.flip-page{max-width:1050px;margin:0 auto;padding:20px 12px 70px}.flip-back{display:inline-flex;align-items:center;gap:7px;color:#8d9bb0;text-decoration:none;font-size:.72rem;margin-bottom:12px}.flip-product{display:grid;grid-template-columns:330px 1fr;gap:20px;padding:18px;border-radius:22px;border:1px solid rgba(255,255,255,.08);background:linear-gradient(135deg,rgba(15,23,42,.9),rgba(6,10,18,.94));box-shadow:0 20px 55px rgba(0,0,0,.18)}.flip-product-media{min-height:225px;border-radius:17px;overflow:hidden;background:#080e19}.flip-product-media img{width:100%;height:100%;object-fit:cover}.flip-noimg{height:100%;display:grid;place-items:center;font-size:3rem;color:#6398f4}.flip-product-copy{align-self:center}.flip-kicker{font-size:.62rem;font-weight:900;letter-spacing:.13em;color:#75a6ff}.flip-product h1{font-size:1.55rem;margin:7px 0}.flip-short{color:#a1adbd;font-size:.82rem;line-height:1.55}.flip-desc{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px;margin:11px 0}.flip-desc span{font-size:.67rem;color:#8f9caf}.flip-desc i{color:#6da5ff;margin-right:6px}.flip-safe{display:flex;gap:9px;align-items:center;background:rgba(59,130,246,.07);border:1px solid rgba(96,165,250,.12);border-radius:13px;padding:10px}.flip-safe>i{color:#75a8ff}.flip-safe b,.flip-safe small{display:block}.flip-safe b{font-size:.7rem}.flip-safe small{font-size:.61rem;color:#77859a;margin-top:2px}.flip-step{margin-top:16px;padding:16px;border:1px solid rgba(255,255,255,.07);border-radius:19px;background:rgba(8,13,23,.72)}.flip-step-title{display:flex;gap:10px;align-items:center;margin-bottom:12px}.flip-step-title>span{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:rgba(59,130,246,.12);color:#77a9ff;font-size:.67rem;font-weight:900}.flip-step-title b,.flip-step-title small{display:block}.flip-step-title b{font-size:.86rem}.flip-step-title small{font-size:.64rem;color:#758399;margin-top:2px}.flip-tier-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:9px}.flip-tier{border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.025);color:#d6deeb;border-radius:14px;padding:12px;text-align:left;cursor:pointer;transition:.2s}.flip-tier:hover,.flip-tier.active{border-color:rgba(96,165,250,.42);background:rgba(59,130,246,.11);transform:translateY(-2px)}.flip-tier.disabled{opacity:.42}.flip-tier-name,.flip-tier strong,.flip-tier small,.flip-tier em{display:block}.flip-tier-name{font-size:.65rem;color:#8d9caf}.flip-tier strong{font-size:1rem;margin:4px 0;color:#e8f1ff}.flip-tier small{font-size:.59rem;color:#6f7d91}.flip-tier em{font-style:normal;font-size:.54rem;color:#f59e0b;margin-top:5px}.flip-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:11px;perspective:1000px}.flip-card{height:200px;border:0;background:transparent;padding:0;cursor:pointer;perspective:900px}.flip-card-inner{position:relative;display:block;width:100%;height:100%;transform-style:preserve-3d;transition:transform .7s cubic-bezier(.2,.8,.2,1)}.flip-card.flipped .flip-card-inner{transform:rotateY(180deg)}.flip-card-front,.flip-card-back{position:absolute;inset:0;backface-visibility:hidden;border-radius:17px;overflow:hidden;border:1px solid rgba(111,164,255,.24);box-shadow:0 14px 30px rgba(0,0,0,.2)}.flip-card-front{background:linear-gradient(150deg,#121d31,#07101e)}.flip-card-front:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(4,9,17,.85))}.flip-card-front img{width:100%;height:100%;object-fit:cover}.flip-card-front>i{height:100%;display:grid;place-items:center;color:#79aaff;font-size:2.3rem}.flip-card-front em{position:absolute;z-index:2;left:9px;bottom:9px;font-size:.58rem;font-style:normal;font-weight:900;letter-spacing:.08em;color:#dbeafe}.flip-card-back{transform:rotateY(180deg);display:grid;place-items:center;align-content:center;gap:4px;background:radial-gradient(circle at 50% 40%,rgba(59,130,246,.25),rgba(8,13,23,.98) 60%)}.flip-card-back b{font-size:3rem;color:#9dc2ff;text-shadow:0 0 28px rgba(96,165,250,.45)}.flip-card-back small{font-size:.59rem;color:#7790b3}.flip-card.locked:not(.chosen){opacity:.32}.flip-round-note{margin-top:10px;color:#748297;font-size:.61rem}.flip-round-note i{color:#6ea4ff;margin-right:5px}.flip-loading,.flip-win{position:fixed;inset:0;z-index:99999;display:grid;place-items:center}.flip-loading[hidden],.flip-win[hidden]{display:none}.flip-loading{background:rgba(2,6,12,.76);backdrop-filter:blur(8px)}.flip-loading-box{text-align:center}.flip-gift{width:88px;height:88px;border-radius:28px;margin:0 auto 13px;display:grid;place-items:center;background:linear-gradient(135deg,#2563eb,#7c3aed);font-size:2rem;color:#fff;animation:flipGift 1s ease-in-out infinite;box-shadow:0 0 50px rgba(59,130,246,.34)}@keyframes flipGift{50%{transform:translateY(-8px) rotate(-5deg) scale(1.05)}}.flip-loading-box b,.flip-loading-box span{display:block}.flip-loading-box b{font-size:.9rem}.flip-loading-box span{font-size:.63rem;color:#8290a4;margin-top:3px}.flip-win-bg{position:absolute;inset:0;background:rgba(2,6,12,.8);backdrop-filter:blur(10px)}.flip-win-card{position:relative;width:min(430px,calc(100vw - 24px));text-align:center;padding:28px 20px 20px;border-radius:24px;background:linear-gradient(165deg,#121b2d,#080d17);border:1px solid rgba(115,166,255,.25);box-shadow:0 25px 80px rgba(0,0,0,.48);overflow:hidden}.flip-win-card>button{position:absolute;right:10px;top:10px;width:32px;height:32px;border:0;border-radius:10px;background:rgba(255,255,255,.06);color:#aab6c7;cursor:pointer}.flip-rays{position:absolute;width:360px;height:360px;left:50%;top:-165px;transform:translateX(-50%);background:conic-gradient(from 0deg,transparent,#316fd433,transparent,#7c3aed33,transparent);animation:flipRay 8s linear infinite;border-radius:50%}@keyframes flipRay{to{transform:translateX(-50%) rotate(360deg)}}.flip-win-icon{position:relative;width:105px;height:105px;border-radius:30px;margin:0 auto 13px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(37,99,235,.22),rgba(124,58,237,.18));border:1px solid rgba(129,140,248,.3);font-size:2.3rem;color:#8db8ff;overflow:hidden;box-shadow:0 0 45px rgba(59,130,246,.2)}.flip-win-icon img{width:100%;height:100%;object-fit:cover}.flip-win-label{font-size:.59rem;font-weight:900;letter-spacing:.18em;color:#78aaff}.flip-win-card h2{font-size:1.3rem;margin:6px 0}.flip-win-card p{font-size:.72rem;color:#8b98ab;line-height:1.5}.flip-win-meta{display:flex;justify-content:center;gap:7px;flex-wrap:wrap}.flip-win-meta span{padding:6px 8px;border-radius:999px;background:rgba(255,255,255,.04);font-size:.58rem;color:#8998ad}.flip-win-actions{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:15px}.flip-win-actions a,.flip-win-actions button{border:0;border-radius:12px;padding:10px;text-decoration:none;background:#2563eb;color:white;font-weight:800;font-size:.67rem;cursor:pointer}.flip-win-actions button{background:rgba(255,255,255,.07);color:#c8d2df}.flip-modal-open{overflow:hidden}
@media(max-width:800px){.flip-product{grid-template-columns:1fr}.flip-product-media{height:210px}.flip-tier-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.flip-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:520px){.flip-page{padding:12px 8px 60px}.flip-product{padding:10px;border-radius:16px;gap:11px}.flip-product-media{height:155px;min-height:0;border-radius:13px}.flip-product h1{font-size:1.08rem}.flip-short{font-size:.68rem}.flip-desc{grid-template-columns:1fr;gap:4px}.flip-safe{padding:8px}.flip-step{padding:10px;border-radius:15px}.flip-tier-grid{gap:7px}.flip-tier{padding:10px;border-radius:12px}.flip-cards{gap:8px}.flip-card{height:150px}.flip-card-front,.flip-card-back{border-radius:13px}.flip-card-back b{font-size:2.4rem}}


/* v4 — card-first reveal animation */
.flip-loading{display:none!important}
.flip-card{position:relative;isolation:isolate}
.flip-card.chosen{z-index:5}
.flip-card.chosen .flip-card-front,.flip-card.chosen .flip-card-back{border-color:rgba(108,174,255,.72);box-shadow:0 0 0 1px rgba(95,165,255,.18),0 18px 42px rgba(0,0,0,.34),0 0 34px rgba(59,130,246,.24)}
.flip-card-back{overflow:hidden}
.flip-card-back:before{content:"";position:absolute;inset:-35%;background:conic-gradient(from 0deg,transparent,rgba(84,153,255,.18),transparent 34%,rgba(139,92,246,.18),transparent 68%);animation:flipBackAura 5s linear infinite;pointer-events:none}
.flip-card-question{position:relative;z-index:2;font-size:3.15rem;line-height:1;font-weight:900;color:#a9c9ff;text-shadow:0 0 18px rgba(96,165,250,.55),0 0 44px rgba(59,130,246,.3);animation:flipQuestionPulse 1.05s ease-in-out infinite}
.flip-card.chosen:not(.resolved) .flip-card-back:after{content:"";position:absolute;width:74px;height:74px;border-radius:50%;border:1px solid rgba(126,181,255,.22);box-shadow:0 0 30px rgba(59,130,246,.18);animation:flipQuestionRing 1.2s ease-out infinite}
.flip-card.shaking .flip-card-inner{animation:flipCardShake .82s cubic-bezier(.36,.07,.19,.97) both!important}
.flip-card.resolved .flip-card-inner{transform:rotateY(180deg)}
.flip-card.resolved .flip-card-back{background:radial-gradient(circle at 50% 30%,rgba(37,99,235,.28),rgba(8,13,23,.98) 67%);animation:flipResolvedPop .62s cubic-bezier(.17,.84,.44,1)}
.flip-card.resolved .flip-card-back:after{display:none}
.flip-card-result{position:relative;z-index:3;width:100%;height:100%;padding:14px;box-sizing:border-box;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;text-align:center}
.flip-card-result-media{width:76px;height:76px;border-radius:20px;overflow:hidden;display:grid;place-items:center;background:rgba(67,112,219,.15);border:1px solid rgba(126,174,255,.25);box-shadow:0 0 34px rgba(59,130,246,.2)}
.flip-card-result-media img{width:100%;height:100%;object-fit:cover}
.flip-card-result-media i{font-size:1.8rem;color:#9cc2ff}
.flip-card-result strong{max-width:92%;font-size:.75rem;line-height:1.25;color:#eef6ff;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.flip-card-result small{font-size:.52rem;font-weight:900;letter-spacing:.13em;color:#79adff}
.flip-card.burst:after{content:"";position:absolute;z-index:-1;left:50%;top:50%;width:70%;aspect-ratio:1;border-radius:50%;transform:translate(-50%,-50%);border:2px solid rgba(93,164,255,.42);animation:flipBurstRing .68s ease-out forwards;pointer-events:none}

@keyframes flipBackAura{to{transform:rotate(360deg)}}
@keyframes flipQuestionPulse{0%,100%{transform:scale(1);opacity:.82}50%{transform:scale(1.11);opacity:1}}
@keyframes flipQuestionRing{0%{transform:scale(.72);opacity:.65}100%{transform:scale(1.55);opacity:0}}
@keyframes flipCardShake{
  0%{transform:rotateY(180deg) translate3d(0,0,0) rotateZ(0)}
  10%{transform:rotateY(180deg) translate3d(-7px,1px,0) rotateZ(-1.6deg)}
  20%{transform:rotateY(180deg) translate3d(8px,-1px,0) rotateZ(1.8deg)}
  30%{transform:rotateY(180deg) translate3d(-9px,0,0) rotateZ(-2deg)}
  40%{transform:rotateY(180deg) translate3d(9px,1px,0) rotateZ(2deg)}
  50%{transform:rotateY(180deg) translate3d(-7px,-1px,0) rotateZ(-1.5deg)}
  60%{transform:rotateY(180deg) translate3d(6px,0,0) rotateZ(1.2deg)}
  70%{transform:rotateY(180deg) translate3d(-4px,1px,0) rotateZ(-.8deg)}
  80%{transform:rotateY(180deg) translate3d(3px,0,0) rotateZ(.5deg)}
  100%{transform:rotateY(180deg) translate3d(0,0,0) rotateZ(0)}
}
@keyframes flipResolvedPop{0%{filter:brightness(1);transform:scale(.96)}45%{filter:brightness(1.5);transform:scale(1.035)}100%{filter:brightness(1);transform:scale(1)}}
@keyframes flipBurstRing{0%{transform:translate(-50%,-50%) scale(.5);opacity:.8}100%{transform:translate(-50%,-50%) scale(1.85);opacity:0}}

@media(max-width:520px){
  .flip-card-question{font-size:2.55rem}
  .flip-card-result{padding:9px;gap:5px}
  .flip-card-result-media{width:58px;height:58px;border-radius:15px}
  .flip-card-result strong{font-size:.64rem}
}
.flip-tier.ui-locked{pointer-events:none;opacity:.58;transform:none!important}