*{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;overscroll-behavior:none;touch-action:manipulation}#app{min-height:100%;display:flex;align-items:flex-start;justify-content:center;padding:16px}.game{width:min(92vw,460px);display:flex;flex-direction:column;gap:14px}.crumb{font-size:14px}.crumb a{color:var(--accent);text-decoration:none;font-weight:700}.crumb a:hover{text-decoration:underline}.topbar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px}.title{font-size:clamp(34px,10vw,56px);font-weight:800;line-height:1;letter-spacing:-1px}.scores{display:flex;gap:8px}.score-box{background:var(--board-bg);color:var(--accent-text);border-radius:6px;padding:6px 14px;text-align:center;min-width:72px}.score-box .label{font-size:11px;text-transform:uppercase;letter-spacing:1px;opacity:.85;font-weight:700}.score-box .value{font-size:22px;font-weight:800;line-height:1.1}.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:var(--accent);color:var(--accent-text);border:none;border-radius:6px;padding:10px 16px;font-size:14px;font-weight:700;cursor:pointer;white-space:nowrap;transition:filter .12s ease}.btn:hover{filter:brightness(1.05)}.btn:active{filter:brightness(.95)}.board{--gap: clamp(3px, 1vw, 6px);display:grid;grid-template-columns:repeat(var(--cols),1fr);grid-template-rows:repeat(var(--rows),1fr);gap:var(--gap);width:100%;aspect-ratio:1 / 1;background:var(--board-bg);border-radius:10px;padding:var(--gap);touch-action:none;user-select:none;-webkit-user-select:none}.gem{border:none;border-radius:8px;padding:0;cursor:pointer;color:#fffffff2;background:var(--cell-bg);display:flex;align-items:center;justify-content:center;font-size:clamp(15px,5vw,26px);line-height:1;text-shadow:0 1px 2px rgba(0,0,0,.35);transition:transform 90ms ease,box-shadow .12s ease,filter .12s ease;touch-action:none}.gem:hover{filter:brightness(1.06)}.gem:active{transform:scale(.94)}.gem[data-color="0"]{background:#e23b4e}.gem[data-color="1"]{background:#2f7fe0}.gem[data-color="2"]{background:#27a559}.gem[data-color="3"]{background:#e0a020}.gem[data-color="4"]{background:#9b51e0}.gem[data-color="5"]{background:#17b3c4}.gem.selected{box-shadow:0 0 0 3px var(--accent),0 0 0 5px var(--overlay-bg);transform:scale(.9);z-index:2}.gem.clearing{animation:gem-clear .18s ease forwards}@keyframes gem-clear{0%{transform:scale(1);filter:brightness(1)}40%{transform:scale(1.18);filter:brightness(1.6)}to{transform:scale(.1);filter:brightness(2);opacity:0}}.gem.drop{animation:gem-drop .15s ease}@keyframes gem-drop{0%{transform:translateY(-14%);opacity:.4}to{transform:translateY(0);opacity:1}}.gem.reject{animation:gem-reject .3s ease}@keyframes gem-reject{0%,to{transform:translate(0)}25%{transform:translate(-8%)}75%{transform:translate(8%)}}