/* ============ SHOWCASE TEMPLATE v3 ============ */
*{box-sizing:border-box;margin:0;padding:0}
body{min-height:100vh;background:radial-gradient(ellipse at 30% 20%,#1a1408 0%,transparent 60%),radial-gradient(ellipse at 70% 80%,#14081a 0%,transparent 60%),#0d0a0f;font-family:'Segoe UI',sans-serif;display:grid;place-items:center;padding:20px;overflow:hidden}
.wrap{width:100%;max-width:460px;display:flex;flex-direction:column;align-items:center;gap:18px;position:relative;transition:max-width .4s}
.wrap.wide{max-width:820px}
.ratio-btn{position:absolute;top:-6px;right:0;z-index:20;padding:6px 14px;border:1px solid rgba(255,215,102,.5);border-radius:20px;background:rgba(0,0,0,.6);color:#ffd766;font-family:'Consolas',monospace;font-size:11px;font-weight:700;cursor:pointer;transition:.2s}
.ratio-btn:hover{background:rgba(255,215,102,.2)}
.shimmer-title{font-size:2rem;font-weight:800;letter-spacing:1px;text-align:center;background:linear-gradient(90deg,#ffd766,#ff6b6b,#ffd766);background-size:300% 100%;-webkit-background-clip:text;background-clip:text;color:transparent;animation:shimmer 7s ease-in-out infinite;filter:drop-shadow(0 4px 12px rgba(0,0,0,.6))}
@keyframes shimmer{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}

.device{width:100%;display:flex;flex-direction:column;align-items:center}
.frame{position:relative;width:100%;padding:12px;background:#15151b;border-radius:38px;box-shadow:0 0 0 2px rgba(255,215,102,.3),0 0 40px rgba(255,215,102,.1),0 30px 80px rgba(0,0,0,.7);transition:border-radius .4s,padding .4s}
.notch{position:absolute;top:12px;left:50%;transform:translateX(-50%);width:86px;height:18px;background:#000;border:1px solid #1a1a22;border-top:none;border-radius:0 0 12px 12px;z-index:20;display:flex;align-items:center;justify-content:flex-end;padding-right:10px}
.notch::after{content:"";width:6px;height:6px;border-radius:50%;background:#3a2a12;box-shadow:0 0 4px #ffd766}
.stand-neck,.stand-base{display:none}
.device.wide .frame{padding:10px;border-radius:16px}
.device.wide .notch{display:none}
.device.wide .stand-neck{display:block;width:70px;height:46px;background:linear-gradient(#2a2a30,#15151b)}
.device.wide .stand-base{display:block;width:230px;height:14px;background:linear-gradient(#3a3a40,#15151b);border-radius:8px;box-shadow:0 10px 30px rgba(0,0,0,.6)}
.frame-inner{position:relative;background:#050508;border-radius:26px;overflow:hidden;height:calc(100vh - 170px);max-height:calc(94vw * 16 / 9);aspect-ratio:9/16;display:flex;flex-direction:column;margin:0 auto}
.device.wide .frame-inner{aspect-ratio:16/9;height:auto;max-height:70vh;border-radius:10px}

.stage{flex:0 0 52%;background:#0d0a06;display:flex;justify-content:center;align-items:center;padding:12px;position:relative;overflow:hidden}
.stage::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,215,102,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,215,102,.04) 1px,transparent 1px);background-size:28px 28px;pointer-events:none}
.btn-wrap{position:relative;z-index:2;width:100%;height:100%;display:grid;place-items:center;opacity:0;transform:translateY(10px);transition:opacity .6s,transform .6s}
.btn-wrap.show{opacity:1;transform:translateY(0)}
.divider{height:2px;background:linear-gradient(90deg,transparent,rgba(255,215,102,.3),transparent);flex-shrink:0}
.code-area{flex:1;background:#120d08;position:relative;overflow:hidden;padding:14px 16px}
.code-inner{font-family:'Consolas','Courier New',monospace;font-size:.82rem;line-height:1.5;color:#ffe9c9;white-space:pre-wrap;word-break:break-word;height:100%;overflow:hidden}
.code-inner .kw{color:#ffd766}.code-inner .str{color:#ffe9a8}.code-inner .num{color:#ff6b6b}
.code-inner .cmt{color:#7a6a4a;font-style:italic}.code-inner .fn{color:#ffd766}.code-inner .prop{color:#ffd766}
.cursor{display:inline-block;width:8px;height:1em;background:#ffd766;vertical-align:-2px;margin-left:2px;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.arrow{position:absolute;top:36%;transform:translateY(-50%);width:36px;height:36px;border:1px solid rgba(255,215,102,.3);background:rgba(0,0,0,.6);color:#ffd766;font-size:1.3rem;border-radius:50%;cursor:pointer;z-index:10;opacity:0;transition:opacity .25s,background .25s,transform .25s;backdrop-filter:blur(6px)}
.frame-inner:hover .arrow{opacity:1}
.arrow:hover{background:rgba(255,215,102,.3);transform:translateY(-50%) scale(1.1)}
.arrow.left{left:10px}.arrow.right{right:10px}
.brand{position:absolute;bottom:10px;right:14px;font-size:11px;font-weight:800;letter-spacing:3px;color:rgba(255,215,102,.3);z-index:5}

/* ============ POPUPS SHARED ============ */
.pm{display:grid;place-items:center;width:100%;height:100%}
.pm-open{padding:12px 22px;border:1px solid rgba(255,215,102,.5);background:rgba(0,0,0,.5);color:#ffd766;border-radius:30px;font-family:'Consolas',monospace;font-size:12px;letter-spacing:2px;cursor:pointer;transition:.2s}
.pm-open:hover{background:rgba(255,215,102,.15)}
.pm-box{position:relative;width:94%;max-width:280px;background:#15151b;border:1px solid rgba(255,215,102,.35);border-radius:16px;padding:18px 14px;text-align:center;font-family:'Consolas',monospace;color:#eee;box-shadow:0 20px 60px rgba(0,0,0,.6);animation:pm-in .35s cubic-bezier(.34,1.56,.64,1)}
@keyframes pm-in{from{transform:scale(.7);opacity:0}}
.pm-box.hidden{display:none}
.pm-title{font-size:12px;letter-spacing:3px;color:#ffd766;margin-bottom:10px}
.pm-close{position:absolute;top:6px;right:10px;background:none;border:none;color:#777;font-size:16px;cursor:pointer}
.pm-res{min-height:16px;font-size:11px;color:#7dff9b;margin-top:8px;letter-spacing:1px}

/* 01 slot */
.slot-reels{display:flex;gap:8px;justify-content:center;margin-bottom:12px}
.slot-reels span{width:52px;height:56px;display:grid;place-items:center;font-size:28px;background:#0d0d12;border:1px solid rgba(255,215,102,.3);border-radius:8px}
.slot-spin{padding:9px 26px;border:none;border-radius:20px;background:linear-gradient(135deg,#ffd766,#ff9f43);color:#4a2c00;font-weight:800;font-size:12px;letter-spacing:2px;cursor:pointer}
.slot-spin:disabled{opacity:.5}

/* 02 cards */
.card-row{display:flex;gap:8px;justify-content:center}
.tcard{width:62px;height:92px;perspective:400px;cursor:pointer;position:relative}
.tcard .in{position:absolute;inset:0;transition:transform .6s;transform-style:preserve-3d}
.tcard.flip .in{transform:rotateY(180deg)}
.tcard i,.tcard b{position:absolute;inset:0;display:grid;place-items:center;border-radius:8px;backface-visibility:hidden;font-style:normal}
.tcard i{background:repeating-linear-gradient(45deg,#3b2a5e 0 6px,#2a1d47 6px 12px);border:1px solid #7a5cff;color:#b9a5ff;font-size:20px}
.tcard b{transform:rotateY(180deg);background:#1d1430;border:1px solid #7a5cff;color:#e6dcff;font-size:9px;letter-spacing:1px}

/* 03 box */
.box-wrap{position:relative;width:120px;height:110px;margin:8px auto;cursor:pointer}
.box-wrap:not(.open):hover{animation:box-shake .4s infinite}
@keyframes box-shake{25%{transform:rotate(2deg)}75%{transform:rotate(-2deg)}}
.box-body{position:absolute;bottom:0;width:120px;height:70px;background:linear-gradient(#8b2e2e,#6b1f1f);border-radius:6px;display:grid;place-items:center;font-size:24px}
.box-lid{position:absolute;top:18px;left:-5px;width:130px;height:26px;background:#a23b3b;border-radius:6px;transform-origin:left bottom;transition:transform .5s}
.box-wrap.open .box-lid{transform:rotate(-70deg) translateY(-6px)}
.box-prize{position:absolute;top:0;left:50%;transform:translateX(-50%) scale(0);background:#ffd766;color:#5a3d00;font-weight:800;font-size:12px;padding:6px 10px;border-radius:8px;transition:transform .4s .2s;white-space:nowrap}
.box-wrap.open .box-prize{transform:translateX(-50%) scale(1)}

/* 04 hold */
.hold-btn{width:110px;height:110px;border-radius:50%;background:conic-gradient(#00ff41 0%,#222 0);display:grid;place-items:center;cursor:pointer;margin:6px auto;user-select:none;touch-action:none}
.hold-btn span{width:84px;height:84px;border-radius:50%;background:#101410;display:grid;place-items:center;color:#00ff41;font-size:11px;letter-spacing:1px;font-family:'Consolas',monospace}

/* 05 coin */
.coin{width:80px;height:80px;border-radius:50%;margin:6px auto;position:relative;transform-style:preserve-3d;transition:transform .2s}
.coin span{position:absolute;inset:0;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:26px;backface-visibility:hidden}
.coin .ch{background:linear-gradient(135deg,#ffd766,#b8860b);color:#5a3d00}
.coin .ct{background:linear-gradient(135deg,#c0c0c0,#707070);color:#222;transform:rotateY(180deg)}
.coin.flipping{animation:coinflip 1.2s ease}
@keyframes coinflip{to{transform:rotateY(1800deg)}}
.coin.tails{transform:rotateY(180deg)}
.coin-btns{display:flex;gap:10px;justify-content:center;margin-top:8px}
.coin-btns button{padding:8px 18px;border:1px solid rgba(255,215,102,.5);background:transparent;color:#ffd766;border-radius:16px;font-size:11px;letter-spacing:1px;cursor:pointer}
.coin-btns button:hover{background:rgba(255,215,102,.15)}

/* mobile */
@media (max-width:480px){
  body{padding:10px}.wrap{max-width:100%;gap:12px}
  .shimmer-title{font-size:1.5rem}
  .code-inner{font-size:.75rem}
  .arrow{width:32px;height:32px;font-size:1.1rem}
  .arrow,.frame-inner:hover .arrow{opacity:.7}
}

.demo-banner{position:fixed;bottom:18px;left:50%;transform:translateX(-50%);background:linear-gradient(135deg,#ffd766 0%,#ff6b6b 100%);color:#4a1c00;padding:14px 28px;border-radius:60px;font-weight:800;font-size:15px;text-decoration:none;z-index:9999;box-shadow:0 10px 30px rgba(255,215,102,.4);white-space:nowrap;transition:all .25s ease;font-family:'Segoe UI',sans-serif;animation:demoBannerPulse 2.5s ease-in-out infinite}
.demo-banner:hover{transform:translateX(-50%) translateY(-3px) scale(1.05)}
@keyframes demoBannerPulse{0%,100%{box-shadow:0 10px 30px rgba(255,215,102,.4)}50%{box-shadow:0 10px 30px rgba(255,215,102,.65),0 0 25px rgba(255,107,107,.4)}}
@media (max-width:480px){.demo-banner{font-size:13px;padding:12px 22px;bottom:12px}}