*{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100%;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;touch-action:manipulation}#app{min-height:100%;display:flex;align-items:center;justify-content:center;padding:16px}.game{width:min(94vw,440px);display:flex;flex-direction:column;gap:14px;--c4-frame-top: #3f8bff;--c4-frame-mid: #1f5be0;--c4-frame-bot: #143f9e;--c4-frame-edge: #0d2f78;--c4-red-hi: #ff9a86;--c4-red-mid: #ec3b2c;--c4-red-lo: #b31d13;--c4-yellow-hi: #fff0a6;--c4-yellow-mid: #ffcf33;--c4-yellow-lo: #e69b00;--c4-blue-btn: #1f5be0;--c4-blue-btn-text: #f4f8ff}.crumb{font-size:14px}.crumb a{color:var(--accent);text-decoration:none;font-weight:700}.crumb a:hover{text-decoration:underline}.topbar{display:flex;align-items:center;justify-content:space-between}.title{font-size:clamp(28px,8vw,44px);font-weight:800;line-height:1;letter-spacing:-1px}.stats{display:flex;gap:8px}.stat{flex:1;background:linear-gradient(180deg,#ffffff29,#fff0 60%),linear-gradient(180deg,var(--c4-frame-mid),var(--c4-frame-bot));color:var(--c4-blue-btn-text);border-radius:8px;padding:6px 10px;text-align:center;box-shadow:inset 0 1px #ffffff47,0 2px 6px #102c7847}.stat .label{font-size:10px;text-transform:uppercase;letter-spacing:1px;opacity:.9;font-weight:700}.stat .value{font-size:22px;font-weight:800;line-height:1.1}.status{font-size:16px;font-weight:700;text-align:center;min-height:22px}.board{position:relative;width:100%}.grid{display:grid;grid-template-columns:repeat(7,1fr);gap:2.2%;padding:3.4%;border-radius:18px;background:linear-gradient(180deg,#ffffff47,#fff0 16%),linear-gradient(180deg,var(--c4-frame-top) 0%,var(--c4-frame-mid) 46%,var(--c4-frame-bot) 100%);box-shadow:inset 0 2px #ffffff59,inset 0 -8px 16px #091e5280,inset 0 0 0 2px #ffffff14,0 14px 30px #0e286e66}.hole{aspect-ratio:1 / 1;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;overflow:hidden;box-shadow:inset 0 3px 6px #00000073,inset 0 -2px 3px #ffffff14,0 1px #ffffff2e}.disc{width:100%;height:100%;border-radius:50%;transform:scale(0);transition:transform 90ms ease}.disc.filled{transform:scale(1)}.disc.r{background:radial-gradient(circle at 32% 26%,#ffffffe6,#fff0 24%),radial-gradient(circle at 38% 34%,var(--c4-red-hi) 0%,var(--c4-red-mid) 52%,var(--c4-red-lo) 100%);box-shadow:inset 0 -4px 8px #5a080480,inset 0 3px 6px #ffffff59,0 2px 3px #00000059}.disc.y{background:radial-gradient(circle at 32% 26%,#fffffff2,#fff0 24%),radial-gradient(circle at 38% 34%,var(--c4-yellow-hi) 0%,var(--c4-yellow-mid) 52%,var(--c4-yellow-lo) 100%);box-shadow:inset 0 -4px 8px #784a0080,inset 0 3px 6px #ffffff73,0 2px 3px #00000059}.disc.win{box-shadow:inset 0 -4px 8px #0000004d,0 0 0 3px #fffffff2,0 0 16px 4px #ffec8ce6;animation:pop .62s ease infinite alternate;z-index:2}@keyframes pop{0%{transform:scale(1)}to{transform:scale(1.09)}}.disc.drop{animation:drop .38s cubic-bezier(.34,.02,.5,1)}@keyframes drop{0%{transform:translateY(calc(-160% * var(--drop-rows, 6))) scale(1)}58%{transform:translateY(0) scale(1)}70%{transform:translateY(0) scale(1.07,.9)}82%{transform:translateY(0) scale(.96,1.05)}92%{transform:translateY(0) scale(1.02,.99)}to{transform:translateY(0) scale(1)}}.cols{position:absolute;inset:0;display:grid;grid-template-columns:repeat(7,1fr);padding:3.4%;gap:2.2%;z-index:5}.col{border:none;background:transparent;border-radius:10px;cursor:pointer;transition:background .14s ease}.col:not(.full):hover{background:linear-gradient(180deg,#ffffff38,#ffffff0f)}.col.cursor{background:linear-gradient(180deg,#ffffff38,#ffffff0f);box-shadow:inset 0 0 0 3px #ffffffb3}.col.full{cursor:default}.controls{display:flex;align-items:center;justify-content:space-between;gap:10px}.how{font-size:13px;opacity:.85;flex:1}.how b{font-weight:700}.btn{background:linear-gradient(180deg,#ffffff3d,#fff0 55%),linear-gradient(180deg,var(--c4-frame-mid),var(--c4-frame-bot));color:var(--c4-blue-btn-text);border:none;border-radius:8px;padding:10px 16px;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap;box-shadow:inset 0 1px #ffffff4d,0 2px 6px #102c784d;transition:filter .12s ease}.btn:hover{filter:brightness(1.08)}.btn:active{filter:brightness(.95)}