@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap";:root{--color-primary: #635bff;--color-primary-light: #7a73ff;--color-primary-dark: #4b45c6;--color-primary-bg: rgba(99, 91, 255, .06);--color-primary-bg-hover: rgba(99, 91, 255, .1);--color-success: #0ea560;--color-success-light: #d1fae5;--color-danger: #df1b41;--color-danger-light: #fee2e2;--color-warning: #f59e0b;--color-warning-light: #fef3c7;--color-bg: #f7f8fc;--color-surface: #ffffff;--color-text: #0a2540;--color-text-secondary: #596780;--color-text-muted: #8898aa;--color-border: #e3e8ee;--color-border-light: #f0f2f5;--radius-sm: 6px;--radius: 10px;--radius-lg: 14px;--radius-xl: 20px;--shadow-sm: 0 1px 2px rgba(0,0,0,.04);--shadow: 0 2px 8px rgba(0,0,0,.06), 0 0 1px rgba(0,0,0,.08);--shadow-md: 0 4px 16px rgba(0,0,0,.08), 0 0 1px rgba(0,0,0,.08);--shadow-lg: 0 8px 32px rgba(0,0,0,.1), 0 0 1px rgba(0,0,0,.08);--transition: .2s cubic-bezier(.4, 0, .2, 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var(--transition);position:relative}.step-number.active{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-bg);box-shadow:0 0 0 4px #635bff1f}.step-number.completed{border-color:var(--color-success);background:var(--color-success);color:#fff;box-shadow:0 0 0 4px #0ea5601f}.step-label{margin-top:8px;font-size:12px;font-weight:500;color:var(--color-text-muted);text-align:center;max-width:90px;line-height:1.3}.step-label.active{color:var(--color-primary);font-weight:700}.step-label.completed{color:var(--color-success);font-weight:600}.card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:32px;margin-bottom:20px;border:1px solid var(--color-border-light);animation:fadeSlideIn .3s ease-out}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.card h2{font-size:20px;font-weight:700;margin-bottom:6px;padding-bottom:0;border-bottom:none;color:var(--color-text);letter-spacing:-.3px}.card .step-description{color:var(--color-text-secondary);font-size:14px;margin-bottom:24px;line-height:1.6}.card h3{font-size:15px;font-weight:700;margin-bottom:12px;color:var(--color-text)}.card-divider{height:1px;background:var(--color-border-light);margin:24px 0}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:6px;color:var(--color-text)}.form-group .hint{font-size:13px;color:var(--color-text-muted);margin-bottom:6px;line-height:1.5}input[type=text],input[type=date],input[type=url],textarea,select{width:100%;padding:10px 14px;border:1.5px solid var(--color-border);border-radius:var(--radius);font-size:14px;font-family:inherit;color:var(--color-text);background:var(--color-surface);transition:all 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#635bff59;transform:translateY(-1px)}.btn-success{background:var(--color-success);color:#fff;box-shadow:0 1px 3px #0ea5604d}.btn-success:hover:not(:disabled){background:#0c8f54;box-shadow:0 4px 12px #0ea56059;transform:translateY(-1px)}.btn-danger{background:var(--color-danger);color:#fff;box-shadow:0 1px 3px #df1b414d}.btn-danger:hover:not(:disabled){background:#c41636;box-shadow:0 4px 12px #df1b4159;transform:translateY(-1px)}.btn-outline{background:var(--color-surface);border:1.5px solid var(--color-border);color:var(--color-text-secondary)}.btn-outline:hover:not(:disabled){background:var(--color-bg);border-color:#c4cad4;color:var(--color-text)}.btn-ghost{background:transparent;color:var(--color-primary);padding:8px 16px}.btn-ghost:hover:not(:disabled){background:var(--color-primary-bg)}.btn-sm{padding:6px 14px;font-size:13px;border-radius:var(--radius-sm)}.btn-lg{padding:14px 36px;font-size:16px;font-weight:700;border-radius:var(--radius)}.btn-row{display:flex;justify-content:space-between;align-items:center;margin-top:28px;padding-top:24px;border-top:1px solid var(--color-border-light);gap:12px}.btn-row-right{display:flex;gap:8px;margin-left:auto}.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:4px 16px}.info-item{padding:10px 14px;border-radius:var(--radius-sm);background:var(--color-bg);margin-bottom:2px}.info-item .info-label{font-size:11px;text-transform:uppercase;letter-spacing:.6px;font-weight:600;color:var(--color-text-muted);margin-bottom:3px}.info-item .info-value{font-size:14px;font-weight:600;color:var(--color-text)}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;letter-spacing:.1px;line-height:1.4}.badge-open{background:var(--color-warning-light);color:#92400e}.badge-submitted{background:#dbeafe;color:#1e40af}.badge-won{background:var(--color-success-light);color:#065f46}.badge-lost{background:var(--color-danger-light);color:#991b1b}.badge-finalized{background:var(--color-success-light);color:#065f46}.dispute-list{max-height:420px;overflow-y:auto;border:1.5px solid var(--color-border);border-radius:var(--radius)}.dispute-list::-webkit-scrollbar{width:6px}.dispute-list::-webkit-scrollbar-track{background:transparent}.dispute-list::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}.dispute-list-item{padding:14px 18px;border-bottom:1px solid var(--color-border-light);cursor:pointer;transition:all var(--transition)}.dispute-list-item:last-child{border-bottom:none}.dispute-list-item:hover{background:var(--color-primary-bg)}.dispute-list-item.selected{background:var(--color-primary-bg);border-left:3px solid var(--color-primary);box-shadow:inset 0 0 0 1px #635bff1a}.dispute-list-row{display:flex;justify-content:space-between;align-items:center}.dispute-list-row+.dispute-list-row{margin-top:6px}.dispute-list-id{font-family:SF Mono,Fira Code,Fira Mono,Menlo,monospace;font-size:13px;font-weight:600;color:var(--color-text)}.dispute-list-detail{font-size:13px;color:var(--color-text-secondary)}.dispute-list-amount{font-weight:700;color:var(--color-text);font-size:15px}.upload-category{border:1.5px solid var(--color-border);border-radius:var(--radius);padding:18px;margin-bottom:14px;transition:all var(--transition)}.upload-category:hover{border-color:#c4cad4}.upload-category-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.upload-category 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svg{color:var(--color-primary)}.drop-zone-uploading{cursor:default;opacity:.7}.drop-zone-content{display:flex;align-items:center;justify-content:center;gap:10px}.drop-zone-content svg{color:var(--color-text-muted);flex-shrink:0}.drop-zone-text{font-size:13px;color:var(--color-text-secondary)}.drop-zone-link{color:var(--color-primary);font-weight:600;text-decoration:underline}.file-input-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.file-input-row input[type=text]{flex:1;min-width:150px}.file-list{margin-top:10px}.file-item{display:flex;justify-content:space-between;align-items:center;padding:8px 12px;background:var(--color-bg);border-radius:var(--radius-sm);margin-top:6px;font-size:13px;border:1px solid var(--color-border-light);transition:all var(--transition)}.file-item:hover{border-color:var(--color-border)}.file-item .file-icon{color:var(--color-primary);margin-right:8px;font-size:14px}.file-item .file-name{font-weight:600;color:var(--color-text)}.file-item .file-size{color:var(--color-text-muted);font-size:12px;margin-left:8px}.file-item .file-notes{color:var(--color-text-muted);font-size:12px;font-style:italic;margin-left:8px}.file-item button{background:none;border:none;color:var(--color-text-muted);cursor:pointer;font-size:14px;padding:4px 8px;border-radius:var(--radius-sm);transition:all var(--transition);line-height:1}.file-item button:hover{color:var(--color-danger);background:var(--color-danger-light)}.review-section{margin-bottom:24px}.review-section h3{font-size:12px;font-weight:700;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.8px;margin-bottom:12px;display:flex;align-items:center;gap:8px}.review-section h3:after{content:"";flex:1;height:1px;background:var(--color-border-light)}.review-files-group{margin-bottom:14px}.review-files-group h4{font-size:13px;font-weight:600;margin-bottom:6px;color:var(--color-text-secondary)}.letter-preview{background:var(--color-bg);border:1.5px solid var(--color-border);border-radius:var(--radius);padding:20px;font-size:13px;white-space:pre-wrap;max-height:300px;overflow-y:auto;line-height:1.7;color:var(--color-text-secondary)}.alert{padding:14px 18px;border-radius:var(--radius);margin-bottom:16px;font-size:13px;line-height:1.6;display:flex;align-items:flex-start;gap:10px}.alert-icon{flex-shrink:0;font-size:16px;line-height:1.4}.alert-error{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}.alert-success{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}.alert-info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af}.alert-warning{background:var(--color-warning-light);border:1px solid #fde68a;color:#92400e}.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.spinner-dark{border-color:#635bff26;border-top-color:var(--color-primary)}@keyframes spin{to{transform:rotate(360deg)}}.loading-state{text-align:center;padding:48px 24px;color:var(--color-text-secondary);font-size:14px}.loading-state .spinner{width:24px;height:24px;border-width:3px;margin-bottom:12px;display:block;margin-left:auto;margin-right:auto}.submitted-banner{text-align:center;padding:40px 24px}.submitted-banner .check-icon{width:72px;height:72px;background:var(--color-success-light);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;font-size:36px}.submitted-banner h2{border:none;padding:0;color:var(--color-success);font-size:22px;font-weight:700}.submitted-banner p{color:var(--color-text-secondary);margin-top:8px}.empty-state{text-align:center;padding:32px;color:var(--color-text-muted)}.empty-state-icon{font-size:36px;margin-bottom:8px;opacity:.5}.dispute-summary{background:var(--color-bg);border:1.5px solid var(--color-border);border-radius:var(--radius);padding:20px;margin-top:20px}.dispute-summary h3{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--color-text);display:flex;align-items:center;gap:8px}.step-header{margin-bottom:24px}.step-header h2{margin-bottom:6px}.step-header p{color:var(--color-text-secondary);font-size:14px;line-height:1.6}.section-label{font-size:13px;font-weight:600;color:var(--color-text);margin-bottom:8px;display:flex;align-items:center;gap:6px}.textarea-ai{border:1.5px solid var(--color-border);border-radius:var(--radius);font-family:Inter,sans-serif;font-size:14px;line-height:1.7;padding:16px}.textarea-ai:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #635bff1f}.action-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}.submit-info{background:linear-gradient(135deg,#eff6ff,#eef2ff);border:1px solid #bfdbfe;border-radius:var(--radius);padding:18px 20px;margin-bottom:4px}.submit-info p{font-size:14px;font-weight:600;color:#1e40af;margin-bottom:8px}.submit-info ul{padding-left:20px;font-size:13px;color:#3b5998;line-height:1.8}.dispute-info-panel{background:var(--color-surface);border:1px solid var(--color-border-light);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);margin-bottom:16px;overflow:hidden}.dispute-info-panel-header{display:flex;justify-content:space-between;align-items:center;padding:12px 20px;cursor:pointer;-webkit-user-select:none;user-select:none;transition:background var(--transition)}.dispute-info-panel-header:hover{background:var(--color-bg)}.dispute-info-panel-title{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--color-text)}.dispute-info-panel-title svg{color:var(--color-primary)}.dispute-info-panel-toggle{display:flex;align-items:center;gap:10px}.dispute-info-panel-summary{font-size:12px;font-family:SF Mono,Fira Code,monospace;color:var(--color-text-muted)}.dispute-info-panel-toggle svg{color:var(--color-text-muted)}.dispute-info-panel-body{padding:0 20px 16px;animation:fadeSlideIn .2s ease-out}.dispute-info-panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 24px}.dispute-info-panel-col{min-width:0}.dispute-info-panel-section-label{font-size:10px;text-transform:uppercase;letter-spacing:.8px;font-weight:700;color:var(--color-text-muted);margin-bottom:8px;padding-bottom:6px;border-bottom:1px solid var(--color-border-light)}.dispute-info-panel-row{display:flex;align-items:baseline;gap:8px;padding:3px 0;font-size:13px;line-height:1.5}.dispute-info-panel-row-address{align-items:flex-start}.dip-label{flex-shrink:0;width:54px;font-size:11px;font-weight:600;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.3px}.dip-value{font-weight:500;color:var(--color-text);min-width:0;overflow:hidden;text-overflow:ellipsis}.dip-mono{font-family:SF Mono,Fira Code,monospace;font-size:12px}.dip-amount{font-weight:700;color:var(--color-primary)}.dip-due{font-weight:700;color:var(--color-danger)}.dip-email{color:var(--color-primary);word-break:break-all}.dip-address{white-space:pre-line;line-height:1.4}.dip-muted{color:var(--color-text-muted);font-style:italic;font-weight:400}@media (max-width: 640px){.app-container{padding:16px 12px 48px}.card{padding:20px 16px}.info-grid{grid-template-columns:1fr}.progress-bar:before{left:40px;right:40px}.step-label{font-size:10px;max-width:60px}.step-number{width:34px;height:34px;font-size:13px}.btn-row{flex-direction:column-reverse;gap:8px}.btn-row .btn{width:100%;justify-content:center}.file-input-row{flex-direction:column;align-items:stretch}.dispute-info-panel-grid{grid-template-columns:1fr;gap:16px 0}.dispute-info-panel-summary{display:none}}