:root{font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;color-scheme:dark}body{margin:0;min-width:320px;min-height:100vh}:root{--bg-dark: #050510;--accent-gold: #D4AF37;--accent-cyan: #00f3ff;--glass-bg: rgba(255, 255, 255, .03);--glass-border: rgba(255, 255, 255, .1);--text-main: #ffffff;--text-muted: #8892b0}body,html{margin:0;padding:0;width:100%;height:100%;background-color:var(--bg-dark);font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;overflow:hidden}.tech-container{position:relative;width:100vw;height:100vh;display:flex;justify-content:center;align-items:center;background:radial-gradient(circle at 50% 50%,#0a0a2e 0%,var(--bg-dark) 100%);overflow:hidden}.background-grid{position:absolute;top:0;left:0;width:200%;height:200%;background-image:linear-gradient(var(--glass-border) 1px,transparent 1px),linear-gradient(90deg,var(--glass-border) 1px,transparent 1px);background-size:50px 50px;opacity:.1;transform:perspective(500px) rotateX(60deg) translateY(-100px) translateZ(-200px);animation:gridMove 20s linear infinite;pointer-events:none}@keyframes gridMove{0%{transform:perspective(500px) rotateX(60deg) translateY(0) translateZ(-200px)}to{transform:perspective(500px) rotateX(60deg) translateY(50px) translateZ(-200px)}}.glow-orb{position:absolute;top:var(--mouse-y);left:var(--mouse-x);width:600px;height:600px;background:radial-gradient(circle,rgba(0,243,255,.15) 0%,transparent 70%);transform:translate(-50%,-50%);transition:opacity .5s ease;pointer-events:none;z-index:1}.glass-panel{position:relative;z-index:10;background:var(--glass-bg);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:1px solid var(--glass-border);border-radius:24px;padding:4rem;max-width:600px;width:90%;box-shadow:0 0 50px #00000080,inset 0 0 0 1px #ffffff0d;display:flex;flex-direction:column;align-items:center;text-align:center;animation:float 6s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.logo-text{font-size:.9rem;letter-spacing:4px;color:var(--accent-gold);font-weight:700;text-transform:uppercase;border-bottom:2px solid var(--accent-gold);padding-bottom:5px;margin-bottom:2rem;display:inline-block}h1.glitch-text{font-size:3.5rem;font-weight:800;color:var(--text-main);margin:0;letter-spacing:-2px;position:relative;text-shadow:0 0 20px rgba(0,243,255,.5)}.subtitle{font-size:1.2rem;color:var(--accent-cyan);margin-top:.5rem;letter-spacing:2px;font-weight:400;text-transform:uppercase}.description{color:var(--text-muted);font-size:1.1rem;line-height:1.6;margin:2rem 0;max-width:100%}.highlight{color:var(--text-main);font-weight:500}.progress-container{width:100%;margin-bottom:2.5rem}.progress-bar{height:4px;background:#ffffff1a;border-radius:2px;overflow:hidden;position:relative}.progress-fill{width:87%;height:100%;background:linear-gradient(90deg,var(--accent-cyan),var(--accent-gold));border-radius:2px;box-shadow:0 0 10px var(--accent-cyan);animation:shimmer 2s linear infinite}@keyframes shimmer{0%{opacity:.8}50%{opacity:1}to{opacity:.8}}.progress-stats{display:flex;justify-content:space-between;margin-top:8px;font-size:.8rem;color:var(--text-muted);font-family:monospace}.notify-btn{display:inline-block;text-decoration:none;background:transparent;color:var(--accent-cyan);border:1px solid var(--accent-cyan);padding:1rem 3rem;font-size:1rem;letter-spacing:2px;text-transform:uppercase;cursor:pointer;position:relative;overflow:hidden;transition:all .3s ease;font-weight:600}.notify-btn:hover{background:#00f3ff1a;box-shadow:0 0 30px #00f3ff4d;letter-spacing:4px}.btn-glint{position:absolute;top:0;left:-100%;width:50%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.4),transparent);transform:skew(-20deg);transition:left .5s}.notify-btn:hover .btn-glint{left:200%;transition:left .7s ease-in-out}.scan-line{position:absolute;top:0;left:0;width:100%;height:2px;background:#ffffff1a;animation:scan 8s linear infinite;pointer-events:none;z-index:20}@keyframes scan{0%{top:-10%}to{top:110%}}@media(max-width:768px){.glass-panel{padding:2rem;width:95%}h1.glitch-text{font-size:2.5rem}}.invoice-container{display:flex;flex-direction:column;align-items:center;padding:2rem;color:#fff;min-height:100vh}.title{font-size:2.5rem;margin-bottom:2rem;background:linear-gradient(90deg,#00f260,#0575e6);background-clip:text;-webkit-background-clip:text;-webkit-text-fill-color:transparent;font-weight:700}.card{background:#ffffff0d;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:2rem;width:100%;max-width:400px;box-shadow:0 4px 30px #00000080}.input-group{margin-bottom:1.5rem;display:flex;flex-direction:column}.input-group label{margin-bottom:.5rem;font-size:.9rem;color:#aaa}.input-group input{background:#0003;border:1px solid rgba(255,255,255,.1);border-radius:8px;padding:12px;font-size:1.2rem;color:#fff;outline:none;transition:all .3s ease}.input-group input:focus{border-color:#0575e6;box-shadow:0 0 0 2px #0575e633}.radio-group{display:flex;gap:1rem;margin-bottom:2rem}.radio-label{flex:1;display:flex;align-items:center;justify-content:center;padding:10px;background:#ffffff0d;border:1px solid rgba(255,255,255,.1);border-radius:8px;cursor:pointer;transition:all .3s ease;-webkit-user-select:none;user-select:none}.radio-label.active{background:#0575e633;border-color:#0575e6;color:#fff}.radio-label input{display:none}.results{border-top:1px solid rgba(255,255,255,.1);padding-top:1.5rem;display:flex;flex-direction:column;gap:1rem}.result-item{display:flex;justify-content:space-between;align-items:center;font-size:1rem;color:#ddd}.result-item.total{margin-top:.5rem;font-size:1.2rem;font-weight:700;color:#fff}.value{font-family:Courier New,monospace}.value.highlight{color:#00f260}.back-link{margin-top:2rem;color:#aaa;text-decoration:none;transition:color .3s}.back-link:hover{color:#fff}