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.settings-toggle-thumb{transform:translate(18px)}.font-size-group{gap:4px;display:flex}.font-size-btn{border:1.5px solid var(--border);width:36px;height:30px;color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:8px;font-family:inherit;font-size:.82rem;font-weight:500;transition:all .15s}.font-size-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.font-size-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}.bg-theme-grid{grid-template-columns:repeat(4,1fr);gap:6px;display:grid}.bg-theme-btn{cursor:pointer;border:2px solid #0000;border-radius:10px;justify-content:center;align-items:flex-end;height:52px;padding-bottom:5px;font-family:inherit;transition:transform .15s,border-color .15s;display:flex}.bg-theme-btn:hover{transform:scale(1.05)}.bg-theme-btn.active{transform:scale(1.05);border-color:var(--text-primary)!important}.bg-theme-name{color:#666;white-space:nowrap;font-size:.62rem}.notif-badge{border-radius:20px;padding:3px 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.15s}.line-settings-input:focus{border-color:var(--accent);outline:none}.line-settings-ok{color:#10b981;margin-top:10px;font-size:.82rem;font-weight:500}@media (width<=768px){.settings-panel{z-index:800;border-left:none;border-radius:0;width:100%;position:fixed;inset:0}}.line-test-btn{color:#fff;cursor:pointer;background:#06c755;border:none;border-radius:8px;width:100%;margin-top:8px;padding:8px;font-family:inherit;font-size:.85rem;font-weight:600}.line-test-btn:hover{background:#05a847}.pt-backdrop{z-index:300;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#000000a6;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.pt-modal{background:var(--bg-primary);border-radius:20px;flex-direction:column;align-items:center;width:340px;padding:0 0 16px;display:flex;overflow:hidden;box-shadow:0 12px 48px #00000059}.pt-head{border-bottom:1px solid var(--border);box-sizing:border-box;align-items:center;gap:8px;width:100%;padding:12px 16px;display:flex}.pt-title{flex:1;font-size:1rem;font-weight:700}.pt-score{color:var(--accent);font-size:1rem;font-weight:700}.pt-x{color:var(--text-muted);cursor:pointer;background:0 0;border:none;padding:4px;font-size:1rem}.pt-stage{background:linear-gradient(#87ceeb 0%,#b8dff8 55%,#c8e6c9 100%);border-radius:10px;width:300px;height:440px;margin:16px 0 12px;position:relative;overflow:hidden}.dark .pt-stage{background:linear-gradient(#0d1b2a 0%,#1a2d3d 55%,#1a2d1a 100%)}.pt-world{width:100%;position:absolute;top:0;left:0}.pt-piece{box-sizing:border-box;-webkit-user-select:none;user-select:none;border-radius:8px;justify-content:center;align-items:center;font-size:1.55rem;display:flex;position:absolute}.pt-gnd{background:linear-gradient(#8b5e3c 0%,#5d3a1a 100%);border:2px solid #3e2312;border-radius:6px}.pt-placed{background:#8b5a2bd1;border:2px solid #5a3714bf}.pt-cur{background:#b4783ce0;border:2px solid #dca050e6;animation:.5s ease-in-out infinite alternate pt-sway}@keyframes 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.15s}.pt-retry:hover{opacity:.85}.pt-btn{background:var(--accent);color:#fff;cursor:pointer;border:none;border-radius:12px;padding:12px 36px;font-family:inherit;font-size:1rem;font-weight:700;transition:opacity .15s,transform .1s}.pt-btn:hover{opacity:.88}.pt-btn:active{transform:scale(.96)}.pt-btn:disabled{opacity:.35;cursor:default}.pt-hint{color:var(--text-muted);margin-top:6px;font-size:.7rem}@media (width<=768px){.pt-modal{border-radius:20px 20px 0 0;width:100%;padding-bottom:28px}.pt-backdrop{align-items:flex-end}.pt-stage{width:100%;max-width:340px}.pt-btn{width:calc(100% - 32px);max-width:340px;padding:14px;font-size:1.1rem}}.app{--bg-primary:#fff;--bg-secondary:#f5f7fa;--bg-hover:#f0f2f5;--border:#e8eaed;--text-primary:#1a1a2e;--text-secondary:#5f6368;--text-muted:#9aa0a6;--accent:#4f87ee;--accent-hover:#3b73d9;--shadow:0 2px 8px #0000001a;background:var(--bg-primary);height:100dvh;color:var(--text-primary);flex-direction:column;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;display:flex;overflow:hidden}.app.dark{--bg-primary:#1a1d23;--bg-secondary:#22262f;--bg-hover:#2a2f3a;--border:#2e3340;--text-primary:#e8eaed;--text-secondary:#9aa0a6;--text-muted:#5f6368;--accent:#5c91f5;--accent-hover:#4a7de0;--shadow:0 2px 8px #0006}.topbar{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;height:60px;padding:0 20px;display:flex}.topbar-left{align-items:center;gap:16px;display:flex}.topbar-right{align-items:center;gap:12px;display:flex}.logo{align-items:center;gap:8px;display:flex}.logo-icon{font-size:1.4rem}.logo-text{color:var(--accent);letter-spacing:-.02em;font-size:1.1rem;font-weight:700}.today-btn{border:1.5px solid var(--border);color:var(--text-primary);cursor:pointer;background:0 0;border-radius:8px;padding:6px 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14px;font-family:inherit;font-size:.85rem;font-weight:500;transition:all .15s;display:flex}.notif-request-btn:hover{background:color-mix(in srgb, var(--accent) 10%, transparent)}.dark-toggle{background:var(--bg-secondary);cursor:pointer;border:none;border-radius:10px;justify-content:center;align-items:center;width:36px;height:36px;font-size:1rem;transition:background .15s;display:flex}.dark-toggle:hover{background:var(--bg-hover)}.settings-btn{background:var(--bg-secondary);cursor:pointer;border:none;border-radius:10px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:1.05rem;transition:background .15s;display:flex}.settings-btn:hover,.settings-btn.active{background:var(--bg-hover)}.app-body{flex:1;display:flex;overflow:hidden}.main-view{flex-direction:column;flex:1;display:flex;overflow:hidden}*{box-sizing:border-box}.hamburger-btn{cursor:pointer;width:36px;height:36px;color:var(--text-secondary);background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;font-size:1.2rem;transition:background .15s;display:none}.hamburger-btn:hover{background:var(--bg-hover)}.sidebar-overlay{display:none}@media (width<=768px){.hamburger-btn{display:flex}.sidebar-overlay{z-index:99;background:#00000059;display:block;position:fixed;inset:0}.topbar{flex-wrap:nowrap;gap:4px;height:50px;padding:0 10px}.topbar-left{flex-shrink:0;order:1;gap:4px;width:auto;padding-bottom:0}.topbar-right{border-top:none;flex-shrink:0;order:2;gap:4px;width:auto;margin-left:auto;padding:0}.logo,.today-btn{display:none}.header-label{flex-shrink:0;font-size:.9rem}.view-btn{padding:5px 10px;font-size:.82rem}.btn-label{display:none}.memory-toggle-btn{padding:6px 8px}.game-btn{display:none}.settings-btn{width:32px;height:32px}}.popup-backdrop{z-index:490;position:fixed;inset:0}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}