:root{--lightningcss-light: ;--lightningcss-dark:initial;--lightningcss-light: ;--lightningcss-dark:initial;color-scheme:dark;--transition-ui:transform var(--t-fast) var(--bezier), opacity var(--t-fast) var(--bezier), background-color var(--t-fast) var(--bezier), background var(--t-fast) var(--bezier), box-shadow var(--t-fast) var(--bezier), border-color var(--t-fast) var(--bezier), color var(--t-fast) var(--bezier), filter var(--t-fast) var(--bezier);--bg-0:#080b16;--bg-1:#0d1224;--card:color-mix(in srgb, var(--glass) 50%, transparent);--stroke:color-mix(in srgb, var(--primary) 15%, transparent);--glass:#121932;--panel:#161e3c;--neutral:#78c8ff;--surface-overlay:#040810bf;--txt-1:#e6f1ff;--txt-2:#a8c1ff;--muted:#7d8db3;--primary:#00e5ff;--primary-2:#3b82f6;--accent:#9d4dff;--danger:#ff5c93;--success:#31e28a;--warning:#ffd166;--glow-soft:0 0 10px #00e5ff59, 0 0 24px #3b82f640;--glow-strong:0 0 12px #00e5ff99, 0 0 32px #3b82f680, 0 0 64px #9d4dff59;--inner-glow:inset 0 0 16px #00e5ff40;--shadow-card:0 8px 32px #00000059;--blur:12px;--radius-xs:8px;--radius-sm:12px;--radius-md:25px;--radius-lg:20px;--radius-pill:999px;--t-fast:80ms;--t-mid:.16s;--t-slow:.24s;--bezier:cubic-bezier(.2, .8, .2, 1);--bd-1:1px solid color-mix(in srgb, var(--primary) 18%, transparent);--bd-2:1px solid color-mix(in srgb, var(--primary) 28%, transparent);--metallic-from:#6ec8ff;--metallic-via:#3a8fd4;--metallic-to:#1e5a8a;--metallic-shadow:#64b4ff33;--grid-cells:9;--grid-line-color:color-mix(in srgb, var(--primary) 22%, transparent);--grid-line-color-strong:color-mix(in srgb, var(--primary-2) 35%, transparent);--fx-blur:var(--blur);--fx-glow:var(--glow-soft);--fx-glow-strong:var(--glow-strong);--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:20px;--space-6:24px;--tap-min:44px;--chip-min:36px;--fs-display:24px;--fs-title:16px;--fs-value:18px;--fs-body:13px;--fs-caption:11px;--elev-rest:var(--shadow-card), inset 0 0 0 1px #ffffff05;--elev-hover:0 8px 28px #00000057, 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32px #10b98180, 0 0 64px #05966959}body[data-game-mode=survival]{--primary:#f43f5e;--primary-2:#ef4444;--accent:#dc2626;--glow-soft:0 0 10px #f43f5e59, 0 0 24px #ef444440;--glow-strong:0 0 12px #f43f5e99, 0 0 32px #ef444480, 0 0 64px #dc262659}body[data-game-mode=leadball_countdown]{--primary:#a855f7;--primary-2:#6366f1;--accent:#8b5cf6;--glow-soft:0 0 10px #a855f759, 0 0 24px #6366f140;--glow-strong:0 0 12px #a855f799, 0 0 32px #6366f180, 0 0 64px #8b5cf659}body[data-game-mode=frozen]{--primary:#93c5fd;--primary-2:#3b82f6;--accent:#2563eb;--glow-soft:0 0 10px #93c5fd59, 0 0 24px #3b82f640;--glow-strong:0 0 12px #93c5fd99, 0 0 32px #3b82f680, 0 0 64px #2563e659}body[data-game-mode=gas]{--primary:#a3e635;--primary-2:#84cc16;--accent:#65a30d;--glow-soft:0 0 10px #a3e63559, 0 0 24px #84cc1640;--glow-strong:0 0 12px #a3e63599, 0 0 32px #84cc1680, 0 0 64px #65a30d59}body[data-game-mode=goldrush]{--primary:#fbbf24;--primary-2:#f59e0b;--accent:#d97706;--glow-soft:0 0 10px #fbbf2459, 0 0 24px #f59e0b40;--glow-strong:0 0 12px #fbbf2499, 0 0 32px #f59e0b80, 0 0 64px #d9770659}body[data-fx=low]{--fx-blur:0px;--fx-glow:none;--fx-glow-strong:none}body[data-fx=low] .glass,body[data-fx=low] .glass-card{-webkit-backdrop-filter:none!important;background:#0a0f1ef5!important}body[data-fx=high]{--fx-blur:16px;--fx-glow:0 0 12px #00e5ff80, 0 0 28px #3b82f673;--fx-glow-strong:0 0 16px #00e5ffbf, 0 0 40px #3b82f699, 0 0 72px #9d4dff80}body[data-device-class=mobile]{--fx-blur:6px}body[data-device-class=mobile] .pause-overlay,body[data-device-class=mobile] .fps-counter,body[data-device-class=mobile] .perf-notification,body[data-device-class=mobile] .bottom-nav,body[data-device-class=mobile] .auto-save-indicator,body[data-device-class=mobile] .effect-panel{-webkit-backdrop-filter:blur(8px)}body[data-fx=low] .pause-overlay,body[data-fx=low] .fps-counter,body[data-fx=low] .perf-notification,body[data-fx=low] .bottom-nav,body[data-fx=low] .auto-save-indicator,body[data-fx=low] 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color-mix(in srgb, var(--panel) 60%, transparent));width:44px;min-width:44px;height:44px;min-height:44px;color:var(--txt-1);cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;transition:transform var(--t-fast) var(--bezier), box-shadow var(--t-fast), background var(--t-fast);will-change:transform;border-radius:50%;justify-content:center;align-items:center;display:inline-flex}.control-btn span{filter:drop-shadow(0 0 8px color-mix(in srgb, var(--primary) 25%, transparent));font-size:22px}@media (hover:hover) and (pointer:fine){.control-btn:hover{box-shadow:var(--fx-glow-strong);transform:translateY(-1px)}}.control-btn:active{transform:translateY(0)scale(.96)}.control-btn:focus-visible{outline-offset:2px;outline:2px solid #00e5ff99}.fx-toggle{gap:8px;margin-left:8px;display:flex}.fx-btn.is-active{box-shadow:var(--fx-glow-strong);outline:2px solid #00e5ffb3}.fx-btn[data-fx=low]{color:var(--muted)}.fx-btn[data-fx=balanced]{color:var(--primary)}.fx-btn[data-fx=high]{color:var(--accent)}#gameCanvas{width:100%;max-width:600px;height:auto;max-height:min(100vw - 20px, calc(100dvh - 266px - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px)));object-fit:contain;aspect-ratio:1;border-radius:var(--radius-sm);background:linear-gradient(180deg, color-mix(in srgb, var(--primary) 4%, #0a1020d9), color-mix(in srgb, var(--primary-2) 3%, #080c18e6));border:1px solid color-mix(in srgb, var(--primary) 20%, transparent);margin-top:0;display:block;position:relative}.modal{padding:0;padding-top:max(12px, env(safe-area-inset-top,0px));padding-bottom:max(12px, env(safe-area-inset-bottom,0px));background:radial-gradient(70% 70% at 50% 40%, color-mix(in srgb, var(--surface-overlay) 85%, transparent), color-mix(in srgb, var(--surface-overlay) 100%, transparent));z-index:10500;justify-content:center;align-items:center;display:none;position:fixed;inset:0}.modal.show,.modal.open,.modal.active{animation:fadeIn var(--t-mid) var(--bezier);display:flex}.modal.show .modal-content,.modal.open .modal-content,.modal.active .modal-content{animation:modalSheetIn var(--t-slow) var(--bezier)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalSheetIn{0%{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}.modal-content{max-height:calc(94dvh - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px));border-radius:var(--radius-md);border:1px solid color-mix(in srgb, var(--neutral) 20%, transparent);background:linear-gradient(180deg, color-mix(in srgb, var(--glass) 95%, transparent), color-mix(in srgb, var(--panel) 90%, transparent));width:min(100% - 24px,450px);-webkit-backdrop-filter:blur(calc(var(--fx-blur) * 2)) saturate(1.4);backdrop-filter:blur(calc(var(--fx-blur) * 2)) saturate(1.4);flex-direction:column;margin:0 auto;padding:20px;display:flex;position:relative;overflow:hidden;box-shadow:0 -8px 40px #00000080,inset 0 1px #ffffff0f}#gameOverModal .modal-content{max-height:calc(100dvh - 32px - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px))}.modal-content:before{content:"";background:color-mix(in srgb, var(--neutral) 25%, transparent);border-radius:2px;width:36px;height:4px;position:absolute;top:8px;left:50%;transform:translate(-50%)}.modal-header{border-bottom:1px solid color-mix(in srgb, var(--neutral) 15%, transparent);flex-shrink:0;align-items:center;gap:12px;padding:18px 6px 14px;display:flex}.modal-title{letter-spacing:.5px;color:var(--txt-1);text-shadow:0 0 10px #00e5ff40;margin:0;font-size:18px}.modal-close{cursor:pointer;-webkit-user-select:none;user-select:none;border:var(--bd-1);width:44px;height:44px;font:inherit;color:inherit;background:linear-gradient(180deg, color-mix(in srgb, var(--panel) 60%, transparent), color-mix(in 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color-mix(in srgb, var(--glass) 35%, transparent), color-mix(in srgb, var(--glass) 25%, transparent));grid-template-columns:1fr auto;gap:8px;padding:10px 12px;display:grid}.stat-label{color:var(--muted)}.stat-value{color:var(--primary);text-shadow:0 0 8px #00e5ff40;font-weight:700}.stat-bar{background:linear-gradient(180deg, color-mix(in srgb, var(--glass) 60%, transparent), color-mix(in srgb, var(--glass) 50%, transparent));border:1px solid color-mix(in srgb, var(--neutral) 18%, transparent);border-radius:999px;height:6px;margin-top:8px;position:relative;overflow:hidden}.stat-bar__fill{width:var(--w,0%);transition:width var(--t-mid) var(--bezier);background:linear-gradient(90deg,#00e5ffa6,#3b82f6a6,#9d4dff80);border-right:1px solid #ffffff40;position:absolute;inset:0 auto 0 0;box-shadow:0 0 12px #00e5ff59}body[data-fx=low] .stat-bar__fill{background:linear-gradient(90deg,#00e5ff80,#3b82f680);box-shadow:0 0 8px 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#0003;transform:translateY(-2px)scale(1.05)}.score-section{text-align:right;flex-direction:column;align-items:flex-end;gap:8px;display:flex}.final-score{flex-direction:column;align-items:flex-end;gap:4px;display:flex}.score-label{color:var(--muted);letter-spacing:.5px;font-size:12px;font-weight:600}.new-record-badge{border-radius:var(--radius-pill);color:#ffc107;text-shadow:0 0 8px #ffc1074d;background:linear-gradient(145deg,#ffd70033,#ffc1071a);border:1px solid #ffc10766;padding:4px 12px;font-size:11px;font-weight:700;animation:2s ease-in-out infinite newRecordGlow}@keyframes newRecordGlow{0%,to{box-shadow:0 0 10px #ffc1074d}50%{box-shadow:0 0 20px #ffc10799}}.rewards-section{text-align:center}.rewards-list{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.reward-badge{border-radius:var(--radius-pill);border:1px solid color-mix(in srgb, var(--neutral) 30%, transparent);background:linear-gradient(135deg, color-mix(in srgb, var(--glass) 80%, transparent), #0c122499);color:var(--primary);box-shadow:var(--fx-glow), inset 0 1px 0 #ffffff1a;transition:var(--transition-ui);padding:6px 14px;font-size:13px;font-weight:600}.reward-badge:hover{box-shadow:var(--fx-glow-strong);transform:translateY(-1px)}.reward-badge.muted{color:var(--muted);background:linear-gradient(135deg, color-mix(in srgb, var(--glass) 40%, transparent), #0c12244d);box-shadow:none;border-color:#78c8ff26}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:8px;display:grid}.stat-card{background:linear-gradient(135deg, color-mix(in srgb, var(--glass) 70%, transparent), color-mix(in srgb, var(--glass) 50%, transparent));border:1px solid color-mix(in srgb, var(--neutral) 20%, transparent);border-radius:var(--radius-sm);box-shadow:var(--fx-glow), inset 0 1px 0 #ffffff0d;transition:var(--transition-ui);align-items:center;gap:10px;padding:10px 12px;display:flex}.stat-card:hover{box-shadow:var(--fx-glow-strong);border-color:color-mix(in srgb, var(--neutral) 35%, transparent);transform:translateY(-1px)}.stat-card.primary{background:linear-gradient(135deg, #00e5ff1a, color-mix(in srgb, var(--glass) 70%, transparent));border-color:#00e5ff66}.stat-card.accent{background:linear-gradient(135deg, #9d4dff1a, color-mix(in srgb, var(--glass) 70%, transparent));border-color:#9d4dff66}.stat-icon{text-align:center;filter:drop-shadow(0 0 6px #00e5ff4d);min-width:20px;font-size:18px}.stat-content{flex:1;min-width:0}.stat-card .stat-value{color:var(--primary);text-shadow:0 0 8px #00e5ff4d;font-family:PixelFont;font-size:16px;font-weight:800;line-height:1.2;display:block}.stat-card .stat-label{color:var(--muted);letter-spacing:.3px;margin-top:1px;font-size:10px;font-weight:500;display:block}.performance-section{background:linear-gradient(135deg, #9d4dff1a, color-mix(in srgb, var(--glass) 60%, transparent));border-radius:var(--radius-sm);border:1px solid #9d4dff4d;gap:6px;padding:12px;display:grid;box-shadow:0 0 15px #9d4dff33,inset 0 1px #ffffff0d}.go-records-section{border:1px solid color-mix(in srgb, var(--neutral) 22%, transparent);border-radius:var(--radius-sm);background:linear-gradient(180deg, color-mix(in srgb, var(--glass) 70%, transparent), color-mix(in srgb, var(--panel) 55%, transparent));overflow:hidden}.go-records-toggle{width:100%;color:var(--txt-1);cursor:pointer;box-sizing:border-box;background:0 0;border:none;justify-content:space-between;align-items:center;gap:10px;min-height:44px;padding:12px 14px;font-family:PixelFont,system-ui,sans-serif;font-size:13px;display:flex}.go-records-toggle:hover{background:color-mix(in srgb, var(--primary) 8%, transparent)}.go-records-toggle-left{align-items:center;gap:8px;min-width:0;display:flex}.go-records-toggle-count{color:var(--muted);border:1px solid color-mix(in srgb, var(--neutral) 25%, transparent);font-variant-numeric:tabular-nums;background:#00000026;border-radius:999px;padding:2px 8px;font-size:11px}.go-records-chevron{color:var(--muted);transition:transform var(--t-mid) var(--bezier);flex-shrink:0;font-size:10px}.go-records-toggle.is-open .go-records-chevron,.go-records-section.is-open .go-records-chevron{transform:rotate(180deg)}.go-records-panel{border-top:1px solid color-mix(in srgb, var(--neutral) 16%, transparent);-webkit-overflow-scrolling:touch;overscroll-behavior:contain;max-height:min(42vh,320px);padding:8px;overflow-y:auto}.go-records-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.go-record-item{border:1px solid color-mix(in srgb, var(--neutral) 18%, transparent);background:#080c1c73;border-radius:10px;padding:10px 12px}.go-record-head{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.go-record-seq{align-items:center;gap:6px;min-width:0;display:flex}.go-record-dot{min-width:20px;height:20px;color:var(--primary);background:color-mix(in srgb, var(--primary) 14%, transparent);border:1px solid color-mix(in srgb, var(--primary) 28%, transparent);border-radius:999px;justify-content:center;align-items:center;padding:0 5px;font-size:10px;font-weight:700;display:inline-flex}.go-record-clear{color:var(--txt-2);font-size:12px}.go-record-clear strong{color:var(--txt-1);font-variant-numeric:tabular-nums}.go-record-badges{flex-wrap:wrap;flex:1;gap:4px;min-width:0;display:flex}.go-record-score{color:var(--primary);font-variant-numeric:tabular-nums;text-shadow:0 0 8px color-mix(in srgb, var(--primary) 35%, transparent);margin-left:auto;font-size:14px;font-weight:800}.go-record-chips{flex-wrap:wrap;gap:4px;margin-top:6px;display:flex}.go-tag{white-space:nowrap;border:1px solid #0000;border-radius:999px;align-items:center;padding:2px 7px;font-size:10px;font-weight:600;display:inline-flex}.go-tag-base{color:var(--txt-2);background:#78c8ff14;border-color:#78c8ff2e}.go-tag-scale{color:var(--primary);background:#00e5ff1f;border-color:#00e5ff4d}.go-tag-combo{color:var(--warning);background:#ffd1661f;border-color:#ffd1664d}.go-tag-wave{color:var(--danger);background:#f43f5e1f;border-color:#f43f5e59}.go-tag-gold{color:var(--warning);background:#fbbf241f;border-color:#fbbf244d}.go-tag-thaw{color:#00f2fe;background:#00f2fe1a;border-color:#00f2fe4d}.go-tag-gas{color:#8bc34a;background:#8bc34a1a;border-color:#8bc34a4d}.go-tag-plague{color:#c084fc;background:#9333ea1a;border-color:#9333ea4d}.go-tag-chain{color:#eab308;background:#eab3081f;border-color:#eab3084d}.go-tag-reso{color:#06b6d4;background:#06b6d41a;border-color:#06b6d44d}.go-tag-rift{color:#a78bfa;background:#7c3aed1f;border-color:#7c3aed4d}.go-tag-lead{color:#4facfe;background:#4facfe1a;border-color:#4facfe4d}.go-tag-time{color:#f87171;background:#ef44441a;border-color:#ef44444d}.go-records-empty{text-align:center;color:var(--muted);padding:18px 10px}.go-records-empty-icon{margin-bottom:6px;font-size:22px}.go-records-empty-text{font-size:12px}#gameOverModal .modal-buttons{flex-wrap:wrap}#gameOverModal #gameOverRecordsBtn{flex:100%;order:-1}@media (width>=400px){#gameOverModal #gameOverRecordsBtn{flex:none;order:0}}.performance-item{justify-content:space-between;align-items:center;padding:6px 0;display:flex}.perf-label{color:var(--muted);font-size:13px;font-weight:500}.perf-value{color:var(--accent);text-shadow:0 0 8px #9d4dff4d;font-family:PixelFont;font-size:14px;font-weight:700}.gameover-wrap{gap:14px;display:grid}.result-head{justify-content:space-between;align-items:center;gap:16px;display:flex}@media (width<=480px){.result-header{text-align:center;flex-direction:column;gap:12px;padding:10px}.score-section{align-items:center}.score-flip{text-align:center;font-size:28px}.stats-grid{grid-template-columns:repeat(2,1fr);gap:6px}.stat-card{gap:8px;padding:8px 10px}.stat-card .stat-value{font-size:14px}.stat-icon{font-size:16px}.grade-ring-enhanced{width:70px;height:70px}.grade-ring-enhanced .grade-text{font-size:24px}.grade-sub{font-size:11px}.gameover-wrap-enhanced{gap:12px;padding:4px}.performance-section{padding:10px}}@media (width<=360px){.stats-grid{grid-template-columns:repeat(2,1fr);gap:4px}.stat-card{justify-content:space-between;padding:6px 8px}.stat-card .stat-value{font-size:13px}.stat-icon{font-size:14px}.performance-section{padding:8px}.grade-ring-enhanced{width:60px;height:60px}.grade-ring-enhanced .grade-text{font-size:20px}}.grade-ring{background:var(--grade-bg);border:4px solid var(--grade-border);border-radius:50%;place-items:center;width:80px;height:80px;transition:transform .3s,box-shadow .3s;display:grid;position:relative;box-shadow:inset 0 2px 4px #fff6,0 5px 10px #0000004d,inset 0 -2px 3px #0000004d}.grade-ring .grade-text{color:#fff;text-shadow:0 0 5px var(--grade-glow), 0 2px 3px #00000080;font-size:36px;font-weight:900}.grade-ring:hover{transform:translateY(-3px)scale(1.05);box-shadow:inset 0 2px 4px #fff6,0 8px 15px #0006,inset 0 -2px 3px #0000004d}.grade-ring[data-grade=S]{--grade-bg:linear-gradient(145deg, gold, #f0c400);--grade-border:#ffc700;--grade-glow:#ffc700}.grade-ring[data-grade=A]{--grade-bg:linear-gradient(145deg, silver, #a9a9a9);--grade-border:#b0b0b0;--grade-glow:#e0e0e0}.grade-ring[data-grade=A] .grade-text{color:#333;text-shadow:0 1px 1px #ffffffb3}.grade-ring[data-grade=B]{--grade-bg:linear-gradient(145deg, #cd7f32, #b87329);--grade-border:#c0722a;--grade-glow:#e69138}.grade-ring[data-grade=C]{--grade-bg:linear-gradient(145deg, #8c92ac, #71768a);--grade-border:#7d8296;--grade-glow:#aab0c4}.score-flip{text-align:right;min-width:120px;color:var(--primary);text-shadow:0 0 15px #00e5ff66,0 0 30px #00e5ff33;animation:flipPop .6s var(--bezier);letter-spacing:1px;font-family:PixelFont;font-size:36px;font-weight:900;line-height:1}@keyframes flipPop{0%{opacity:0;filter:blur(4px);transform:rotateX(60deg)scale(.9)}50%{opacity:1;filter:blur();transform:rotateX(0)scale(1.08)}to{filter:blur();transform:rotateX(0)scale(1)}}body[data-fx=low] .grade-ring-enhanced:before{background:var(--grade-glow,#64748b4d);animation:none}body[data-fx=low] .grade-glow{opacity:.4;animation:none}body[data-fx=low] .new-record-badge{animation:none;box-shadow:0 0 8px #ffc10733}body[data-fx=low] .stat-card:hover{box-shadow:var(--fx-glow);transform:none}body[data-fx=low] .grade-ring-enhanced:hover{box-shadow:0 0 15px var(--grade-glow,#64748b66), inset 0 2px 4px #fff3, inset 0 -2px 4px #0000004d;transform:none}body[data-fx=low] .grade-ring:before{filter:blur(4px);opacity:.45}body[data-fx=low] .score-flip{text-shadow:0 0 8px #00e5ff33}.score-effect,.combo-effect{display:none!important}.number-pop{will-change:transform;animation:.4s cubic-bezier(.34,1.56,.64,1) number-pop}@keyframes number-pop{0%{transform:scale(1)}35%{transform:scale(1.18)}to{transform:scale(1)}}.fps-counter{-webkit-backdrop-filter:blur(10px);color:var(--txt-1);z-index:10800;pointer-events:none;-webkit-user-select:none;user-select:none;background:#121932d9;border:1px solid #6366f14d;border-radius:6px;padding:6px 12px;font-family:Courier New,monospace;font-size:13px;font-weight:600;position:fixed;top:10px;right:10px;box-shadow:0 2px 8px #0000004d,0 0 15px #6366f133}.fps-counter.fps-good{color:var(--success);text-shadow:0 0 8px #31e28a66;border-color:#31e28a66}.fps-counter.fps-medium{color:var(--warning);text-shadow:0 0 8px #ffd16666;border-color:#ffd16666}.fps-counter.fps-low{color:var(--danger);text-shadow:0 0 8px #ff5c9366;border-color:#ff5c9366}.perf-notification{top:calc(12px + env(safe-area-inset-top,0px));background:linear-gradient(135deg, color-mix(in srgb, var(--glass) 95%, transparent), color-mix(in srgb, var(--glass) 90%, transparent));-webkit-backdrop-filter:blur(15px);color:var(--txt-1);text-align:center;opacity:0;pointer-events:none;z-index:10700;border:1px solid #6366f166;border-radius:12px;padding:12px 20px;font-size:14px;font-weight:500;transition:opacity .3s cubic-bezier(.4,0,.2,1),transform .3s cubic-bezier(.4,0,.2,1);position:fixed;left:50%;transform:translate(-50%)translateY(-10px);box-shadow:0 4px 20px #0006,0 0 30px #6366f14d,inset 0 0 0 1px #ffffff0d}.perf-notification.show{opacity:1;transform:translate(-50%)translateY(0)}.touch-feedback{pointer-events:none;opacity:0;z-index:1000;background:radial-gradient(circle,#6366f166 0%,#6366f133 40%,#0000 70%);border-radius:50%;width:60px;height:60px;margin:-30px 0 0 -30px;transition:opacity .3s cubic-bezier(.4,0,.2,1),transform .3s cubic-bezier(.4,0,.2,1);position:fixed;top:0;left:0;transform:scale(.3);box-shadow:0 0 20px #6366f199,inset 0 0 15px #ffffff4d}.touch-feedback.active{opacity:1;animation:.3s cubic-bezier(.4,0,.2,1) touch-ripple;transform:scale(1)}@keyframes touch-ripple{0%{opacity:0;transform:scale(.3)}50%{opacity:1}to{opacity:0;transform:scale(1.2)}}#gameCanvas{touch-action:none;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}.modal-btn,.nav-item{-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;min-width:48px;min-height:48px;position:relative}.control-btn,.auth-btn{-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;min-width:40px;min-height:40px;position:relative}.control-btn:active,.auth-btn:active,.modal-btn:active{transition:transform .1s cubic-bezier(.4,0,.2,1);transform:scale(.95)}.nav-item:active{transition:transform .1s cubic-bezier(.4,0,.2,1);transform:translateY(2px)}@media (width<=640px){.fps-counter{padding:4px 10px;font-size:12px;top:8px;right:8px}.perf-notification{max-width:90%;padding:10px 16px;font-size:13px}}.guide-steps{gap:10px;display:grid}.step-card{border-radius:var(--radius-sm);background:linear-gradient(180deg, color-mix(in srgb, var(--glass) 45%, transparent), color-mix(in srgb, var(--glass) 35%, transparent));box-shadow:var(--fx-glow);transition:transform var(--t-fast) var(--bezier), box-shadow var(--t-fast);will-change:transform;border:1px dashed #78c8ff40;grid-template-columns:36px 1fr;align-items:center;gap:10px;padding:10px 12px;display:grid}.step-card:hover{box-shadow:var(--fx-glow-strong);transform:translateY(-1px)}.step-card .no{width:28px;height:28px;color:var(--txt-1);background:radial-gradient(60% 60% at 50% 50%, #ffffff2e, #fff0 70%), linear-gradient(180deg, color-mix(in srgb, var(--glass) 80%, transparent), color-mix(in srgb, var(--glass) 60%, transparent));box-shadow:var(--fx-glow);border:1px solid #78c8ff4d;border-radius:50%;place-items:center;font-weight:800;display:grid}.step-card .txt{color:var(--txt-2)}.guide-demo{border-radius:var(--radius-sm);background:linear-gradient(180deg, color-mix(in srgb, var(--glass) 45%, transparent), color-mix(in srgb, var(--glass) 35%, transparent));border:1px dashed #78c8ff40;margin-top:12px;padding:12px}.guide-demo .mini-board{flex-wrap:wrap;align-items:center;gap:8px;display:inline-flex}.guide-demo .dot{background:radial-gradient(60% 60% at 35% 35%,#ffffffd9,#ffffff14 60%,#fff0 70%),radial-gradient(120% 120% at 70% 70%,#00e5ff4d,#00e5ff0d 60%,#0000 70%);border:1px solid #78c8ff59;border-radius:50%;width:12px;height:12px;box-shadow:0 0 8px #00e5ff40}.guide-demo .dot.c1{background-color:#00e5ff}.guide-demo .dot.c2{background-color:#3b82f6}.guide-demo .dot.c3{background-color:#9d4dff}.guide-demo .dot.c4{background-color:#31e28a}.guide-demo .dot.c5{background-color:#ffd166}.guide-demo .arrow{opacity:.85;text-shadow:0 0 8px #00e5ff40;margin:0 8px}.guide-demo .label{color:var(--primary);text-shadow:0 0 8px #00e5ff40;font-size:12px}.guide-demo .tip{color:var(--muted);margin-top:8px;font-size:12px}details.faq{border-radius:var(--radius-sm);background:linear-gradient(180deg, color-mix(in srgb, var(--glass) 45%, transparent), color-mix(in srgb, var(--glass) 35%, transparent));border:1px dashed #78c8ff40;margin-top:12px;padding:8px 10px}details.faq>summary{cursor:pointer;-webkit-user-select:none;user-select:none;color:var(--txt-1);align-items:center;gap:8px;list-style:none;display:flex}details.faq>summary::-webkit-details-marker{display:none}details.faq>summary:before{content:"▸";transition:transform var(--t-fast) var(--bezier);color:var(--primary);display:inline-block;transform:rotate(0)}details.faq[open]>summary:before{transform:rotate(90deg)}details.faq ul{margin:8px 0 0 18px;padding:0}details.faq li{color:var(--txt-2);margin:6px 0}body[data-fx=low] .step-card{box-shadow:none}body[data-fx=low] .guide-demo .dot{box-shadow:0 0 6px #00e5ff2e}#rulesModal .modal-content{max-width:560px}#rulesModal .modal-body{flex-direction:column;gap:16px;display:flex}.rules-section{border:1px solid color-mix(in srgb, var(--neutral) 20%, transparent);border-radius:var(--radius-sm);background:linear-gradient(180deg, color-mix(in srgb, var(--glass) 40%, transparent), #0c12244d);margin-top:0;padding:14px 16px}.rules-section h3{color:var(--primary);border-bottom:1px solid color-mix(in srgb, var(--neutral) 25%, transparent);text-shadow:0 0 8px #00e5ff4d;align-items:center;gap:8px;margin:0 0 12px;padding-bottom:8px;font-size:16px;font-weight:600;display:flex}.rules-section.gameplay h3:before{content:"📖"}.rules-section.demo h3:before{content:"✨"}.rules-section.faq-section h3:before{content:"❓"}.rules-section.scoring h3:before{content:"🧮"}.rules-section h3:before{opacity:.8;font-size:18px}.rules-list{color:var(--txt-2);margin:0;padding-left:20px;font-size:14px;line-height:1.65;list-style:decimal}.rules-list li{margin-bottom:8px;padding-left:4px}.rules-list li:last-child{margin-bottom:0}#rulesModal .guide-demo{border-radius:var(--radius-sm);background:#00000026;border:none;margin-top:0;padding:12px}.faq-section .faq-container{flex-direction:column;gap:8px;display:flex}#rulesModal .faq{background:#00000026;border:1px solid #78c8ff26;margin-top:0;padding:10px 14px;transition:background .2s}#rulesModal .faq[open]{border-color:color-mix(in srgb, var(--neutral) 25%, transparent);background:#00000040}#rulesModal .faq>summary{padding:0;font-size:14px;font-weight:600}#rulesModal .faq p{color:var(--txt-2);margin:8px 0 0;padding-left:20px;font-size:13px;line-height:1.6}.rules-section.scoring{background:linear-gradient(#19123266,#120c244d);border-color:#9d4dff4d;padding:14px 16px}.rules-section.scoring h3{color:var(--accent);text-shadow:0 0 8px #9d4dff66;border-color:#9d4dff4d}.scoring-details{gap:14px;font-size:14px;display:grid}.scoring-category{color:var(--txt-2);text-align:center}.scoring-title{color:var(--txt-1);margin-bottom:6px;font-size:13px;font-weight:600}.scoring-category p{margin:0}.bead-count-tag{border-radius:var(--radius-xs);text-align:center;border:1px solid;min-width:45px;padding:2px 8px;font-size:12px;font-weight:700;display:inline-block}.bead-count-tag.tier-1{color:#a8c1ff;background-color:#a8c1ff1a;border-color:#a8c1ff66}.bead-count-tag.tier-2{color:#60a5fa;background-color:#3b82f626;border-color:#3b82f680}.bead-count-tag.tier-3{color:#31e28a;background-color:#31e28a26;border-color:#31e28a80}.scoring-tip{border-radius:var(--radius-sm);color:var(--muted);background:#0b0f1a80;border:1px dashed #9d4dff40;margin-top:12px;padding:10px;font-size:12px}.scoring-tip strong{color:var(--txt-2)}#recordStats{border-radius:var(--radius-sm);border:1px dashed color-mix(in srgb, var(--neutral) 25%, transparent);background:#00000026;grid-template-columns:repeat(2,1fr);gap:10px;padding:10px;display:grid}#recordStats .stat-item{border-radius:var(--radius-sm);background:#0003;flex-direction:column;align-items:center;gap:4px;padding:8px;display:flex}#recordStats .stat-label{color:var(--muted);font-size:12px}#recordStats .stat-value{color:var(--primary);text-shadow:0 0 8px #00e5ff40;font-size:18px;font-weight:700}.user-auth-area{border-radius:var(--radius-sm);width:100%;min-height:36px;box-shadow:var(--shadow-card), inset 0 0 0 1px #ffffff05;-webkit-backdrop-filter:blur(var(--fx-blur));z-index:8;background:linear-gradient(#121932c7,#0c1224ad);border:1px solid #78c8ff38;flex-direction:column;flex:none;justify-content:center;align-items:stretch;padding:0;display:flex;position:relative;overflow:visible}.auth-collapse-toggle{width:100%;min-height:40px;color:var(--txt-2);cursor:pointer;touch-action:manipulation;-webkit-tap-highlight-color:transparent;background:0 0;border:none;justify-content:space-between;align-items:center;gap:8px;padding:6px 12px;font-family:PixelFont,sans-serif;font-size:12px;display:flex}.auth-collapse-label{text-align:left;white-space:nowrap;text-overflow:ellipsis;color:var(--muted);flex:1;min-width:0;overflow:hidden}.user-auth-area.is-logged-in .auth-collapse-label{color:var(--primary)}.auth-mode-highscore{background:#00e5ff14;border:1px solid #00e5ff47;border-radius:999px;flex:none;align-items:baseline;gap:4px;max-width:42%;padding:2px 8px;font-family:PixelFont,sans-serif;line-height:1.2;display:inline-flex}.auth-mode-highscore[hidden],.user-auth-area.is-open .auth-mode-highscore{display:none!important}.auth-mode-highscore-label{color:var(--muted);white-space:nowrap;font-size:10px}.auth-mode-highscore-value{color:var(--primary);font-variant-numeric:tabular-nums;white-space:nowrap;font-size:13px;font-weight:700}.auth-collapse-chevron{opacity:.7;flex:none;transition:transform .15s}.user-auth-area.is-open .auth-collapse-chevron{transform:rotate(180deg)}.auth-panel-body{flex:none;padding:0 8px 10px}.auth-panel-body[hidden]{display:none!important}body.game-page .user-auth-area.is-open{margin-bottom:calc(12px + env(safe-area-inset-bottom,0px));padding-bottom:4px}body.game-page .game-container:has(.user-auth-area.is-open){padding-bottom:calc(12px + env(safe-area-inset-bottom,0px));scroll-padding-bottom:calc(80px + env(safe-area-inset-bottom,0px))}.auth-buttons{align-items:center;gap:12px;display:flex}.auth-btn{border-radius:var(--radius-sm);min-width:75px;height:44px;min-height:44px;color:var(--txt-1);cursor:pointer;touch-action:manipulation;transition:transform var(--t-fast) var(--bezier), box-shadow var(--t-fast), background var(--t-fast), border-color var(--t-fast);text-shadow:0 0 6px #00e5ff40;background:linear-gradient(#161e3cd9,#0e1428bf);border:1px solid #78c8ff47;justify-content:center;align-items:center;padding:0 18px;font-family:PixelFont;font-size:13px;line-height:1;display:inline-flex;box-shadow:0 0 10px #00e5ff14}@media (hover:hover) and (pointer:fine){.auth-btn:hover{background:linear-gradient(#1c2648e6,#121a32cc);border-color:#78c8ff73;transform:translateY(-1px);box-shadow:0 0 12px #00e5ff33}}.auth-btn:active{transform:scale(.98)}.login-btn{background:linear-gradient(135deg,#22c55e38,#10b9812e)}.login-btn:hover{background:linear-gradient(135deg,#22c55e59,#10b9814d)}.register-btn{background:linear-gradient(135deg,#3b82f638,#6366f12e)}.register-btn:hover{background:linear-gradient(135deg,#3b82f659,#6366f14d)}.user-info{justify-content:space-between;align-items:center;gap:12px;width:100%;display:flex}.user-avatar{border:2px solid #78c8ff59;border-radius:50%;width:46px;height:46px;font-size:30px;overflow:hidden;box-shadow:0 0 10px #00e5ff26}.user-avatar img{object-fit:cover;object-position:center;width:100%;height:100%;display:block}.user-details{text-align:left;flex:1}.username{color:var(--danger);text-shadow:0 0 6px #00e5ff4d;margin-bottom:2px;font-family:PixelFont;font-size:16px}.high-score{color:var(--txt-2);text-shadow:0 0 4px #00e5ff33;background:#00e5ff0d;border:1px solid #00e5ff4d;border-radius:8px;justify-content:space-between;align-items:center;margin-top:2px;padding:4px 8px;font-family:PixelFont;font-size:12px;display:flex}.personal-score{text-align:left;flex:1;font-weight:700}.world-score{text-align:right;flex:1;font-weight:700}.score-separator{opacity:.8;flex:none;margin:0 6px;font-size:10px}.logout-btn{width:44px;min-width:44px;height:44px;min-height:44px;color:var(--danger);cursor:pointer;touch-action:manipulation;background-color:#0000;border:2px solid #78c8ff00;border-radius:50%;justify-content:center;align-items:center;font-size:18px;display:inline-flex;overflow:hidden}@media (hover:hover) and (pointer:fine){.logout-btn:hover{background:linear-gradient(135deg,#ef444466,#dc262666);border-color:#ef444499;box-shadow:0 0 8px #ef44444d}}.bottom-nav{background:linear-gradient(180deg, color-mix(in srgb, var(--panel) 70%, transparent), color-mix(in srgb, var(--panel) 60%, transparent));-webkit-backdrop-filter:blur(10px);border:1px solid color-mix(in srgb, var(--metallic-via) 30%, transparent);border-radius:var(--radius-sm);z-index:100;max-width:450px;height:60px;box-shadow:0 -2px 16px color-mix(in srgb, var(--metallic-shadow) 40%, transparent);justify-content:space-around;align-items:center;margin:0 auto;display:flex;position:fixed;bottom:0;left:10px;right:10px}.nav-item{color:var(--txt-2);-webkit-tap-highlight-color:transparent;touch-action:manipulation;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:2px;min-width:48px;min-height:48px;font-size:12px;text-decoration:none;transition:color .2s,transform .15s;display:flex}.nav-item.active{color:var(--primary);transform:translateY(-1px)}@media (hover:hover) and (pointer:fine){.nav-item:hover{color:var(--primary)}}.nav-item.active .nav-icon,.nav-item.active .ui-icon{filter:drop-shadow(0 0 8px #00e5ff8c);transform:scale(1.08)}.nav-item span,.nav-item .nav-icon{justify-content:center;align-items:center;width:24px;height:24px;font-size:22px;line-height:1;display:inline-flex}.nav-item label{pointer-events:none;font-size:12px}.score-container{border-radius:var(--radius-sm);width:auto;min-width:0;height:44px;box-shadow:none;background:0 0;border:1px solid #78c8ff40;flex:auto;align-items:stretch;display:flex;overflow:hidden}.score-base{white-space:nowrap;background:0 0;border-right:1px solid #78c8ff29;flex:1;justify-content:space-between;align-items:center;gap:4px;padding:0 8px;display:flex;overflow:hidden}.score-expand-btn{display:none!important}#baseScore{color:var(--success);text-overflow:ellipsis;font-size:12px;font-weight:700;overflow:hidden}#rewardScore{color:var(--danger);text-overflow:ellipsis;font-size:12px;font-weight:700;overflow:hidden}.score-details{flex-direction:column;flex:0 0 45%;font-family:PixelFont,sans-serif;font-size:11px;display:flex;overflow:hidden}.score-reward,.score-total{white-space:nowrap;flex:1;justify-content:space-between;align-items:center;padding:0 8px;font-size:11px;display:flex;overflow:hidden}.score-reward{border-bottom:1px solid #78c8ff29}.score-label{color:var(--muted);font-family:PixelFont,sans-serif}#level{font-size:13px}#totalScore{color:var(--primary);text-overflow:ellipsis;text-shadow:none;background:0 0;font-family:PixelFont,monospace;font-size:23px;font-weight:700;overflow:hidden}@keyframes game-start-animation{0%{opacity:0;transform:scale(.8)}50%{opacity:1;transform:scale(1.05)}to{opacity:1;transform:scale(1)}}.game-start{animation:.5s ease-out game-start-animation}.update-popup-overlay{padding:5px;padding-bottom:calc(75px + env(safe-area-inset-bottom,0px));box-sizing:border-box;z-index:10600;opacity:0;transition:opacity var(--t-mid) var(--bezier);background:radial-gradient(60% 60%,#040810b3,#040810e6);justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.update-popup-overlay.show{opacity:1}.update-popup-content{max-height:calc(85vh - 75px - env(safe-area-inset-bottom,0px));width:calc(100% - 10px);max-width:450px;transition:transform var(--t-mid) var(--bezier);flex-direction:column;margin:auto;padding:20px;display:flex;position:relative;overflow:hidden;transform:translateY(20px)scale(.95)}.update-popup-overlay.show .update-popup-content{transform:translateY(0)scale(1)}.update-popup-header{border-bottom:1px dashed color-mix(in srgb, var(--neutral) 25%, transparent);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 0 16px;display:flex}.update-popup-title{letter-spacing:.5px;color:var(--txt-1);text-shadow:0 0 10px #00e5ff40;margin:0;font-size:22px}.update-popup-close{cursor:pointer;-webkit-user-select:none;user-select:none;border:var(--bd-1);background:linear-gradient(180deg, color-mix(in srgb, var(--panel) 55%, transparent), color-mix(in srgb, var(--panel) 50%, transparent));box-shadow:var(--fx-glow);transition:transform var(--t-fast) var(--bezier), box-shadow var(--t-fast);border-radius:10px;padding:6px 8px;font-size:14px}.update-popup-close:hover{box-shadow:var(--fx-glow-strong);transform:translateY(-1px)}.update-popup-body{min-height:0;color:var(--txt-2);scrollbar-width:none;-ms-overflow-style:none;flex:1;padding:16px 0;overflow-y:auto}.update-popup-body::-webkit-scrollbar{display:none}.updates-list{flex-direction:column;gap:16px;display:flex}.update-item{background:linear-gradient(135deg, color-mix(in srgb, var(--panel) 30%, transparent), color-mix(in srgb, var(--panel) 20%, transparent));border:1px solid #78c8ff26;border-radius:12px;padding:16px;box-shadow:0 2px 8px #0003}.update-header{align-items:center;gap:12px;margin-bottom:8px;display:flex}.update-version{background:linear-gradient(135deg, var(--primary), #1e40af);color:#fff;text-shadow:0 1px 2px #0000004d;border-radius:6px;padding:4px 8px;font-size:12px;font-weight:600}.update-date{color:var(--txt-3);font-size:12px}.update-title{color:var(--txt-1);margin-bottom:8px;font-size:16px;font-weight:600}.update-item-content h4{color:var(--txt-1);align-items:center;gap:6px;margin:0 0 8px;font-size:14px;display:flex}.update-item-content p{color:var(--txt-2);margin:0 0 12px;font-size:14px;line-height:1.5}.update-features{flex-wrap:wrap;gap:6px;display:flex}.feature-tag{border:1px solid color-mix(in srgb, var(--neutral) 20%, transparent);color:var(--txt-2);white-space:nowrap;background:#78c8ff1a;border-radius:12px;padding:3px 8px;font-size:11px}.update-popup-footer{border-top:1px dashed color-mix(in srgb, var(--neutral) 25%, transparent);flex-shrink:0;justify-content:center;padding:16px 0 0;display:flex}.update-popup-confirm{border:var(--bd-1);background:linear-gradient(135deg, var(--primary), #1e40af);color:#fff;cursor:pointer;transition:var(--transition-ui);box-shadow:var(--fx-glow);text-shadow:0 1px 2px #0000004d;border-radius:8px;padding:10px 24px;font-size:14px;font-weight:600}.update-popup-confirm:hover{box-shadow:var(--fx-glow-strong);background:linear-gradient(135deg, #3b82f6, var(--primary));transform:translateY(-1px)}.update-popup-confirm:active{transform:translateY(0)}.auto-save-indicator{background:linear-gradient(135deg, color-mix(in srgb, var(--glass) 95%, transparent), color-mix(in srgb, var(--glass) 90%, transparent));-webkit-backdrop-filter:blur(12px);z-index:10700;opacity:0;transition:var(--transition-ui);pointer-events:none;border:1px solid #6366f14d;border-radius:12px;align-items:center;gap:8px;padding:10px 16px;display:flex;position:fixed;top:64px;right:20px;transform:translateY(-20px);box-shadow:0 4px 20px #0000004d,0 0 30px #6366f133,inset 0 0 0 1px #ffffff0d}.auto-save-indicator.show{opacity:1;transform:translateY(0)}.auto-save-indicator .indicator-icon{border:2px solid #6366f14d;border-top-color:#6366f1;border-radius:50%;flex-shrink:0;width:16px;height:16px}.auto-save-indicator.saving .indicator-icon{animation:.8s linear infinite spin}.auto-save-indicator.success .indicator-icon{background:#10b981;border:none;position:relative}.auto-save-indicator.success .indicator-icon:after{content:"✓";color:#fff;font-size:12px;font-weight:700;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.auto-save-indicator.error .indicator-icon{background:#ef4444;border:none;position:relative}.auto-save-indicator.error .indicator-icon:after{content:"!";color:#fff;font-size:12px;font-weight:700;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.auto-save-indicator .indicator-text{color:var(--txt-1);white-space:nowrap;text-shadow:0 1px 2px #0000004d;font-size:13px;font-weight:500}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (width<=640px){.auto-save-indicator{padding:8px 12px;font-size:12px;top:10px;right:10px}.auto-save-indicator .indicator-icon{width:14px;height:14px}.auto-save-indicator .indicator-text{font-size:12px}}.effect-panel{background:linear-gradient(135deg, color-mix(in srgb, var(--glass) 98%, transparent), color-mix(in srgb, var(--glass) 95%, transparent));-webkit-backdrop-filter:blur(20px);width:min(400px,100vw - 28px);max-width:400px;height:auto;max-height:min(72dvh,560px);box-shadow:0 8px 40px #00000080, 0 0 60px var(--metallic-shadow), inset 0 0 0 1px color-mix(in srgb, var(--metallic-via) 10%, transparent);z-index:10400;opacity:0;pointer-events:none;border:2px solid #0000;border-radius:16px;flex-direction:column;transition:opacity .25s,transform .25s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;top:50%;bottom:auto;left:50%;overflow:hidden;transform:translate(-50%,-50%)scale(.96)}.effect-panel:after{content:"";background:linear-gradient(135deg, color-mix(in srgb, var(--metallic-from) 55%, transparent), color-mix(in srgb, var(--metallic-via) 30%, transparent), color-mix(in srgb, var(--metallic-to) 55%, transparent));z-index:-1;pointer-events:none;border-radius:18px;position:absolute;inset:-2px}.effect-panel.show{opacity:1;pointer-events:all;transform:translate(-50%,-50%)scale(1)}.effect-panel-header{border-bottom:1px solid color-mix(in srgb, var(--neutral) 15%, transparent);flex-shrink:0;justify-content:space-between;align-items:center;padding:14px 18px;display:flex}.effect-panel-header h3{color:var(--txt-1);text-shadow:0 2px 4px #0000001a;margin:0;font-size:18px;font-weight:600}.effect-close-btn{background:color-mix(in srgb, var(--neutral) 8%, transparent);width:32px;height:32px;color:var(--txt-2);cursor:pointer;transition:var(--transition-ui);border:none;border-radius:8px;justify-content:center;align-items:center;font-size:18px;display:flex}.effect-close-btn:hover{background:color-mix(in srgb, var(--neutral) 15%, transparent);color:var(--txt-1)}.effect-panel-body{padding:14px 16px 16px;padding-bottom:calc(16px + env(safe-area-inset-bottom,0px));-webkit-overflow-scrolling:touch;overscroll-behavior:contain;touch-action:pan-y;scrollbar-gutter:stable;flex:auto;min-height:0;overflow:hidden auto}.effect-panel-body::-webkit-scrollbar{width:8px}.effect-panel-body::-webkit-scrollbar-track{background:#0003;border-radius:4px}.effect-panel-body::-webkit-scrollbar-thumb{background:linear-gradient(180deg, var(--primary), var(--primary-2));border-radius:4px;box-shadow:0 0 10px #00e5ff80}.effect-panel-body::-webkit-scrollbar-thumb:hover{background:linear-gradient(#00e5ff,#9d4dff);box-shadow:0 0 16px #00e5ffb3}.effect-panel-body{scrollbar-width:thin;scrollbar-color:#6366f1 #0003}.effect-section{margin-bottom:16px}.skin-options{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}.skin-option{border:1.5px solid color-mix(in srgb, var(--neutral) 12%, transparent);background:color-mix(in srgb, var(--neutral) 3%, transparent);cursor:pointer;transition:var(--transition-ui);-webkit-user-select:none;user-select:none;border-radius:10px;flex-direction:column;align-items:center;gap:6px;padding:10px 6px;display:flex}.skin-option:hover{border-color:color-mix(in srgb, var(--neutral) 25%, transparent);background:color-mix(in srgb, var(--neutral) 6%, transparent);transform:translateY(-1px)}.skin-option.active{border-color:var(--primary,#00e5ff);background:#00e5ff14;box-shadow:0 0 12px #00e5ff26,inset 0 0 8px #00e5ff0f}.skin-preview{align-items:center;gap:3px;display:flex}.skin-swatch{border-radius:50%;width:12px;height:12px;box-shadow:0 0 4px #0000004d}.skin-name{color:var(--txt-2);letter-spacing:.3px;font-size:11px}.skin-option.active .skin-name{color:var(--primary,#00e5ff)}.section-title{letter-spacing:.5px;text-transform:uppercase;color:var(--txt-2);margin-bottom:8px;font-size:12px}.option-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;display:grid}.intensity-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.intensity-options{margin-bottom:0}.intensity-option,.sound-style-option,.easing-option,.movement-style-option,.path-style-option{background:color-mix(in srgb, var(--neutral) 3%, transparent);border:2px solid color-mix(in srgb, var(--primary) 15%, transparent);cursor:pointer;transition:var(--transition-ui);border-radius:10px;align-items:center;gap:10px;padding:10px 12px;display:flex}.intensity-option:hover,.sound-style-option:hover,.easing-option:hover,.movement-style-option:hover,.path-style-option:hover{background:color-mix(in srgb, var(--neutral) 6%, transparent);border-color:color-mix(in srgb, var(--primary) 30%, transparent);transform:translateY(-1px)}.intensity-option.active,.sound-style-option.active,.easing-option.active,.movement-style-option.active,.path-style-option.active{background:color-mix(in srgb, var(--primary) 12%, transparent);border-color:color-mix(in srgb, var(--primary) 50%, transparent);box-shadow:0 0 20px color-mix(in srgb, var(--primary) 15%, transparent)}.option-radio{border:2px solid color-mix(in srgb, var(--neutral) 30%, transparent);width:24px;height:24px;transition:var(--transition-ui);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;display:flex}.intensity-option.active .option-radio,.sound-style-option.active .option-radio,.easing-option.active .option-radio,.movement-style-option.active .option-radio,.path-style-option.active .option-radio{border-color:var(--primary)}.radio-dot{width:12px;height:12px;transition:var(--transition-ui);background:0 0;border-radius:50%}.intensity-option.active .radio-dot,.sound-style-option.active .radio-dot,.easing-option.active .radio-dot,.movement-style-option.active .radio-dot,.path-style-option.active .radio-dot{background:var(--primary);box-shadow:0 0 10px color-mix(in srgb, var(--primary) 60%, transparent)}.option-content{flex:1}.option-title{color:var(--txt-1);margin-bottom:2px;font-size:13px;font-weight:600}.option-desc{color:var(--muted);font-size:11px;line-height:1.2}.effect-preview{background:color-mix(in srgb, var(--glass) 30%, transparent);border:1px solid color-mix(in srgb, var(--primary) 20%, transparent);border-radius:12px;padding:12px}.preview-label{color:var(--txt-2);text-align:center;margin-bottom:8px;font-size:12px}#effectPreviewCanvas{background:color-mix(in srgb, var(--glass) 20%, transparent);border-radius:8px;margin:0 auto;display:block}@media (width<=640px){.effect-panel{border-radius:16px 16px 0 0;flex-direction:column;width:100%;max-width:none;height:auto;max-height:min(68dvh,520px);padding-bottom:0;display:flex;inset:auto 0 0;overflow:hidden;transform:translateY(105%)}.effect-panel.show{transform:translateY(0)}.effect-panel-header{flex-shrink:0;padding:12px 16px}.effect-panel-header h3{font-size:16px}.effect-panel-body{padding:12px 14px 14px;padding-bottom:calc(18px + env(safe-area-inset-bottom,0px));-webkit-overflow-scrolling:touch;flex:auto;min-height:0;overflow-y:auto}.intensity-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.intensity-option,.sound-style-option,.easing-option,.movement-style-option,.path-style-option{padding:10px}.option-title{font-size:12px}.option-desc{font-size:11px}.toggle-switch{gap:10px}.toggle-text{font-size:12px}.easing-option{min-height:44px;padding:10px}.easing-option .option-radio{width:20px;height:20px}.easing-option .radio-dot{width:8px;height:8px}.easing-option .option-title{font-size:12px}.easing-option .option-desc{font-size:10px}.intensity-slider{padding:12px}.slider-label{font-size:12px}.custom-slider::-webkit-slider-thumb{width:20px;height:20px}.custom-slider::-moz-range-thumb{width:20px;height:20px}}.effect-toggles{margin-bottom:24px}.toggle-switch{cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:12px;display:flex}.toggle-switch input[type=checkbox]{opacity:0;width:0;height:0;position:absolute}.toggle-slider{background:color-mix(in srgb, var(--neutral) 12%, transparent);border:1px solid color-mix(in srgb, var(--primary) 25%, transparent);width:48px;height:26px;transition:var(--transition-ui);border-radius:13px;flex-shrink:0;position:relative}.toggle-slider:before{content:"";background:linear-gradient(135deg, var(--txt-1), color-mix(in srgb, var(--txt-2) 50%, 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comboTierEdgeGlow{0%,to{box-shadow:0 0 0 1px color-mix(in srgb, var(--primary) 35%, transparent), 0 0 18px color-mix(in srgb, var(--primary) 28%, transparent), inset 0 0 22px color-mix(in srgb, var(--primary) 18%, transparent)}50%{box-shadow:0 0 0 1px color-mix(in srgb, var(--primary) 70%, transparent), 0 0 32px color-mix(in srgb, var(--primary) 55%, transparent), inset 0 0 36px color-mix(in srgb, var(--primary) 38%, transparent)}}.board-stage.combo-tier-2 #gameCanvas{animation:1.4s ease-in-out infinite comboTierEdgeGlow,2.4s ease-in-out infinite comboTierWarmShift}@keyframes comboTierWarmShift{0%,to{filter:none}50%{filter:sepia(.18)saturate(1.18)hue-rotate(-8deg)drop-shadow(0 0 14px #ffb34759)}}.board-stage.combo-tier-3 #gameCanvas{animation:1.2s ease-in-out infinite comboTierEdgeGlow,2s ease-in-out infinite comboTierWarmShift}.board-stage.combo-tier-3:after{content:"";pointer-events:none;z-index:3;border-radius:var(--radius-sm);background:radial-gradient(#0000 46%,#00000057 82%,#0000008c 100%);animation:1.1s ease-in-out infinite comboTierVignettePulse;position:absolute;inset:0}@keyframes comboTierVignettePulse{0%,to{opacity:.55;transform:scale(1)}50%{opacity:.92;transform:scale(.965)}}body[data-fx=low] .board-stage.combo-tier-1 #gameCanvas,body[data-fx=low] .board-stage.combo-tier-2 #gameCanvas,body[data-fx=low] .board-stage.combo-tier-3 #gameCanvas{filter:none!important;box-shadow:none!important;animation:none!important}body[data-fx=low] .board-stage.combo-tier-3:after{display:none!important}@media (prefers-reduced-motion:reduce){.board-stage.combo-tier-1 #gameCanvas,.board-stage.combo-tier-2 #gameCanvas,.board-stage.combo-tier-3 #gameCanvas{filter:none!important;animation:none!important}.board-stage.combo-tier-3:after{opacity:.4;animation:none!important}}