.stage-dialog{position:fixed;inset:0;width:100%;max-width:none;height:calc(100% - 70px);max-height:none;margin:0;border:0;border-radius:0;color:#fff;background:radial-gradient(circle at 50% 10%,#3152ad,#0a1235 68%);padding:18px max(18px,calc((100vw - 600px)/2));overflow:auto}.stage-dialog::backdrop{background:#050a22}.stage-head{display:grid;grid-template-columns:46px 1fr auto;align-items:center;gap:12px}.stage-head button{width:44px;height:44px;border-radius:50%;background:#ffffff18;color:#fff;font-size:25px}.stage-head small{color:#a9c8ff}.stage-head h2{margin:2px 0;font-size:27px}.stage-head>b{background:#ffffff16;padding:9px;border-radius:14px;color:#ffe56c}.puzzle-board{width:min(100%,420px);aspect-ratio:3/2;margin:18px auto 8px;display:grid;grid-template-columns:repeat(3,1fr);grid-template-rows:repeat(2,1fr);gap:4px;padding:5px;border-radius:20px;background:#060c29;box-shadow:0 12px 30px #0007}.puzzle-piece{position:relative;overflow:hidden;border-radius:9px;background-color:#1c2858;background-repeat:no-repeat;background-size:300% 200%;filter:grayscale(1) brightness(.25)}.puzzle-piece.locked:after{content:'?';position:absolute;inset:0;display:grid;place-items:center;font-size:34px;color:#91a1cf}.puzzle-piece.owned{filter:none;animation:pieceIn .65s}.puzzle-piece.new-piece{box-shadow:inset 0 0 0 4px #ffe45c,0 0 20px #ffe45c}.puzzle-hint{text-align:center;color:#bcd2ff;margin:8px}.stage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px auto;max-width:520px}.stage-node{min-height:96px;border-radius:20px;color:#fff;background:linear-gradient(150deg,#2c67cf,#273a89);box-shadow:0 6px 0 #071236;padding:10px}.stage-node span,.stage-node b,.stage-node small{display:block}.stage-node span{font-size:29px}.stage-node small{color:#c8d9ff;margin-top:3px}.stage-node.locked{background:#283050;color:#7d89ad;box-shadow:0 6px 0 #070b1d}.stage-node.done{background:linear-gradient(150deg,#2eaa88,#2663a1)}.stage-node.boss{background:linear-gradient(150deg,#a13ba7,#4b2d8f)}.puzzle-reward{display:flex;align-items:center;justify-content:center;gap:12px;margin:8px 0 14px;padding:11px;border-radius:17px;background:#fff2b5;color:#7c5200}.puzzle-reward>span{font-size:42px}.puzzle-reward b,.puzzle-reward small{display:block}.puzzle-reward small{margin-top:3px}.puzzle-reward.reveal{animation:rewardIn .7s}@keyframes pieceIn{0%{transform:scale(.2) rotate(-15deg);opacity:0}}@keyframes rewardIn{0%{transform:translateY(-25px) scale(.7);opacity:0}70%{transform:scale(1.08)}}@media(max-width:430px){.stage-grid{gap:8px}.stage-node{min-height:84px;padding:7px}.stage-node span{font-size:24px}.stage-head h2{font-size:22px}}