:root{--bg: #0a0e1a;--card-bg: rgba(15, 23, 42, .85);--card-border: rgba(56, 189, 248, .12);--text: #e2e8f0;--text-dim: #94a3b8;--accent: #38bdf8;--accent-dim: rgba(56, 189, 248, .15);--success: #10b981;--error: #ef4444;--warn: #f59e0b;--radius: 16px}*{margin:0;padding:0;box-sizing:border-box}body{background:var(--bg);color:var(--text);font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif}.page{min-height:100vh;position:relative;overflow:hidden}.bg-grid{position:fixed;top:0;right:0;bottom:0;left:0;z-index:0;background-image:linear-gradient(rgba(56,189,248,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.03) 1px,transparent 1px);background-size:60px 60px}.bg-glow{position:fixed;top:-200px;left:50%;transform:translate(-50%);width:800px;height:600px;border-radius:50%;background:radial-gradient(ellipse,rgba(56,189,248,.08) 0%,transparent 70%);z-index:0;pointer-events:none}.container{position:relative;z-index:1;max-width:640px;margin:0 auto;padding:40px 20px 60px}.header{text-align:center;margin-bottom:36px}.logo{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:16px}.logo-icon{font-size:28px}.logo-text{font-size:18px;font-weight:700;letter-spacing:1px;color:var(--accent)}.title{font-size:32px;font-weight:800;background:linear-gradient(135deg,#fff 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.subtitle{color:var(--text-dim);margin-top:8px;font-size:15px}.progress-track{margin-bottom:32px;padding:0 10px}.track-line{height:3px;background:#ffffff14;border-radius:2px;position:relative;margin-bottom:12px}.track-fill{height:100%;background:var(--accent);border-radius:2px;transition:width .5s ease;box-shadow:0 0 12px var(--accent)}.track-nodes{display:flex;justify-content:space-between}.track-node{display:flex;flex-direction:column;align-items:center;gap:6px}.node-dot{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;border:2px solid rgba(255,255,255,.1);color:var(--text-dim);background:var(--bg);transition:all .3s}.track-node.active .node-dot{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.track-node.current .node-dot{border-color:var(--accent);color:#fff;background:var(--accent);box-shadow:0 0 16px var(--accent)}.node-label{font-size:11px;color:var(--text-dim);white-space:nowrap}.track-node.active .node-label,.track-node.current .node-label{color:var(--text)}.card{background:var(--card-bg);border:1px solid var(--card-border);border-radius:var(--radius);padding:32px;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.card-header{display:flex;align-items:center;gap:12px;margin-bottom:8px}.card-icon{font-size:28px}.card-header h2{font-size:22px;font-weight:700}.card-desc{color:var(--text-dim);margin-bottom:24px;font-size:14px}.fade-in{animation:fadeIn .4s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.input-group{margin-bottom:18px}.input-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--text-dim)}.input-group .hint{font-weight:400;color:var(--text-dim);opacity:.7}.input{width:100%;padding:12px 16px;background:#ffffff0a;border:1px solid rgba(255,255,255,.1);border-radius:10px;color:var(--text);font-size:15px;outline:none;transition:border-color .2s}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim)}.input::placeholder{color:#ffffff40}.textarea{resize:vertical;font-family:monospace;font-size:13px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}.form-grid .input-group:first-child{grid-column:1 / -1}.radio-group{display:flex;gap:12px}.radio-item{padding:10px 18px;border:1px solid rgba(255,255,255,.1);border-radius:10px;cursor:pointer;font-size:14px;transition:all .2s;display:flex;align-items:center;gap:8px}.radio-item:hover{border-color:#fff3}.radio-item.active{border-color:var(--accent);background:var(--accent-dim);color:var(--accent)}.radio-dot{width:10px;height:10px;border-radius:50%;border:2px solid currentColor}.radio-item.active .radio-dot{background:var(--accent)}.btn{padding:12px 24px;border-radius:10px;font-size:15px;font-weight:600;cursor:pointer;border:none;transition:all .2s;display:inline-flex;align-items:center;gap:8px;text-decoration:none}.btn-primary{background:var(--accent);color:#0f172a}.btn-primary:hover{box-shadow:0 0 20px #38bdf866;transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}.btn-ghost{background:transparent;color:var(--text-dim);border:1px solid rgba(255,255,255,.15)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.btn-full{width:100%;justify-content:center}.btn-row{display:flex;gap:12px;margin-top:24px}.btn-row.center{justify-content:center}.alert{padding:12px 16px;border-radius:10px;font-size:14px;margin:16px 0}.alert-error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:#fca5a5}.alert-success{background:#10b9811a;border:1px solid rgba(16,185,129,.3);color:#6ee7b7}.alert-warn{background:#f59e0b1a;border:1px solid rgba(245,158,11,.3);color:#fcd34d}.license-badge{display:flex;align-items:center;gap:12px;margin-bottom:24px;padding:12px 16px;background:var(--accent-dim);border-radius:10px;border:1px solid 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p{margin-top:20px;color:var(--text-dim)}.pulse-ring{width:48px;height:48px;border-radius:50%;border:3px solid var(--accent);margin:0 auto;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.1)}}.progress-bar-container{display:flex;align-items:center;gap:14px;margin-bottom:20px}.progress-bar{flex:1;height:8px;background:#ffffff0f;border-radius:4px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent),#818cf8);border-radius:4px;transition:width .5s ease;box-shadow:0 0 8px var(--accent)}.progress-fill.error{background:var(--error);box-shadow:0 0 8px var(--error)}.progress-text{font-size:14px;font-weight:700;color:var(--accent);min-width:40px}.terminal{border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,.06)}.terminal-header{display:flex;align-items:center;gap:12px;padding:10px 16px;background:#0006}.terminal-dots{display:flex;gap:6px}.terminal-dots 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20px}.section-divider:before,.section-divider:after{content:"";flex:1;height:1px;background:#ffffff0f}.section-divider span{font-size:13px;color:var(--text-dim);white-space:nowrap}.url-list{display:flex;flex-direction:column;gap:10px}.url-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:#0000004d;border-radius:10px;border:1px solid rgba(255,255,255,.04)}.url-label{font-size:12px;color:var(--text-dim);min-width:80px;font-weight:600}.url-value{flex:1;font-size:12px;color:var(--accent);word-break:break-all}.btn-copy{padding:4px 12px;border-radius:6px;border:1px solid rgba(56,189,248,.3);background:transparent;color:var(--accent);font-size:12px;cursor:pointer;transition:all .2s;white-space:nowrap}.btn-copy:hover{background:var(--accent-dim)}@media (max-width: 600px){.form-grid,.info-grid{grid-template-columns:1fr}.url-item{flex-wrap:wrap}.track-nodes{gap:0}.node-label{font-size:10px}}