*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f8f9fa;--surface:#fff;--border:#dee2e6;--text:#212529;--text-muted:#6c757d;--primary:#2563eb;--primary-hover:#1d4ed8;--success:#16a34a;--warning:#d97706;--danger:#dc2626;--info:#0891b2;--radius:8px;--shadow:0 1px 3px #0000001a}body{background:var(--bg);color:var(--text);min-height:100vh;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;line-height:1.5}.app{flex-direction:column;min-height:100vh;display:flex}.header{background:var(--surface);border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;gap:16px;padding:12px 24px;display:flex}.header h1{color:var(--text);font-size:18px;font-weight:600}.steps{align-items:center;gap:4px;display:flex}.step{color:var(--text-muted);background:var(--bg);border-radius:20px;padding:4px 12px;font-size:12px;font-weight:500}.step.active{background:var(--primary);color:#fff}.step.done{background:var(--success);color:#fff}.main{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:24px}.status-bar{background:var(--surface);border-top:1px solid var(--border);color:var(--text-muted);padding:8px 24px;font-size:13px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.card+.card{margin-top:16px}.card h2{margin-bottom:12px;font-size:16px;font-weight:600}.card h3{color:var(--text-muted);margin-bottom:8px;font-size:14px;font-weight:600}.btn{border-radius:var(--radius);cursor:pointer;border:none;align-items:center;gap:8px;padding:10px 20px;font-size:14px;font-weight:500;transition:background .15s,opacity .15s;display:inline-flex}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--bg);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--border)}.btn-success{background:var(--success);color:#fff}.btn-large{padding:16px 32px;font-size:16px}.drop-zone{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;cursor:pointer;padding:48px;transition:border-color .15s,background .15s}.drop-zone:hover{border-color:var(--primary);background:#eff6ff}.drop-zone h2{margin-bottom:8px;font-size:20px}.drop-zone p{color:var(--text-muted);font-size:14px}table{border-collapse:collapse;width:100%;font-size:13px}th,td{text-align:left;border-bottom:1px solid var(--border);padding:8px 12px}th{background:var(--bg);font-weight:600;position:sticky;top:0}tr:hover{background:#f1f5f9}.badge{text-transform:uppercase;border-radius:12px;padding:2px 8px;font-size:11px;font-weight:600;display:inline-block}.badge-new{color:var(--primary);background:#dbeafe}.badge-updated{color:var(--success);background:#dcfce7}.badge-missing{color:var(--warning);background:#fef3c7}.badge-conflict{color:var(--danger);background:#fecaca}.badge-unchanged{background:var(--bg);color:var(--text-muted)}.confidence{align-items:center;gap:6px;display:inline-flex}.confidence-bar{background:var(--bg);border-radius:3px;width:60px;height:6px;overflow:hidden}.confidence-fill{border-radius:3px;height:100%;transition:width .3s}.confidence-high{background:var(--success)}.confidence-medium{background:var(--warning)}.confidence-low{background:var(--danger)}.file-list{flex-direction:column;gap:8px;display:flex}.file-item{background:var(--bg);border-radius:var(--radius);align-items:center;gap:12px;padding:12px 16px;display:flex}.file-item .file-type{text-transform:uppercase;color:var(--primary);width:40px;font-size:11px;font-weight:600}.file-item .file-name{flex:1;font-weight:500}.file-item .file-meta{color:var(--text-muted);font-size:13px}.action-bar{border-top:1px solid var(--border);justify-content:space-between;align-items:center;margin-top:24px;padding-top:16px;display:flex}.summary-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:16px;display:grid}.summary-item{text-align:center;background:var(--bg);border-radius:var(--radius);padding:16px}.summary-item .count{font-size:28px;font-weight:700;line-height:1}.summary-item .label{color:var(--text-muted);margin-top:4px;font-size:12px}select{border:1px solid var(--border);background:#fff;border-radius:4px;padding:6px 10px;font-size:13px}.checkbox-cell{text-align:center;width:36px}input[type=checkbox]{cursor:pointer;width:16px;height:16px}.instruction-screen{flex-direction:column;gap:16px;display:flex}.instruction-textarea{border:1px solid var(--border);border-radius:var(--radius);resize:vertical;width:100%;color:var(--text);background:var(--bg);padding:12px 16px;font-family:inherit;font-size:14px;line-height:1.6;transition:border-color .15s}.instruction-textarea:focus{border-color:var(--primary);background:var(--surface);outline:none}.instruction-textarea::placeholder{color:var(--text-muted)}.file-panels{grid-template-columns:1fr 1fr;gap:16px;display:grid}.file-panel{flex-direction:column;transition:border-color .15s,background .15s;display:flex}.file-panel.drop-active{border-color:var(--primary);background:#eff6ff}.file-panel-hint{color:var(--text-muted);margin-bottom:8px;font-size:13px}.file-loaded{background:var(--bg);border-radius:var(--radius);margin-bottom:4px;padding:12px 16px}.file-loaded-name{font-size:14px;font-weight:600}.file-loaded-meta{color:var(--text-muted);font-size:13px}.file-loaded-keys{color:var(--text-muted);margin-top:4px;font-size:12px}.examples-toggle{color:var(--primary);cursor:pointer;background:0 0;border:none;padding:0;font-size:13px;font-weight:500}.examples-toggle:hover{text-decoration:underline}.examples-section{margin-top:12px}.plan-summary{border-left:4px solid var(--primary)}.plan-summary-header{align-items:center;gap:12px;margin-bottom:8px;display:flex}.plan-summary p{font-size:14px;line-height:1.6}.plan-warnings{border-left:4px solid var(--warning)}.plan-warning-item{color:var(--warning);border-bottom:1px solid var(--border);padding:8px 0;font-size:13px}.plan-warning-item:last-child{border-bottom:none}.auth-page{background:var(--bg);justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);width:100%;max-width:420px;box-shadow:var(--shadow);padding:40px}.auth-title{margin-bottom:4px;font-size:24px;font-weight:700}.auth-subtitle{color:var(--text-muted);margin-bottom:32px;font-size:14px}.auth-form{flex-direction:column;gap:12px;display:flex}.auth-label{font-size:13px;font-weight:600}.auth-input{border:1px solid var(--border);border-radius:var(--radius);color:var(--text);background:var(--bg);padding:12px 16px;font-family:inherit;font-size:14px;transition:border-color .15s}.auth-input:focus{border-color:var(--primary);background:var(--surface);outline:none}.auth-input::placeholder{color:var(--text-muted)}.auth-error{border-radius:var(--radius);color:var(--danger);background:#fef2f2;border:1px solid #fecaca;padding:10px 14px;font-size:13px}.auth-submit{justify-content:center;width:100%;margin-top:4px}.auth-switch{text-align:center;color:var(--text-muted);margin-top:20px;font-size:13px}.auth-link{color:var(--primary);cursor:pointer;font-size:inherit;background:0 0;border:none;padding:0;font-family:inherit;text-decoration:none}.auth-link:hover{text-decoration:underline}.auth-footer{text-align:center;color:var(--text-muted);margin-top:24px;font-size:12px}.auth-success{text-align:center;padding:24px 0}.auth-success h2{color:var(--success);margin-bottom:8px;font-size:20px;font-weight:600}.auth-success p{color:var(--text-muted);font-size:14px}.btn-logout{border:1px solid var(--border);border-radius:var(--radius);color:var(--text-muted);cursor:pointer;background:0 0;padding:6px 14px;font-family:inherit;font-size:13px;transition:border-color .15s,color .15s}.btn-logout:hover{border-color:var(--danger);color:var(--danger)}.legal-page{background:var(--bg);min-height:100vh}.legal-nav{border-bottom:1px solid var(--border);background:var(--surface);padding:12px 24px}.legal-nav-link{color:var(--text);font-size:16px;font-weight:600;text-decoration:none}.legal-content{max-width:680px;margin:0 auto;padding:40px 24px 80px}.legal-content h1{margin-bottom:4px;font-size:28px;font-weight:700}.legal-date{color:var(--text-muted);margin-bottom:32px;font-size:13px}.legal-content section{margin-bottom:28px}.legal-content h2{margin-bottom:8px;font-size:16px;font-weight:600}.legal-content p{margin-bottom:8px;font-size:14px;line-height:1.7}.legal-content ul{margin-left:20px;font-size:14px;line-height:1.7}.legal-content li{margin-bottom:4px}.legal-content a{color:var(--primary);text-decoration:none}.legal-content a:hover{text-decoration:underline}.auth-consent{color:var(--text-muted);text-align:center;font-size:11px;line-height:1.5}.auth-consent a{color:var(--primary);text-decoration:none}.auth-consent a:hover{text-decoration:underline}.auth-trust{color:var(--text-muted);justify-content:center;gap:16px;margin-top:16px;font-size:11px;display:flex}.auth-trust-item{align-items:center;gap:4px;display:flex}.auth-legal-links{justify-content:center;gap:12px;margin-top:12px;font-size:12px;display:flex}.auth-legal-links a{color:var(--text-muted);text-decoration:none}.auth-legal-links a:hover{color:var(--primary);text-decoration:underline}