:root{--primary: #c06c4e;--primary-dark: #8e3e1f;--primary-light: #fbe9e4;--secondary: #64748b;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--bg: #f8fafc;--surface: #ffffff;--border: #e2e8f0;--text: #1e293b;--text-muted: #64748b;--shadow-sm: 0 1px 2px rgba(0,0,0,.05);--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px rgba(0,0,0,.1), 0 4px 6px rgba(0,0,0,.05);--radius: 8px;--radius-sm: 4px;--radius-lg: 12px}*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;font-size:14px}#root{min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;font-size:inherit;cursor:pointer}input,textarea,select{font-family:inherit;font-size:inherit}.loading-screen{display:flex;align-items:center;justify-content:center;min-height:100vh;font-size:1.2rem;color:var(--text-muted)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#c06c4e,#8e3e1f);padding:20px}.login-box{background:#fff;border-radius:var(--radius-lg);padding:40px;box-shadow:var(--shadow-lg);width:100%;max-width:420px}.login-box h1{margin:0 0 8px;font-size:1.5rem;color:var(--text)}.login-box .subtitle{color:var(--text-muted);margin-bottom:32px}.layout{display:flex;min-height:100vh}.sidebar{width:260px;background:#fff;border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;height:100vh;overflow-y:auto;z-index:100}.sidebar-header{padding:20px;border-bottom:1px solid var(--border)}.sidebar-header h1{margin:0;font-size:1.15rem;color:var(--primary)}.sidebar-header .subtitle{font-size:.75rem;color:var(--text-muted);margin-top:4px}.sidebar-nav{flex:1;padding:16px 0}.nav-section-title{padding:8px 20px;font-size:.7rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);font-weight:600}.nav-link{display:flex;align-items:center;gap:12px;padding:10px 20px;color:var(--text);text-decoration:none;border-left:3px solid transparent;transition:all .15s}.nav-link:hover{background:var(--bg);text-decoration:none}.nav-link.active{background:var(--primary-light);color:var(--primary);border-left-color:var(--primary);font-weight:500}.nav-link-icon{font-size:1.1rem;width:20px;display:inline-flex;align-items:center;justify-content:center}.nav-link-badge{margin-left:auto;background:var(--danger);color:#fff;font-size:.7rem;padding:2px 6px;border-radius:10px;font-weight:600}.sidebar-footer{padding:16px 20px;border-top:1px solid var(--border);font-size:.85rem}.user-info{display:flex;align-items:center;gap:10px;margin-bottom:8px}.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;text-transform:uppercase}.user-details{flex:1;min-width:0}.user-name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-role{font-size:.75rem;color:var(--text-muted)}.logout-btn{width:100%;background:none;border:1px solid var(--border);padding:8px;border-radius:var(--radius-sm);color:var(--text-muted);margin-top:8px}.logout-btn:hover{background:var(--bg);color:var(--danger);border-color:var(--danger)}.main-content{flex:1;margin-left:260px;padding:24px 32px;max-width:100%}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:12px}.page-title{margin:0;font-size:1.5rem;color:var(--text)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;color:var(--text);font-weight:500;transition:all .15s;text-decoration:none}.btn:hover{background:var(--bg);text-decoration:none}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-danger:hover{background:#dc2626;color:#fff}.btn-secondary{background:var(--bg)}.btn-sm{padding:4px 10px;font-size:.8rem}.btn-icon{padding:6px 8px;background:transparent;border:1px solid transparent}.btn-icon:hover{background:var(--bg);border-color:var(--border)}.btn:disabled{opacity:.6;cursor:not-allowed}.form-group{margin-bottom:16px}.form-label{display:block;margin-bottom:4px;font-weight:500;font-size:.85rem;color:var(--text)}.form-control{width:100%;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;transition:border-color .15s}.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}.form-control:disabled{background:var(--bg);cursor:not-allowed}textarea.form-control{min-height:80px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.form-help{font-size:.8rem;color:var(--text-muted);margin-top:4px}.form-error{background:#fee2e2;color:#991b1b;padding:10px 12px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:.9rem}.form-success{background:#d1fae5;color:#065f46;padding:10px 12px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:.9rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm)}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.stat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;display:flex;align-items:center;gap:16px}.stat-icon{width:48px;height:48px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}.stat-content{flex:1;min-width:0}.stat-value{font-size:1.75rem;font-weight:600;color:var(--text)}.stat-label{font-size:.85rem;color:var(--text-muted)}.category-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;text-decoration:none;color:inherit;transition:all .15s;display:flex;align-items:center;gap:16px;border-left:4px solid var(--primary)}.category-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);text-decoration:none}.category-card-icon{width:52px;height:52px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.6rem;color:#fff;flex-shrink:0}.category-card-content{flex:1}.category-card-name{font-weight:600;font-size:1.05rem}.category-card-count{color:var(--text-muted);font-size:.9rem}.category-card-desc{color:var(--text-muted);font-size:.8rem;margin-top:2px}.table-container{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;overflow-x:auto}table{width:100%;border-collapse:collapse}th{text-align:left;padding:12px 16px;background:var(--bg);border-bottom:1px solid var(--border);font-weight:600;font-size:.85rem;color:var(--text-muted)}td{padding:12px 16px;border-bottom:1px solid var(--border)}tr:last-child td{border-bottom:none}tr:hover td{background:var(--bg)}.table-actions{display:flex;gap:4px;justify-content:flex-end}.badge{display:inline-flex;align-items:center;padding:2px 8px;font-size:.75rem;font-weight:500;border-radius:12px;background:var(--bg);color:var(--text)}.badge-primary{background:var(--primary-light);color:var(--primary-dark)}.badge-success{background:#d1fae5;color:#065f46}.badge-warning{background:#fef3c7;color:#92400e}.badge-danger{background:#fee2e2;color:#991b1b}.badge-secondary{background:#e5e7eb;color:#374151}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px}.modal{background:#fff;border-radius:var(--radius-lg);max-width:600px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg)}.modal-lg{max-width:800px}.modal-header{padding:20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.modal-title{margin:0;font-size:1.25rem}.modal-close{background:none;border:none;font-size:1.5rem;color:var(--text-muted);cursor:pointer;padding:0;width:28px;height:28px}.modal-body{padding:20px}.modal-footer{padding:16px 20px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end}.person-detail-header{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;gap:24px;margin-bottom:24px}.person-photo{width:140px;height:140px;border-radius:var(--radius);object-fit:cover;background:var(--bg);flex-shrink:0}.person-photo-placeholder{width:140px;height:140px;border-radius:var(--radius);background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:3rem;font-weight:600;flex-shrink:0}.person-info{flex:1}.person-name{font-size:1.6rem;font-weight:600;margin:0 0 8px}.person-meta{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:8px 16px;margin-top:12px}.person-meta-item{font-size:.9rem}.person-meta-label{color:var(--text-muted);font-size:.75rem;text-transform:uppercase}.tabs{display:flex;border-bottom:1px solid var(--border);margin-bottom:20px;gap:4px}.tab{padding:10px 16px;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-muted);font-weight:500}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.tab:hover:not(.active){color:var(--text)}.person-list-photo{width:36px;height:36px;border-radius:50%;object-fit:cover}.person-list-photo-placeholder{width:36px;height:36px;border-radius:50%;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.85rem}.search-bar{display:flex;gap:8px;align-items:center;margin-bottom:16px}.search-bar .form-control{max-width:320px}.document-item{display:flex;align-items:center;gap:12px;padding:12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#fff;margin-bottom:8px}.document-icon{font-size:1.5rem;width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--bg);border-radius:var(--radius-sm)}.document-info{flex:1;min-width:0}.document-name{font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.document-meta{font-size:.8rem;color:var(--text-muted)}.email-layout{display:grid;grid-template-columns:380px 1fr;gap:16px;height:calc(100vh - 140px)}.email-list{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow-y:auto}.email-item{padding:12px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background .1s}.email-item:hover{background:var(--bg)}.email-item.active{background:var(--primary-light)}.email-item.unread{font-weight:600}.email-item.unread:before{content:"";display:inline-block;width:8px;height:8px;background:var(--primary);border-radius:50%;margin-right:8px}.email-from{font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.email-subject{font-size:.9rem;color:var(--text);margin:2px 0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.email-preview{font-size:.8rem;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.email-date{font-size:.75rem;color:var(--text-muted)}.email-content{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px;overflow-y:auto}.email-content-header{padding-bottom:16px;border-bottom:1px solid var(--border);margin-bottom:16px}.email-content-subject{font-size:1.2rem;font-weight:600;margin:0 0 8px}.email-content-meta{font-size:.85rem;color:var(--text-muted);margin:2px 0}.email-content-body{white-space:pre-wrap;word-wrap:break-word;font-family:inherit}.chat-layout{display:grid;grid-template-columns:280px 1fr;gap:0;background:#fff;border:1px solid var(--border);border-radius:var(--radius);height:calc(100vh - 160px);height:calc(100dvh - 160px);min-height:500px;overflow:hidden}.chat-sidebar{display:flex;flex-direction:column;border-right:1px solid var(--border);background:var(--bg);overflow:hidden}.chat-filter{display:flex;padding:8px 12px 0;gap:4px}.chat-filter-btn{flex:1;background:#fff;border:1px solid var(--border);padding:4px 8px;border-radius:var(--radius-sm);font-size:.75rem;cursor:pointer;color:var(--text-muted)}.chat-filter-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.chat-channels{flex:1;overflow-y:auto;padding:4px 0}.chat-channel-item{display:flex;align-items:center;gap:10px;padding:8px 12px;width:100%;background:none;border:none;border-left:3px solid transparent;cursor:pointer;text-align:left;font-family:inherit}.chat-channel-item:hover{background:#0000000a}.chat-channel-item.active{background:#fff;border-left-color:var(--primary)}.chat-channel-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);color:var(--primary);border-radius:50%;font-weight:600;flex-shrink:0}.chat-channel-info{flex:1;min-width:0}.chat-channel-name{font-weight:500;font-size:.9rem;display:flex;align-items:center;gap:6px}.chat-channel-badge{background:var(--danger);color:#fff;font-size:.7rem;padding:1px 6px;border-radius:10px;font-weight:600}.chat-channel-meta{font-size:.75rem;color:var(--text-muted);margin-top:2px}.chat-main{display:flex;flex-direction:column;overflow:hidden}.chat-header{padding:12px 20px;border-bottom:1px solid var(--border);background:#fff;display:flex;justify-content:space-between;align-items:center}.chat-messages{flex:1;overflow-y:auto;padding:16px 20px;display:flex;flex-direction:column;gap:4px;background:#fafbfc}.chat-message{display:flex;margin:2px 0}.chat-message.own{justify-content:flex-end}.chat-message.system{justify-content:center;margin:8px 0}.chat-message-bubble{max-width:70%;background:#fff;border:1px solid var(--border);border-radius:12px;padding:8px 12px;font-size:.9rem}.chat-message.own .chat-message-bubble{background:var(--primary);color:#fff;border-color:var(--primary)}.chat-message-sender{font-size:.75rem;font-weight:600;color:var(--text-muted);margin-bottom:2px}.chat-message.own .chat-message-sender{color:#ffffffd9}.chat-message-body{white-space:pre-wrap;word-wrap:break-word}.chat-message-time{font-size:.7rem;color:var(--text-muted);margin-top:4px;text-align:right}.chat-message.own .chat-message-time{color:#ffffffb3}.chat-message-attachments{margin-top:6px;display:flex;flex-direction:column;gap:4px}.chat-attachment{display:flex;align-items:center;gap:6px;background:#0000000d;padding:4px 8px;border-radius:6px;font-size:.85rem}.chat-message.own .chat-attachment{background:#fff3}.chat-attachment-name{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-composer{padding:12px 20px;padding-bottom:calc(12px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--border);background:#fff}.chat-composer-row{display:flex;gap:8px;align-items:flex-end}.chat-composer-text{flex:1;resize:none;min-height:38px;max-height:120px}.chat-composer-files{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:8px}.chat-composer-file{background:var(--bg);border:1px solid var(--border);border-radius:12px;padding:3px 10px;font-size:.8rem;display:inline-flex;align-items:center;gap:6px}.chat-composer-file button{background:none;border:none;cursor:pointer;font-size:1rem;color:var(--danger);padding:0}@media (max-width: 768px){.chat-layout{grid-template-columns:1fr;height:calc(100vh - 100px);height:calc(100dvh - 100px);border-radius:0;border-left:0;border-right:0;margin:0 -16px}.chat-layout.mobile-show-sidebar .chat-main,.chat-layout.mobile-show-chat .chat-sidebar{display:none}.chat-message-bubble{max-width:88%}.chat-back-btn{display:inline-flex!important}}.chat-back-btn{display:none}.chat-tabs{display:flex;gap:2px;background:var(--bg);border-radius:var(--radius-sm);padding:2px}.chat-tab{padding:5px 12px;background:none;border:none;border-radius:var(--radius-sm);font-size:.8rem;font-weight:500;color:var(--text-muted);cursor:pointer;white-space:nowrap}.chat-tab.active{background:#fff;color:var(--text);box-shadow:var(--shadow-sm)}.chat-files-toolbar{padding:10px 20px;border-bottom:1px solid var(--border);background:#fff;display:flex;align-items:center;gap:8px;flex-wrap:wrap}.chat-files-count{font-size:.8rem;color:var(--text-muted);margin-left:auto}.chat-files-list{flex:1;overflow-y:auto;padding:8px 20px;background:#fafbfc}.chat-file-item{display:flex;align-items:center;gap:10px;padding:10px 12px;margin-bottom:4px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm)}.chat-file-icon{font-size:1.4rem;width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg);border-radius:var(--radius-sm);flex-shrink:0}.chat-file-info{flex:1;min-width:0}.chat-file-name{font-weight:500;font-size:.85rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.chat-file-meta{font-size:.75rem;color:var(--text-muted);margin-top:2px}.chat-file-actions{display:flex;gap:4px;flex-shrink:0}.chat-files-breadcrumb{padding:8px 20px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:6px;flex-wrap:wrap;font-size:.85rem}.chat-breadcrumb-item{background:none;border:none;padding:2px 8px;border-radius:var(--radius-sm);color:var(--primary);cursor:pointer;font-size:.85rem;font-family:inherit}.chat-breadcrumb-item:hover:not(:disabled){background:var(--primary-light)}.chat-breadcrumb-item:disabled{color:var(--text);cursor:default;font-weight:500}.chat-breadcrumb-sep{color:var(--text-muted)}.chat-folder-item{background:#fffbeb;border-color:#fde68a}.chat-folder-item:hover{background:#fef3c7}.chat-folder-open{padding:0!important}.move-modal-tree{border:1px solid var(--border);border-radius:var(--radius-sm);padding:6px 0;max-height:400px;overflow-y:auto;background:#fff}.move-modal-node{display:block;width:100%;text-align:left;padding:8px 12px;background:none;border:none;cursor:pointer;font-size:.9rem;font-family:inherit;color:var(--text);border-radius:var(--radius-sm)}.move-modal-node:hover:not(:disabled){background:var(--primary-light)}.move-modal-node.selected{background:var(--primary);color:#fff}.move-modal-node.selected:hover{background:var(--primary-dark)}.move-modal-node:disabled{cursor:not-allowed;color:var(--text-muted)}.privacy-page{max-width:800px;margin:0 auto;padding:40px 20px;line-height:1.7}.privacy-page h1{color:var(--primary)}.privacy-page h2{margin-top:32px;border-bottom:1px solid var(--border);padding-bottom:8px}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state-icon{font-size:3rem;margin-bottom:16px;opacity:.5}.empty-state-title{font-size:1.1rem;font-weight:500;margin-bottom:4px;color:var(--text)}@media (max-width: 768px){.sidebar{transform:translate(-100%);transition:transform .2s}.sidebar.open{transform:translate(0)}.main-content{margin-left:0;padding:16px}.form-row{grid-template-columns:1fr}.person-detail-header{flex-direction:column;align-items:center;text-align:center}.email-layout{grid-template-columns:1fr;height:auto}.menu-toggle{display:block!important}}.menu-toggle{display:none;background:#fff;border:1px solid var(--border);padding:8px 12px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:1.2rem}.checkbox-group{display:flex;align-items:center;gap:8px}.checkbox-group input[type=checkbox]{width:18px;height:18px;cursor:pointer}.spinner{display:inline-block;width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}