:root{--bg-color: #0a0a0b;--card-bg: #161618;--accent-color: #f7931a;--text-primary: #ffffff;--text-secondary: #a1a1aa;--border-color: #27272a;--font-main: "Inter", system-ui, -apple-system, sans-serif}*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font-main);background-color:var(--bg-color);color:var(--text-primary);height:100vh;width:100vw;overflow:hidden;display:flex;justify-content:center;align-items:center;-webkit-font-smoothing:antialiased}#app{width:100%;height:100%;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:2rem;position:relative}.bg-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:600px;background:radial-gradient(circle,#f7931a0d,#0000 70%);z-index:-1;pointer-events:none}.container{max-width:600px;width:100%;text-align:center;display:flex;flex-direction:column;gap:2.5rem;animation:fadeIn 1s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.logo-header{display:flex;flex-direction:column;align-items:center;gap:1rem}.logo-img{width:80px;height:80px;filter:drop-shadow(0 0 15px rgba(247,147,26,.3))}h1{font-size:1.25rem;font-weight:500;letter-spacing:.2em;text-transform:uppercase;color:var(--text-secondary)}.counter-section{display:flex;flex-direction:column;gap:.5rem}.btc-amount{font-size:4.5rem;font-weight:700;font-variant-numeric:tabular-nums;background:linear-gradient(180deg,#fff,#a1a1aa);-webkit-background-clip:text;-webkit-text-fill-color:transparent;line-height:1}.target-text{font-size:1rem;color:var(--text-secondary);font-weight:400}.progress-container{width:100%;height:12px;background:var(--card-bg);border:1px solid var(--border-color);border-radius:99px;overflow:hidden;margin-top:1rem}.progress-bar{height:100%;width:0%;background:linear-gradient(90deg,var(--accent-color) 0%,#ffab40 100%);box-shadow:0 0 20px #f7931a66;transition:width 1.5s cubic-bezier(.34,1.56,.64,1)}.wallet-section{background:var(--card-bg);border:1px solid var(--border-color);padding:1.5rem;border-radius:20px;display:flex;flex-direction:column;align-items:center;gap:1.5rem;box-shadow:0 10px 30px #0000004d}.address-container{display:flex;align-items:center;gap:.75rem;background:var(--bg-color);padding:.75rem 1.25rem;border-radius:12px;border:1px solid var(--border-color);cursor:pointer;transition:all .2s;width:100%;justify-content:center}.address-container:hover{border-color:var(--accent-color);background:#f7931a0d}.address-text{font-family:monospace;font-size:.9rem;color:var(--text-secondary);word-break:break-all}.qr-trigger{width:120px;height:120px;background:#fff;padding:8px;border-radius:12px;cursor:pointer;transition:transform .3s cubic-bezier(.34,1.56,.64,1)}.qr-trigger:hover{transform:scale(1.05)}.qr-trigger img{width:100%;height:100%;display:block}.modal{position:fixed;top:0;left:0;width:100%;height:100%;background:#000000e6;display:none;justify-content:center;align-items:center;z-index:100;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);cursor:zoom-out}.modal.active{display:flex}.modal-content{width:80vmin;height:80vmin;background:#fff;padding:2rem;border-radius:24px;animation:zoomIn .3s ease-out}@keyframes zoomIn{0%{opacity:0;transform:scale(.8)}to{opacity:1;transform:scale(1)}}.modal-content img{width:100%;height:100%}.toast{position:fixed;bottom:2rem;background:var(--accent-color);color:#fff;padding:.75rem 1.5rem;border-radius:99px;font-weight:500;transform:translateY(100px);transition:transform .3s cubic-bezier(.34,1.56,.64,1);box-shadow:0 10px 20px #f7931a4d}.toast.active{transform:translateY(0)}