:root{--bg-main: #0e1116;--bg-card: #161b22;--bg-footer: #0d1117;--border: #232a33;--text-primary: #e6edf3;--text-secondary: #c9d1d9;--text-muted: #8b949e;--text-dimmed: #6e7681;--accent: #3b82f6;--accent-green: #2da44e;--accent-green-hover: #238636;--danger: #f85149;--warning: #d29922;--success: #2da44e;--radius: 12px}*{box-sizing:border-box;margin:0;padding:0}html,body{min-height:100vh}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg-main);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}.page{min-height:100vh;display:flex;flex-direction:column}header{padding:18px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;background:var(--bg-card)}header .logo{display:flex;align-items:center;gap:12px}header .logo img{width:36px;height:36px;border-radius:8px}header .logo span{font-size:18px;font-weight:700;color:var(--text-primary)}header nav a{color:var(--text-muted);font-size:14px;margin-left:20px}main{flex:1;display:flex;align-items:center;justify-content:center;padding:40px 16px}.card{width:100%;max-width:520px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}.card-header{padding:24px 28px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:14px}.card-header .icon{width:42px;height:42px;border-radius:10px;background:#1c2128;display:flex;align-items:center;justify-content:center;font-size:22px}.card-header h1{font-size:18px;font-weight:700}.card-body{padding:28px}.card-body p{color:var(--text-secondary);font-size:14px;margin-bottom:16px}.card-body .highlight{background:#2da44e14;border:1px solid rgba(45,164,78,.25);border-radius:8px;padding:14px 16px;margin:18px 0;font-size:13px;color:var(--text-secondary)}.card-body .highlight .label{color:var(--text-muted);font-size:12px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}.steps{margin:24px 0 20px}.step{display:flex;align-items:flex-start;gap:14px;padding:12px 0;border-bottom:1px solid var(--border)}.step:last-child{border-bottom:0}.step .num{width:28px;height:28px;border-radius:50%;background:#1c2128;border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:var(--text-muted);flex-shrink:0}.step .num.active,.step .num.done{background:var(--accent-green);border-color:var(--accent-green);color:#fff}.step .text{font-size:14px;color:var(--text-secondary);padding-top:3px}.step .text .sub{color:var(--text-muted);font-size:12px;margin-top:2px}.btn{display:inline-flex;align-items:center;justify-content:center;width:100%;padding:13px 24px;background:var(--accent-green);color:#fff;border:0;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:background .15s;margin-top:8px}.btn:hover{background:var(--accent-green-hover);text-decoration:none}.btn:disabled{opacity:.5;cursor:not-allowed}.info-row{display:flex;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border);font-size:13px}.info-row:last-child{border-bottom:0}.info-row .k{color:var(--text-muted)}.info-row .v{color:var(--text-primary);font-weight:500}.info-row .v.ok{color:var(--success)}.info-row .v.warn{color:var(--warning)}.info-row .v.bad{color:var(--danger)}.spinner{width:20px;height:20px;border:3px solid var(--border);border-top-color:var(--accent-green);border-radius:50%;animation:spin .7s linear infinite;display:inline-block;margin-right:10px}@keyframes spin{to{transform:rotate(360deg)}}.result-box{border-radius:8px;padding:18px;margin-top:20px}.result-box.danger{background:#f8514914;border:1px solid rgba(248,81,73,.3)}.result-box.safe{background:#2da44e14;border:1px solid rgba(45,164,78,.3)}.result-box h3{font-size:15px;margin-bottom:8px}.result-box p{font-size:13px;color:var(--text-muted);margin:0}.input-group{margin-bottom:16px}.input-group label{display:block;font-size:13px;color:var(--text-muted);margin-bottom:6px;font-weight:500}.input-group input,.input-group textarea{width:100%;padding:10px 14px;background:#0d1117;border:1px solid var(--border);border-radius:8px;color:var(--text-primary);font-size:14px;font-family:inherit}.input-group input:focus,.input-group textarea:focus{outline:0;border-color:var(--accent-green);box-shadow:0 0 0 3px #2da44e26}.input-group textarea{min-height:100px;resize:vertical}footer{padding:16px 24px;border-top:1px solid var(--border);background:var(--bg-footer);text-align:center;color:var(--text-dimmed);font-size:12px}footer a{color:var(--text-dimmed);margin:0 8px}@media (max-width: 560px){.card{border-radius:0;border-left:0;border-right:0}main{padding:20px 0;align-items:flex-start}}