:root{--bg:#0d0d0f;--bg-elevated:#1a1a1f;--bg-glass:#ffffff0f;--text-primary:#f2f2f7;--text-secondary:#8e8e93;--accent:#7b61ff;--radius-sm:8px;--radius-md:12px;--radius-lg:16px;--radius-xl:24px;--shadow-sm:0 1px 3px #0000004d;--shadow-md:0 4px 16px #0006;--shadow-lg:0 8px 32px #00000080;--transition-spring:cubic-bezier(.34, 1.56, .64, 1);--transition-smooth:cubic-bezier(.4, 0, .2, 1);--transition-exit:cubic-bezier(.4, 0, 1, 1);--duration-micro:.12s;--duration-fast:.2s;--duration-standard:.3s;--duration-enter:.45s}[data-theme=light]{--bg:#f8f8fc;--bg-elevated:#fff;--bg-glass:#0000000d;--text-primary:#1c1c1e;--text-secondary:#6d6d72}[data-theme=high-contrast]{--bg:#000;--bg-elevated:#111;--bg-glass:#ffffff1a;--text-primary:#fff;--text-secondary:#ccc;--accent:#ffd60a}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none;margin:0;padding:0}html,body{background:var(--bg);width:100%;height:100%;color:var(--text-primary);touch-action:manipulation;font-family:Nunito,-apple-system,BlinkMacSystemFont,sans-serif;overflow:hidden}body{padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#app{width:100%;height:100%;position:relative}.hidden{display:none!important}body.cursor-hidden,body.cursor-hidden *{cursor:none!important}#landing{background:var(--bg);flex-direction:column;justify-content:center;align-items:center;gap:1.5rem;width:100%;height:100%;display:flex;position:relative;overflow:hidden}.landing-bg{pointer-events:none;z-index:0;position:absolute;inset:0;overflow:hidden}.landing-bg:before,.landing-bg:after{content:"";filter:blur(100px);opacity:.25;border-radius:50%;animation:12s ease-in-out infinite alternate orb-drift;position:absolute}.landing-bg:before{background:radial-gradient(circle,#7b61ff,#0000 70%);width:60vw;height:60vw;top:-20%;left:-10%}.landing-bg:after{background:radial-gradient(circle,#ff6b6b,#0000 70%);width:50vw;height:50vw;animation-direction:alternate-reverse;animation-delay:-6s;bottom:-15%;right:-10%}@keyframes orb-drift{0%{transform:translate(0)scale(1)}to{transform:translate(40px,-30px)scale(1.1)}}.landing-title{letter-spacing:-.02em;background:linear-gradient(135deg,#ff6b6b,#feca57,#48dbfb,#ff9ff3,#54a0ff,#7bed9f) 0 0/300% 300%;-webkit-text-fill-color:transparent;z-index:1;-webkit-background-clip:text;background-clip:text;font-size:clamp(5rem,18vw,20rem);font-weight:900;animation:4s infinite gradient-shift;position:relative}.landing-subtitle{color:var(--text-secondary);text-align:center;z-index:1;font-size:clamp(.95rem,3vw,2rem);font-weight:700;position:relative}.landing-cta{color:var(--text-primary);-webkit-backdrop-filter:blur(8px);background:var(--bg-glass);z-index:1;border:2px solid #fff3;border-radius:100px;margin-top:1rem;padding:.6em 1.8em;font-size:clamp(.9rem,3.5vw,2.5rem);font-weight:700;animation:2.5s ease-in-out infinite cta-pulse;position:relative}@keyframes cta-pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.7;transform:scale(1.04)}}.landing-hint{color:var(--text-secondary);opacity:.7;background:var(--bg-glass);-webkit-backdrop-filter:blur(4px);z-index:1;border-radius:100px;margin-top:.5rem;padding:.35em .9em;font-size:clamp(.7rem,2vw,.875rem);font-weight:600;position:relative}.landing-icons{opacity:.25;filter:blur(1px);z-index:1;gap:clamp(.5rem,1.5vw,1rem);font-size:clamp(1.2rem,2.5vw,1.8rem);display:flex;position:absolute;bottom:8vh;left:50%;transform:translate(-50%)}@keyframes gradient-shift{0%,to{background-position:0%}50%{background-position:100%}}#stage{background:var(--bg);width:100%;height:100%;transition:background-color var(--duration-standard) var(--transition-smooth);flex-direction:column;justify-content:center;align-items:center;display:flex;position:relative}#stage.color-flood{transition:background-color .15s var(--transition-smooth)}#particles{pointer-events:none;z-index:1;width:100%;height:100%;position:absolute;top:0;left:0}#display{letter-spacing:-.02em;z-index:2;pointer-events:none;text-align:center;font-size:clamp(6rem,30vw,40rem);font-weight:900;line-height:1.1}#sub-display{z-index:2;pointer-events:none;text-align:center;word-wrap:break-word;overflow-wrap:anywhere;max-width:90vw;margin-top:1rem;font-size:clamp(1.5rem,7vw,6rem);font-weight:700}#mode-badge{left:max(1rem, env(safe-area-inset-left,1rem));bottom:max(1rem, env(safe-area-inset-bottom,1rem));text-transform:uppercase;letter-spacing:.08em;color:var(--text-secondary);background:var(--bg-glass);-webkit-backdrop-filter:blur(8px);z-index:3;opacity:0;pointer-events:none;transition:opacity var(--duration-standard) var(--transition-smooth);border-radius:100px;padding:.35em .9em;font-size:clamp(.7rem,1.5vw,.85rem);font-weight:700;position:fixed}#mode-badge.visible{opacity:1}.pop-in{animation:pop-in .4s var(--transition-spring) forwards}.visible{opacity:1}.fade-out{animation:fade-out .8s var(--transition-exit) forwards}@keyframes pop-in{0%{opacity:0;transform:scale(0)}to{opacity:1;transform:scale(1)}}@keyframes fade-out{0%{opacity:1}to{opacity:0}}#parent-zone{z-index:10;cursor:default;justify-content:center;align-items:center;width:100px;height:100px;display:flex;position:fixed;top:0;left:0}#hold-indicator{opacity:0;width:44px;height:44px;transition:opacity .15s;position:relative}#parent-zone:active #hold-indicator,#parent-zone.holding #hold-indicator{opacity:1}.hold-icon{justify-content:center;align-items:center;font-size:1.1rem;display:flex;position:absolute;inset:0}.hold-ring-bg{fill:none;stroke:#ffffff26;stroke-width:3px}.hold-ring{fill:none;stroke:#fff;stroke-width:3px;stroke-linecap:round;stroke-dasharray:113;stroke-dashoffset:113px;transform-origin:22px 22px;transition:stroke-dashoffset 3s linear;transform:rotate(-90deg)}#parent-zone.holding .hold-ring{stroke-dashoffset:0}#parent-menu{z-index:100;position:fixed;inset:0}#parent-menu.menu-entering .menu-backdrop,#parent-menu.menu-visible .menu-backdrop{opacity:1}#parent-menu.menu-exiting .menu-backdrop{opacity:0}.menu-backdrop{-webkit-backdrop-filter:blur(8px);opacity:0;transition:opacity var(--duration-standard) var(--transition-smooth);background:#00000080;position:fixed;inset:0}.menu-panel{background:var(--bg-elevated);border-radius:var(--radius-xl) 0 0 var(--radius-xl);width:min(420px,100vw);height:100dvh;box-shadow:var(--shadow-lg);padding:2rem;padding-bottom:max(2rem, env(safe-area-inset-bottom));transition:transform var(--duration-enter) var(--transition-spring);z-index:1;position:fixed;top:0;right:0;overflow-y:auto;transform:translate(100%)}#parent-menu.menu-entering .menu-panel,#parent-menu.menu-visible .menu-panel{transform:translate(0)}#parent-menu.menu-exiting .menu-panel{transition:transform .28s var(--transition-exit);transform:translate(110%)}.menu-header{justify-content:space-between;align-items:center;margin-bottom:1.5rem;display:flex}.menu-header h2{color:var(--text-primary);font-size:1.25rem;font-weight:800}.menu-close{background:var(--bg-glass);border-radius:var(--radius-md);width:44px;height:44px;color:var(--text-secondary);cursor:pointer;transition:background var(--duration-micro) var(--transition-smooth), transform var(--duration-micro) var(--transition-spring);border:none;justify-content:center;align-items:center;font-family:inherit;font-size:1.25rem;display:flex}.menu-close:active{transform:scale(.92)}.menu-counter{color:var(--text-secondary);font-size:.75rem;font-weight:700}.menu-group{border-bottom:1px solid var(--bg-glass);margin-bottom:1.5rem;padding-bottom:1.5rem}.menu-group:last-of-type{border-bottom:none}.menu-group>label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em;margin-bottom:.75rem;font-size:clamp(.75rem,1.8vw,.85rem);font-weight:600;display:block}.menu-modes{grid-template-columns:repeat(3,1fr);gap:.75rem;display:grid}@media (width<=400px){.menu-modes{grid-template-columns:repeat(2,1fr)}}.mode-card{background:var(--bg-glass);border-radius:var(--radius-lg);cursor:pointer;transition:transform var(--duration-micro) var(--transition-spring), background var(--duration-fast) var(--transition-smooth), border-color var(--duration-fast) var(--transition-smooth);border:1.5px solid #0000;flex-direction:column;align-items:center;padding:.875rem .5rem;font-family:inherit;display:flex}.mode-card:active{transform:scale(.95)}.mode-card .mode-icon{font-size:1.75rem;line-height:1}.mode-card .mode-name{text-transform:uppercase;letter-spacing:.06em;color:var(--text-secondary);margin-top:.4rem;font-size:.7rem;font-weight:700}.mode-card.active{border-color:var(--accent);background:#7b61ff33}[data-theme=high-contrast] .mode-card.active{border-color:var(--accent);background:#ffd60a33}.mode-card.active .mode-name{color:var(--text-primary)}.toggle-row{align-items:center;gap:.75rem;display:flex}.toggle-switch{cursor:pointer;width:52px;height:28px;display:inline-block;position:relative}.toggle-switch input{opacity:0;width:0;height:0;position:absolute}.toggle-slider{transition:background var(--duration-fast) var(--transition-spring);background:#3a3a3e;border-radius:100px;position:absolute;inset:0}.toggle-slider:before{content:"";width:22px;height:22px;transition:transform var(--duration-fast) var(--transition-spring);box-shadow:var(--shadow-sm);background:#fff;border-radius:50%;position:absolute;bottom:3px;left:3px}.toggle-switch input:checked+.toggle-slider{background:var(--accent)}.toggle-switch input:checked+.toggle-slider:before{transform:translate(24px)}.menu-group-hint{color:var(--text-secondary);margin-top:.35rem;font-size:.75rem}.toggle-label{color:var(--text-secondary);font-size:clamp(.875rem,2vw,1rem);font-weight:600}.theme-options{gap:.5rem;display:flex}.theme-btn{background:var(--bg-glass);border-radius:var(--radius-md);color:var(--text-secondary);cursor:pointer;transition:transform var(--duration-micro) var(--transition-spring), background var(--duration-fast) var(--transition-smooth), border-color var(--duration-fast) var(--transition-smooth);border:1.5px solid #0000;flex:1;padding:.6rem .5rem;font-family:inherit;font-size:clamp(.7rem,1.8vw,.8rem);font-weight:700}.theme-btn:active{transform:scale(.95)}.theme-btn.active{border-color:var(--accent);color:var(--text-primary);background:#7b61ff33}[data-theme=high-contrast] .theme-btn.active{border-color:var(--accent);color:var(--text-primary);background:#ffd60a33}select{background:var(--bg);color:var(--text-primary);border:1.5px solid var(--bg-glass);border-radius:var(--radius-md);cursor:pointer;appearance:none;width:100%;padding:.5rem .75rem;font-family:inherit;font-size:1rem;font-weight:600}select:focus{outline:2px solid var(--accent);outline-offset:2px}.menu-panel button{cursor:pointer;font-family:inherit}#exit-fullscreen{background:var(--bg-glass);border-radius:var(--radius-md);width:100%;color:var(--text-secondary);cursor:pointer;transition:transform var(--duration-micro) var(--transition-spring), background var(--duration-fast) var(--transition-smooth);border:1.5px solid #0000;padding:.7rem;font-family:inherit;font-size:clamp(.875rem,2vw,1rem);font-weight:700}#exit-fullscreen:active{transform:scale(.97)}.menu-about{text-align:center;color:var(--text-secondary);opacity:.5;margin-top:1.5rem;font-size:.75rem;font-weight:600}.shape{width:25vw;height:25vw;display:inline-block}.shape-circle{clip-path:circle(50%)}.shape-square{border-radius:8px}.shape-triangle{clip-path:polygon(50% 0%,0% 100%,100% 100%)}.shape-star{clip-path:polygon(50% 0%,61% 35%,98% 35%,68% 57%,79% 91%,50% 70%,21% 91%,32% 57%,2% 35%,39% 35%)}.shape-heart{clip-path:polygon(50% 30%,20% 0%,0% 20%,0% 45%,50% 100%,100% 45%,100% 20%,80% 0%)}.shape-diamond{clip-path:polygon(50% 0%,100% 50%,50% 100%,0% 50%)}.shape-oval{clip-path:ellipse(50% 35%)}.shape-pentagon{clip-path:polygon(50% 0%,100% 38%,82% 100%,18% 100%,0% 38%)}.shape-hexagon{clip-path:polygon(25% 0%,75% 0%,100% 50%,75% 100%,25% 100%,0% 50%)}.shape-arrow{clip-path:polygon(50% 0%,100% 40%,70% 40%,70% 100%,30% 100%,30% 40%,0% 40%)}.landing-cta,.mode-card,.theme-btn,#exit-fullscreen,.menu-panel select{min-height:48px}[data-theme=light] .landing-bg:before{opacity:.12;background:radial-gradient(circle,#7b61ff,#0000 70%)}[data-theme=light] .landing-bg:after{opacity:.1;background:radial-gradient(circle,#ff6b6b,#0000 70%)}[data-theme=high-contrast] *{-webkit-backdrop-filter:none!important}[data-theme=high-contrast] .landing-cta{border-color:var(--text-primary);background:var(--bg)}[data-theme=high-contrast] #mode-badge{background:var(--bg-elevated);border:1px solid var(--text-secondary)}[data-theme=high-contrast] .menu-panel{border-left:2px solid var(--text-secondary)}[data-theme=high-contrast] .mode-card{border-color:var(--text-secondary)}[data-theme=high-contrast] .toggle-slider{background:var(--text-secondary)}[data-theme=high-contrast] select{border-color:var(--text-secondary)}@media (prefers-reduced-motion:reduce){.landing-bg:before,.landing-bg:after,.landing-title,.landing-cta,.pop-in,.fade-out{animation:none!important}#stage,#stage.color-flood,#mode-badge{transition:none!important}}