/* Trí nhớ đôi — game view */
#view-memory{background:radial-gradient(120% 70% at 50% 0%,#2A1B4D,#160E30 70%);z-index:3;overflow:hidden}
.mm-scores{display:flex;gap:8px;padding:0 16px 8px;position:relative;z-index:2}
.mm-pscore{flex:1;display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:7px 10px;min-width:0;transition:background .3s,border-color .3s}
.mm-pscore.flash{border-color:var(--her);background:rgba(255,111,165,.16)}
.mm-av{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-family:var(--serif);font-weight:600;font-size:12px;color:#2A1440;background:linear-gradient(150deg,#FF9CC2,#FF5E9C);background-size:cover;background-position:center;flex:0 0 auto}
.mm-pname{font-size:12px;font-weight:600;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mm-pts{font-family:var(--serif);font-weight:700;font-size:15px;flex:0 0 auto}
.mm-toast{position:absolute;left:0;right:0;top:52px;text-align:center;font-family:var(--serif);font-size:15px;font-weight:700;color:var(--her);pointer-events:none;opacity:0;transition:opacity .25s,transform .25s;transform:translateY(-6px);z-index:6;padding:0 24px}
.mm-toast.on{opacity:1;transform:translateY(0)}
.mm-grid{flex:1;display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:8px 14px calc(16px + env(safe-area-inset-bottom,0px));align-content:start;overflow-y:auto;-webkit-overflow-scrolling:touch}
.mm-card{aspect-ratio:1;perspective:700px;background:none;padding:0;transition:transform .1s}
.mm-card:active{transform:scale(.94)}
.mm-inner{position:relative;width:100%;height:100%;transition:transform .45s cubic-bezier(.2,.9,.3,1);transform-style:preserve-3d}
.mm-card.flip .mm-inner{transform:rotateY(180deg)}
.mm-face{position:absolute;inset:0;border-radius:14px;display:grid;place-items:center;backface-visibility:hidden;-webkit-backface-visibility:hidden;font-size:24px}
.mm-back{background:var(--card);border:1px solid var(--line)}
.mm-back::after{content:'💗';font-size:18px;opacity:.5}
.mm-front{background:linear-gradient(150deg,rgba(255,111,165,.22),rgba(255,193,94,.14));border:1px solid var(--line);transform:rotateY(180deg)}
.mm-card.done .mm-front{background:linear-gradient(150deg,rgba(123,217,192,.30),rgba(123,217,192,.12));border-color:var(--mint)}
.mm-card.done{opacity:.82}
.mm-card.lucky .mm-front{background:linear-gradient(150deg,rgba(255,217,138,.4),rgba(255,111,165,.22));border-color:var(--him);box-shadow:0 0 16px -2px rgba(255,193,94,.65)}
.mm-levels{display:flex;gap:8px;width:100%;max-width:300px}
.mm-lvl{flex:1;padding:12px 6px;border-radius:14px;background:var(--card);border:1px solid var(--line);color:var(--ink);font-weight:700;font-size:14px;display:flex;flex-direction:column;align-items:center;gap:3px}
.mm-lvl span{font-size:11px;font-weight:500;color:var(--dim)}
.mm-lvl:active{transform:scale(.96);border-color:var(--her)}
.mm-confetti{position:absolute;bottom:12%;font-size:22px;pointer-events:none;animation:mmfall 1.6s ease-out forwards;z-index:12}
@keyframes mmfall{0%{transform:translate(0,0) scale(.6);opacity:0}15%{opacity:1}100%{transform:translate(var(--dx),-320px) scale(1.1);opacity:0}}