) scale(1);opacity:1}.theme-toggle .icon-wrap{position:relative;width:20px;height:20px}.theme-toggle .icon-layer{position:absolute;inset:0}.theme-toggle .icon-layer.show{display:block}.theme-toggle .icon-layer.hide{display:none}.menu-tab{position:fixed;top:12px;right:12px;z-index:1100}.menu-inner{display:inline-flex;align-items:center;gap:8px;padding:6px;border-radius:999px;background:var(--card-bg);border:1px solid var(--border);box-shadow:0 6px 16px #00000026}.menu-item{display:inline-flex}.menu-item .theme-toggle{position:static}.menu-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:999px;border:1px solid var(--border);background:var(--card-bg);color:var(--fg);cursor:pointer;transition:transform .18s ease,background .18s ease,border-color .18s ease}.menu-btn:hover{transform:translateY(-1px)}.menu-btn:focus{outline:2px solid var(--accent);outline-offset:2px}.menu-btn svg{width:20px;height:20px}.modal-overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--bg) 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brightness(.98);opacity:.7;cursor:not-allowed;pointer-events:none;transition:filter .15s ease,opacity .15s ease}.board.prestart .card:focus{outline:none}.board.prestart .card .symbols{display:none!important}.board.prestart .card:after{content:"";position:absolute;inset:8px;border-radius:8px;background:linear-gradient(90deg,#e5e7eb,#f3f4f6,#e5e7eb);background-size:200% 100%;animation:shimmer 1.2s ease-in-out infinite;pointer-events:none}.card.cleared{position:relative;background:linear-gradient(180deg,#f3f4f6,#e5e7eb);border:2px solid #d1d5db;transition:background .2s ease,border-color .2s ease}.card.cleared .symbols{opacity:0;transform:scale(.9);transition:opacity .2s ease,transform .2s ease}.card.cleared:after{content:"";position:absolute;inset:8px;border-radius:6px;background:repeating-linear-gradient(45deg,#e5e7eb,#e5e7eb 6px,#f3f4f6 6px 12px);box-shadow:inset 0 0 0 2px 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