.back-button{display:flex;align-items:center;background:none;border:none;color:var(--text-secondary, #4a5568);font-size:.95rem;padding:8px 0;margin-bottom:16px;cursor:pointer;transition:color .2s ease}.back-button:hover{color:var(--primary-color, #f6961d)}.back-button svg{margin-right:8px}.doc-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:32px;flex-wrap:wrap;gap:16px}.doc-title{font-size:1.8rem;font-weight:600;margin:0 0 8px;color:var(--text-primary, #2d3748)}.doc-subtitle{display:flex;align-items:center;gap:8px}.classification-badge{display:inline-block;padding:4px 12px;border-radius:16px;font-size:.85rem;font-weight:500;background-color:#f6961d1a;color:var(--primary-color, #f6961d)}.classification-business-confidential{background-color:#f6961d1a;color:var(--primary-color, #f6961d)}.classification-customer-confidential{background-color:#dc26261a;color:#dc2626}.classification-public{background-color:#10b9811a;color:#10b981}.button-group{display:flex;gap:8px}.btn{display:flex;align-items:center;justify-content:center;padding:8px 16px;border-radius:6px;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s ease}.btn svg{margin-right:8px}.btn-outline{background:transparent;border:1px solid var(--border-color, rgba(0, 0, 0, .08));color:var(--text-secondary, #4a5568)}.btn-outline:hover{background:#00000008;border-color:#0000001f}.btn-primary{background:var(--primary-color, #f6961d);border:1px solid var(--primary-color, #f6961d);color:#fff}.btn-primary:hover{background:var(--secondary-color, #e88c18);border-color:var(--secondary-color, #e88c18)}.mr-2{margin-right:8px}.doc-section{margin-bottom:32px;padding-bottom:24px;border-bottom:1px solid var(--border-color, rgba(0, 0, 0, .08))}.doc-section:last-child{border-bottom:none;padding-bottom:0}.section-title{font-size:1.2rem;font-weight:600;margin-bottom:24px;color:var(--text-primary, #2d3748)}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.document-preview{background:#00000005;border:1px solid var(--border-color, rgba(0, 0, 0, .08));border-radius:8px;height:300px;display:flex;align-items:center;justify-content:center;margin-bottom:16px;overflow:hidden}.file-placeholder{display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-secondary, #4a5568)}.file-icon{margin-bottom:16px;color:var(--text-secondary, #4a5568)}.file-info{display:flex;gap:24px;margin-bottom:16px;color:var(--text-secondary, #4a5568);font-size:.9rem}.file-actions{display:flex;gap:8px}.property-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.property-item{display:flex;flex-direction:column;gap:8px}.property-item.full-width{grid-column:1 / -1}.property-item.empty-state{grid-column:1 / -1;text-align:center;padding:24px;color:var(--text-secondary, #4a5568)}.text-secondary{color:var(--text-secondary, #4a5568)}.history-panel{margin-top:24px}.history-items{display:flex;flex-direction:column;gap:16px}.history-item{display:grid;grid-template-columns:auto 1fr auto;gap:16px;padding:16px;background:#00000005;border-radius:8px;transition:background .2s ease}.history-item:hover{background:#f6961d0d}.history-icon{display:flex;align-items:center;justify-content:center;width:32px;height:32px;background:var(--primary-color, #f6961d);border-radius:50%;color:#fff}.history-content{display:flex;flex-direction:column;gap:4px}.history-title{font-weight:500;color:var(--text-primary, #2d3748)}.history-details{font-size:.9rem;color:var(--text-secondary, #4a5568)}.history-date{font-size:.85rem;color:var(--text-secondary, #4a5568);white-space:nowrap}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{border-radius:8px;padding:24px;width:100%;max-width:500px;box-shadow:0 4px 24px #0000001a}.modal-content h3{margin-top:0;margin-bottom:16px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:24px}@media (max-width: 768px){.doc-header{flex-direction:column;align-items:flex-start}.property-grid{grid-template-columns:1fr}.file-info{flex-direction:column;gap:8px}}