[data-theme="arcade"] *{scrollbar-width:thin;scrollbar-color:rgba(0,240,255,0.5) rgba(8,7,24,0.7)}[data-theme="arcade"]::-webkit-scrollbar-track{background:linear-gradient( 90deg,rgba(8,7,24,0.5) 0%,rgba(18,15,44,0.6) 100% );border:1px solid rgba(0,240,255,0.12)}[data-theme="arcade"]::-webkit-scrollbar-thumb{background:linear-gradient( 180deg,rgba(0,240,255,0.55) 0%,rgba(232,56,255,0.45) 50%,rgba(0,240,255,0.55) 100% );border:2px solid rgba(8,7,24,0.8);box-shadow:0 0 8px rgba(0,240,255,0.3),inset 0 0 4px rgba(255,255,255,0.1)}[data-theme="arcade"]::-webkit-scrollbar-thumb:hover{background:linear-gradient( 180deg,rgba(0,240,255,0.75) 0%,rgba(232,56,255,0.65) 50%,rgba(0,240,255,0.75) 100% );box-shadow:0 0 12px rgba(0,240,255,0.5),inset 0 0 6px rgba(255,255,255,0.15)}[data-theme="arcade"] body{font-family:var(--t-font-body);color:var(--t-text-primary)}[data-theme="arcade"] .quantris-title-text,[data-theme="arcade"] h1,[data-theme="arcade"] h2,[data-theme="arcade"] h3{font-family:var(--t-font-display);text-shadow:0 0 12px rgba(0,240,255,0.6),0 0 32px rgba(232,56,255,0.4),0 0 60px rgba(255,77,143,0.3)}[data-theme="arcade"] .quantris-title-text{color:transparent;background-image:linear-gradient( 95deg,#00f0ff 0%,#e838ff 55%,#ff4d8f 100% );-webkit-background-clip:text;background-clip:text;animation:arcade-title-pulse 2.6s ease-in-out infinite}@keyframes arcade-title-pulse{0%,100%{filter:brightness(1)}50%{filter:brightness(1.25)}}[data-theme="arcade"] .quantris-title-logo{filter:drop-shadow(0 0 14px rgba(0,240,255,0.55))}[data-theme="arcade"] .quantris-tagline{text-shadow:0 0 14px rgba(0,240,255,0.25)}[data-theme="arcade"] .quantris-tagline span{background-image:linear-gradient(95deg,#e838ff,#00f0ff);-webkit-background-clip:text;background-clip:text;color:transparent}[data-theme="arcade"] body.quantris-app{background:radial-gradient(140% 120% at 50% 0%,rgba(11,10,31,0.94),rgba(5,4,15,0.97)),linear-gradient(135deg,#05040f 0%,#120f2c 42%,#1a1436 100%);animation:arcade-flicker 6s infinite}@keyframes arcade-flicker{0%,96%,100%{opacity:1}97%{opacity:0.94}98%{opacity:1}99%{opacity:0.97}}[data-theme="arcade"] body.quantris-app::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:var(--z-overlay);background:repeating-linear-gradient( to bottom,rgba(0,0,0,0) 0px,rgba(0,0,0,0) 2px,rgba(0,0,0,0.22) 3px,rgba(0,0,0,0) 4px );mix-blend-mode:multiply;opacity:0.6}[data-theme="arcade"] #main-menu::before,[data-theme="arcade"] #main-menu::after{content:"";position:absolute;inset:0;pointer-events:none;z-index:var(--z-base)}[data-theme="arcade"] #main-menu::before{background:radial-gradient( 120% 80% at 50% 0%,rgba(232,56,255,0.18) 0%,transparent 60% );opacity:0.8}[data-theme="arcade"] #main-menu::after{background:radial-gradient( 120% 90% at 50% 100%,rgba(0,240,255,0.14) 0%,transparent 60% );mix-blend-mode:screen;opacity:0.5}[data-theme="arcade"] #game-view{background:radial-gradient( 140% 120% at 50% 0%,rgba(0,240,255,0.18) 0%,rgba(9,7,26,0.92) 55%,rgba(3,2,10,0.94) 100% ),rgba(5,4,15,0.92)}[data-theme="arcade"] .game-board-frame{--_frame:3px;border-color:rgba(232,56,255,0.5);background:linear-gradient( 170deg,rgba(11,10,31,0.96) 0%,rgba(8,6,22,0.92) 55%,rgba(5,4,15,0.94) 100% );box-shadow:0 20px 44px rgba(2,2,10,0.7),-8px 8px 24px -6px rgba(0,240,255,0.35),8px 8px 24px -6px rgba(232,56,255,0.35),0 6px 20px -2px rgba(0,240,255,0.3),inset 0 -16px 32px -12px rgba(0,240,255,0.14)}[data-theme="arcade"] .game-board-frame::after{content:"";position:absolute;left:0;right:0;bottom:calc(-1 * var(--_frame));height:var(--_frame);pointer-events:none;background:linear-gradient( 90deg,rgba(232,56,255,0.7) 0%,rgba(0,240,255,0.85) 30%,rgba(255,77,143,0.85) 50%,rgba(0,240,255,0.85) 70%,rgba(232,56,255,0.7) 100% );box-shadow:0 0 8px 1px rgba(0,240,255,0.55),0 0 20px 4px rgba(0,240,255,0.25),0 4px 12px rgba(232,56,255,0.2)}[data-theme="arcade"] .game-hud{background:rgba(8,6,22,0.5);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom-color:rgba(0,240,255,0.16)}[data-theme="arcade"] .game-hud-button{background:transparent;border-color:transparent;box-shadow:none;color:rgba(200,240,255,0.7)}[data-theme="arcade"] .game-hud-button:hover{background:rgba(0,240,255,0.1);color:rgba(230,250,255,0.95);border-color:rgba(0,240,255,0.25);box-shadow:none}[data-theme="arcade"] .game-hud-button:focus-visible{background:rgba(0,240,255,0.1);color:rgba(230,250,255,0.95);border-color:rgba(0,240,255,0.25);box-shadow:var(--focus-ring-shadow)}[data-theme="arcade"] .game-hud-button[data-variant="danger"]{background:linear-gradient(140deg,rgba(50,12,30,0.92),rgba(20,6,24,0.96));border-color:rgba(255,45,95,0.55);color:rgba(255,190,210,0.92);box-shadow:inset 0 0 18px rgba(255,45,95,0.25),0 12px 28px rgba(6,3,16,0.68)}[data-theme="arcade"] .hud-value,[data-theme="arcade"] .game-score-value,[data-theme="arcade"] .game-level-value,[data-theme="arcade"] .game-lines-value,[data-theme="arcade"] .game-hud-stat-value{font-family:var(--t-font-display);color:var(--t-hud-value);text-shadow:0 0 16px rgba(0,240,255,0.4)}[data-theme="arcade"] .hud-label,[data-theme="arcade"] .game-hud-label{font-family:var(--t-font-body);color:var(--t-hud-label);text-transform:uppercase;letter-spacing:0.06em}[data-theme="arcade"] .quantris-overlay{background:var(--t-modal-backdrop)}[data-theme="arcade"] .quantris-modal{background:var(--t-modal-bg);border:1px solid rgba(0,240,255,0.3);box-shadow:var(--t-modal-shadow)}[data-theme="arcade"] .level-card,[data-theme="arcade"] .mode-select-card{border-color:rgba(0,240,255,0.22);background:var(--t-card-bg);box-shadow:var(--t-card-shadow);color:var(--t-text-primary)}[data-theme="arcade"] .level-card:hover,[data-theme="arcade"] .mode-select-card:hover{border-color:rgba(232,56,255,0.5);box-shadow:0 8px 24px rgba(0,0,0,0.5),0 0 16px rgba(232,56,255,0.25)}[data-theme="arcade"] .level-title{text-shadow:0 0 18px rgba(0,240,255,0.35)}[data-theme="arcade"] .q-button,[data-theme="arcade"] .menu-action-button{background-image:linear-gradient( 120deg,rgba(232,56,255,0.92) 0%,rgba(0,240,255,0.9) 50%,rgba(255,77,143,0.92) 100% );background-size:200% 100%;border-color:rgba(0,240,255,0.4);color:#05040f;text-shadow:0 0 8px rgba(255,255,255,0.3);box-shadow:0 18px 32px rgba(4,3,16,0.68),0 0 12px rgba(0,240,255,0.25),inset 0 1px 0 rgba(255,255,255,0.18)}[data-theme="arcade"] .q-button:hover,[data-theme="arcade"] .menu-action-button:hover{background-position:100% 0;box-shadow:0 24px 40px rgba(6,4,20,0.72),0 0 22px rgba(232,56,255,0.35),0 0 12px rgba(0,240,255,0.3);border-color:rgba(255,255,255,0.4)}[data-theme="arcade"] .q-button.q-button.q-button:focus-visible{box-shadow:0 0 0 2px rgba(8,6,22,0.9),0 0 0 4px rgba(255,77,143,0.8),0 0 20px rgba(255,77,143,0.5),0 0 40px rgba(0,240,255,0.3),0 18px 32px rgba(4,3,16,0.62),inset 0 1px 0 rgba(255,255,255,0.15)}[data-theme="arcade"] .focus-rect-overlay{box-shadow:0 0 0 2px rgba(8,6,22,0.9),0 0 0 4px rgba(255,77,143,0.8),0 0 20px rgba(255,77,143,0.5),0 0 40px rgba(0,240,255,0.3),0 18px 32px rgba(4,3,16,0.62)}[data-theme="arcade"] .menu-help-button,[data-theme="arcade"] .menu-account-button{background:var(--t-btn-bg);border-color:rgba(0,240,255,0.35);box-shadow:0 2px 8px rgba(0,0,0,0.5);color:var(--t-btn-text)}[data-theme="arcade"] .menu-help-button:hover,[data-theme="arcade"] .menu-account-button:hover{border-color:rgba(232,56,255,0.6);box-shadow:0 4px 12px rgba(0,0,0,0.5),0 0 12px rgba(232,56,255,0.3)}[data-theme="arcade"] .quantris-menu-footer{border-top-color:rgba(0,240,255,0.2);background:linear-gradient( 180deg,rgba(8,6,22,0.94) 0%,rgba(5,4,15,0.92) 100% );box-shadow:inset 0 1px 0 rgba(255,255,255,0.05);backdrop-filter:blur(12px)}[data-theme="arcade"] .quantris-footer-link:hover,[data-theme="arcade"] .quantris-footer-link:focus-visible{text-shadow:0 0 14px rgba(0,240,255,0.6)}