/* ============ SHOWCASE TEMPLATE v3 ============ */
*{box-sizing:border-box;margin:0;padding:0}
body{min-height:100vh;background:radial-gradient(ellipse at 30% 20%,#0a1a1a 0%,transparent 60%),radial-gradient(ellipse at 70% 80%,#1a0a1a 0%,transparent 60%),#0a0a0f;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(0,229,255,.5);border-radius:20px;background:rgba(0,0,0,.6);color:#00e5ff;font-family:'Consolas',monospace;font-size:11px;font-weight:700;cursor:pointer;transition:.2s}
.ratio-btn:hover{background:rgba(0,229,255,.2)}
.shimmer-title{font-size:2rem;font-weight:800;letter-spacing:1px;text-align:center;background:linear-gradient(90deg,#00e5ff,#ff6bcb,#00e5ff);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(0,229,255,.3),0 0 40px rgba(0,229,255,.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:#12303a;box-shadow:0 0 4px #00e5ff}
.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 60%;background:#0a0a10;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(0,229,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(0,229,255,.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(0,229,255,.3),transparent);flex-shrink:0}
.code-area{flex:1;background:#0a0d12;position:relative;overflow:hidden;padding:14px 16px}
.code-inner{font-family:'Consolas','Courier New',monospace;font-size:.82rem;line-height:1.5;color:#bfe9ff;white-space:pre-wrap;word-break:break-word;height:100%;overflow:hidden}
.code-inner .kw{color:#00e5ff}.code-inner .str{color:#f1fa8c}.code-inner .num{color:#ff6bcb}
.code-inner .cmt{color:#3a5a7a;font-style:italic}.code-inner .fn{color:#00e5ff}.code-inner .prop{color:#00e5ff}
.cursor{display:inline-block;width:8px;height:1em;background:#00e5ff;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(0,229,255,.3);background:rgba(0,0,0,.6);color:#00e5ff;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(0,229,255,.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(0,229,255,.3);z-index:5}

/* ============ FORMS SHARED ============ */
.hf{position:relative;width:100%;max-width:270px;background:#0d0d12;border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:16px;font-family:'Consolas',monospace;color:#dfe8ee}
.hf-title{display:block;font-size:11px;letter-spacing:3px;margin-bottom:10px;color:#00e5ff;text-shadow:0 0 8px rgba(0,229,255,.5)}
.hf-in{width:100%;background:rgba(5,8,10,.8);border:1px solid rgba(255,255,255,.15);border-radius:8px;padding:10px;color:#e6f7ff;font-family:'Consolas',monospace;font-size:12px;outline:none;margin-bottom:8px;transition:.25s}
.hf-in:focus{border-color:#00e5ff;box-shadow:0 0 12px rgba(0,229,255,.25)}
.hf-btn{width:100%;position:relative;overflow:hidden;padding:10px;border:1px solid rgba(0,229,255,.4);background:rgba(0,229,255,.08);color:#00e5ff;border-radius:8px;font-family:inherit;font-size:11px;letter-spacing:2px;cursor:pointer;transition:.25s}
.hf-btn:hover{background:rgba(0,229,255,.18)}

/* 01 aurora */
.au-wrap{position:relative;width:100%;max-width:270px}
.au-wrap::before{content:"";position:absolute;inset:-6px;border-radius:20px;background:conic-gradient(#ff2244,#ff9f43,#00ff41,#00e5ff,#8c78ff,#ff2244);animation:au-rot 5s linear infinite;filter:blur(10px);opacity:.7}
@keyframes au-rot{to{transform:rotate(360deg)}}
.au{border:none}
.au-btn.busy{background:linear-gradient(90deg,#00e5ff,#8c78ff,#00e5ff);background-size:200% 100%;animation:au-flow 1s linear infinite;color:#001018;border-color:transparent}
@keyframes au-flow{to{background-position:200% 0}}
.au-btn.ok{background:rgba(0,255,65,.2);border-color:#00ff41;color:#00ff41}
.au-stamp{position:absolute;top:42%;left:50%;translate:-50% -50%;rotate:-14deg;border:3px solid #00ff41;color:#00ff41;padding:6px 14px;font-weight:800;letter-spacing:3px;font-size:14px;border-radius:6px;opacity:0;scale:2;transition:.25s cubic-bezier(.34,1.56,.64,1);pointer-events:none;text-shadow:0 0 12px rgba(0,255,65,.6);background:rgba(0,20,0,.5);z-index:5}
.au-stamp.show{opacity:1;scale:1}

/* 02 clearance */
.cl-bar{display:flex;gap:5px;margin:4px 0 6px}
.cl-bar i{flex:1;height:6px;border-radius:3px;background:#1a1a22;transition:.3s}
.cl-status{font-size:9px;letter-spacing:2px;color:#5a6a7a;margin-bottom:8px}
.cl-btn:disabled{opacity:.35;cursor:not-allowed}
.cl-btn.ready{animation:cl-pulse 1s infinite;opacity:1}
@keyframes cl-pulse{50%{box-shadow:0 0 18px rgba(0,255,65,.5)}}

/* 03 self-destruct */
.sd-btn{border-color:rgba(255,34,68,.5);background:rgba(255,34,68,.08);color:#ff2244}
.sd-btn:hover{background:rgba(255,34,68,.18)}
.sd-btn.arm{animation:sd-shake .3s infinite;background:rgba(255,34,68,.25);border-color:#ff2244}
@keyframes sd-shake{25%{transform:translateX(-2px)}75%{transform:translateX(2px)}}
.sd-btn.boom{background:rgba(0,255,65,.2);border-color:#00ff41;color:#00ff41}
.sd-p{position:absolute;left:50%;top:50%;width:6px;height:6px;border-radius:50%;background:#00ff41;box-shadow:0 0 8px #00ff41;animation:sd-fly .6s ease-out forwards}
@keyframes sd-fly{to{transform:translate(var(--dx),var(--dy));opacity:0}}
.sd-ta{height:52px;resize:none}

/* 04 flip */
.fl-wrap{perspective:800px;width:100%;max-width:270px;position:relative}
.fl-card{transition:transform .7s;backface-visibility:hidden}
.fl-back{position:absolute;inset:0;transform:rotateY(180deg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;border-color:rgba(0,255,65,.4);background:repeating-linear-gradient(transparent 0 3px,rgba(0,255,65,.04) 3px 6px),#0d0d12}
.fl-wrap.flip .fl-front{transform:rotateY(180deg)}
.fl-wrap.flip .fl-back{transform:rotateY(0)}
.fl-lock{font-size:34px;filter:drop-shadow(0 0 12px rgba(0,255,65,.6))}
.fl-back b{color:#00ff41;letter-spacing:2px;font-size:12px}
.fl-back small{color:#3a7a3a;letter-spacing:1px}
.fl-again{width:auto;padding:8px 16px}

/* 05 liquid neon */
.lq-box{position:relative;background:rgba(5,8,10,.8);border:1px solid rgba(255,255,255,.15);border-radius:8px;margin-bottom:8px;overflow:hidden}
.lq-box .hf-in{border:none;margin:0;background:transparent;position:relative;z-index:1}
.lq-fill{position:absolute;left:0;right:0;bottom:0;height:0;background:linear-gradient(90deg,#00e5ff,#8c78ff,#ff6bcb);opacity:.3;transition:height .5s;animation:lq-hue 3s linear infinite;pointer-events:none}
@keyframes lq-hue{to{filter:hue-rotate(360deg)}}
.lq-box:focus-within{border-color:#8c78ff}
.lq-box:focus-within .lq-fill{height:100%}
.lq-btn{border-color:rgba(140,120,255,.5);background:rgba(140,120,255,.1);color:#b9a5ff}
.lq-btn:hover{background:rgba(140,120,255,.2)}
.lq-btn.ok{background:rgba(0,255,65,.2);border-color:#00ff41;color:#00ff41}
.lq-p{position:absolute;left:50%;top:50%;width:6px;height:6px;border-radius:50%;animation:sd-fly .6s ease-out forwards}

/* 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,#00e5ff 0%,#ff6bcb 100%);color:#100018;padding:14px 28px;border-radius:60px;font-weight:800;font-size:15px;text-decoration:none;z-index:9999;box-shadow:0 10px 30px rgba(0,229,255,.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(0,229,255,.4)}50%{box-shadow:0 10px 30px rgba(0,229,255,.65),0 0 25px rgba(255,107,203,.4)}}
@media (max-width:480px){.demo-banner{font-size:13px;padding:12px 22px;bottom:12px}}