:root{--retro-face: #c0c0c0;--retro-shadow: #808080;--retro-dark: #404040;--retro-light: #ffffff;--retro-desktop: #008080}*{box-sizing:border-box}html,body{margin:0;padding:0}body{min-height:100vh;background:var(--retro-desktop);font-family:Tahoma,Geneva,Segoe UI,sans-serif;-webkit-font-smoothing:none;color:#000}.app{padding:12px}.app{min-height:100vh;min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:12px}.window{background:var(--retro-face);border:2px solid;border-color:var(--retro-light) var(--retro-dark) var(--retro-dark) var(--retro-light);box-shadow:inset 1px 1px 0 var(--retro-face),2px 2px #00000059;padding:3px}.game-window{width:min(96vw,460px)}.window-title{background:linear-gradient(90deg,navy,#1084d0);color:#fff;font-weight:700;padding:4px 8px;display:flex;align-items:center;letter-spacing:.5px;text-shadow:1px 1px 0 rgba(0,0,0,.4)}.window-body{padding:10px}.topbar{display:flex;align-items:stretch;justify-content:space-between;gap:8px;margin-bottom:10px}.score-panel{display:flex;gap:8px}.score-box{display:flex;flex-direction:column;align-items:center;min-width:64px;padding:2px 6px;background:#000;border:2px solid;border-color:var(--retro-dark) var(--retro-light) var(--retro-light) var(--retro-dark)}.score-label{font-size:10px;color:#6ce26c;text-transform:uppercase;letter-spacing:1px}.score-value{font-family:Courier New,monospace;font-size:22px;font-weight:700;color:#2aff2a;line-height:1.1;text-shadow:0 0 6px rgba(42,255,42,.6)}.controls{display:flex;gap:6px;align-items:center}.retro-btn{font-family:inherit;font-size:13px;padding:6px 12px;background:var(--retro-face);border:2px solid;border-color:var(--retro-light) var(--retro-dark) var(--retro-dark) var(--retro-light);box-shadow:inset 1px 1px #dfdfdf,inset -1px -1px 0 var(--retro-shadow);cursor:pointer;color:#000;-webkit-user-select:none;user-select:none}.retro-btn:active{border-color:var(--retro-dark) var(--retro-light) var(--retro-light) var(--retro-dark);box-shadow:inset 1px 1px 0 var(--retro-shadow);padding:7px 11px 5px 13px}.retro-btn--icon{font-size:16px;padding:5px 9px;line-height:1}.board-wrap{position:relative}.move-overlay{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:5}.moving-ball{position:absolute;top:0;left:0;will-change:transform}.board{--cells: 9;display:grid;grid-template-columns:repeat(var(--cells),1fr);gap:2px;padding:4px;background:var(--retro-shadow);border:2px solid;border-color:var(--retro-dark) var(--retro-light) var(--retro-light) var(--retro-dark);touch-action:manipulation}.cell{aspect-ratio:1 / 1;padding:0;border:2px solid;border-color:var(--retro-dark) var(--retro-light) var(--retro-light) var(--retro-dark);background:#bdbdbd;display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative}.cell:hover{background:#c8c8c8}.cell--blocked{animation:shake .28s linear}.ball{width:82%;height:82%;border-radius:50%;position:relative;box-shadow:inset -3px -4px 6px #00000073,2px 3px 4px #00000059;transform-origin:center}.ball:after{content:"";position:absolute;top:14%;left:20%;width:34%;height:26%;border-radius:50%;background:radial-gradient(circle at 40% 40%,#fffffff2,#fff0 70%);filter:blur(.5px)}.ball--red{background:radial-gradient(circle at 35% 30%,#ff8a8a,#e01e1e 55%,#7d0000)}.ball--green{background:radial-gradient(circle at 35% 30%,#a6ff9e,#17b800 55%,#054d00)}.ball--blue{background:radial-gradient(circle at 35% 30%,#9ac6ff,#1657e0 55%,#002766)}.ball--yellow{background:radial-gradient(circle at 35% 30%,#fff6a8,#f2c400 55%,#806300)}.ball--cyan{background:radial-gradient(circle at 35% 30%,#b6ffff,#10c6c6 55%,#005252)}.ball--magenta{background:radial-gradient(circle at 35% 30%,#ffb0f0,#d61ac2 55%,#5e0055)}.ball--orange{background:radial-gradient(circle at 35% 30%,#ffcf99,#ff7a00 55%,#9c3d00)}.ball--selected{animation:bounce .5s ease-in-out infinite}.ball--spawn{animation:pop-in .3s ease-out}.ball--clearing{animation:clear-out .32s ease-in forwards}@keyframes bounce{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-14%) scale(1.04)}}@keyframes pop-in{0%{transform:scale(.1);opacity:.2}70%{transform:scale(1.12)}to{transform:scale(1);opacity:1}}@keyframes clear-out{0%{transform:scale(1);opacity:1}to{transform:scale(0);opacity:0}}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-3px)}75%{transform:translate(3px)}}.settings{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:10px;padding:6px 8px;border:2px solid;border-color:var(--retro-dark) var(--retro-light) var(--retro-light) var(--retro-dark);background:#b8b8b8}.settings-label{font-size:12px;font-weight:700;color:#202020}.segmented{display:flex}.seg-btn{font-family:inherit;font-size:12px;padding:5px 12px;background:var(--retro-face);border:2px solid;border-color:var(--retro-light) var(--retro-dark) var(--retro-dark) var(--retro-light);cursor:pointer;color:#000;-webkit-user-select:none;user-select:none}.seg-btn+.seg-btn{margin-left:-2px}.seg-btn[aria-pressed=true]{border-color:var(--retro-dark) var(--retro-light) var(--retro-light) var(--retro-dark);background:#a8c8e8;box-shadow:inset 1px 1px 2px var(--retro-shadow);font-weight:700}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000073;display:flex;align-items:center;justify-content:center;z-index:10}.modal{width:min(88vw,300px);text-align:center}.modal .window-body{padding:16px}.modal p{margin:8px 0;font-size:15px}.new-best{color:#c00;font-weight:700;font-size:18px!important;animation:bounce .6s ease-in-out infinite}@media (prefers-reduced-motion: reduce){.ball--selected,.ball--spawn,.ball--clearing,.cell--blocked,.new-best{animation:none}}