:root{--bg: #0d0d12;--card: #1a1a27;--card2: #13131c;--border: rgba(255,255,255,.07);--border-accent: rgba(212,160,85,.35);--gold: #d4a055;--gold-light: #f0c880;--rose: #e8697a;--text: #f0eaf5;--muted: #8a849a;--faint: #4a4460;--primary: #00d2ff}*{margin:0;padding:0;box-sizing:border-box}body{font-family:DM Sans,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}body:after{content:"";position:fixed;top:-100px;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--gold),var(--primary),var(--gold),transparent);box-shadow:0 0 12px var(--gold),0 0 28px #d4a05580;z-index:9999;animation:laserMove 5s linear infinite;pointer-events:none}@keyframes laserMove{0%{top:-2%;opacity:0}8%{opacity:1}92%{opacity:1}to{top:105%;opacity:0}}.fade-in{animation:smoothFade .7s ease-out forwards}@keyframes smoothFade{0%{opacity:0;transform:translateY(18px)}to{opacity:1;transform:translateY(0)}}.langOverlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000eb;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.langBox{text-align:center;background:var(--card);padding:40px;border-radius:28px;border:1px solid var(--border-accent);width:90%;max-width:420px}.lang-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:20px}.langBtn{background:transparent;border:1px solid var(--border-accent);padding:15px;border-radius:14px;color:#fff;cursor:pointer;transition:.3s}.langBtn:hover{background:#d4a0551a;border-color:var(--gold);transform:translateY(-3px)}.mainBody{width:100%;display:flex;flex-direction:column;align-items:center;padding:40px 20px}.header h1{font-size:2.5rem;margin-bottom:10px}.accent{background:linear-gradient(135deg,var(--gold),var(--primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.container{max-width:440px;width:100%}.card,.qr-card{background:var(--card);border:1px solid var(--border);border-radius:24px;padding:30px;margin-bottom:20px}.tab-switcher{position:relative;display:flex;background:var(--card2);border:1px solid var(--border);border-radius:18px;padding:5px;margin-bottom:25px}.tab-pill{position:absolute;width:calc(50% - 5px);height:calc(100% - 10px);background:linear-gradient(135deg,#d4a0552e,#00d2ff1a);border:1px solid var(--border-accent);border-radius:13px;transition:.4s cubic-bezier(.34,1.56,.64,1)}.tab-pill.right{transform:translate(100%)}.tab-btn{flex:1;background:transparent;border:none;padding:12px;color:var(--muted);font-weight:600;cursor:pointer;z-index:1}.tab-btn.active{color:var(--gold-light)}.input-wrap{position:relative;margin-top:15px}input{width:100%;padding:15px 15px 15px 40px;border-radius:14px;border:1px solid var(--border);background:#ffffff0a;color:#fff;outline:none}.input-prefix{position:absolute;left:15px;top:50%;transform:translateY(-50%)}.submitBtn{width:100%;background:linear-gradient(135deg,var(--gold),#b8853a);padding:18px;border-radius:14px;border:none;font-weight:700;cursor:pointer;transition:.3s}.submitBtn:hover{transform:translateY(-2px);box-shadow:0 10px 20px #d4a0554d}.qr-frame{position:relative;width:200px;height:200px;margin:0 auto 20px}.qr-img-wrap{width:100%;height:100%;background:#fff;border-radius:12px;overflow:hidden;position:relative}.qr-scan-line{position:absolute;width:100%;height:3px;background:var(--primary);box-shadow:0 0 10px var(--primary);animation:scan 2s infinite}@keyframes scan{0%{top:0}to{top:100%}}.qr-progress-bar-bg{height:6px;background:#ffffff1a;border-radius:10px;overflow:hidden}.qr-progress-bar{height:100%;background:var(--gold);transition:width 1s linear}footer{margin-top:50px;text-align:center;opacity:.6}