:root{--primary: #4F46E5;--primary-hover: #4338CA;--primary-light: #EEF2FF;--bg: #F9FAFB;--surface: #FFFFFF;--text: #111827;--text-secondary: #6B7280;--border: #E5E7EB;--error: #EF4444;--success: #10B981;--sidebar: #1E293B;--sidebar-text: #94A3B8;--sidebar-hover: #334155;--radius: 8px;--shadow: 0 1px 3px rgba(0,0,0,.1), 0 1px 2px rgba(0,0,0,.06);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.1), 0 4px 6px -2px rgba(0,0,0,.05)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased}.loading-container{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px;color:var(--text-secondary)}.loading-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(135deg,#eef2ff,#f9fafb,#ecfdf5)}.auth-card{background:var(--surface);border-radius:16px;box-shadow:var(--shadow-lg);padding:40px;width:100%;max-width:440px}.auth-logo{text-align:center;margin-bottom:32px}.auth-logo h1{font-size:28px;font-weight:700;color:var(--primary);letter-spacing:-.5px}.auth-logo p{color:var(--text-secondary);margin-top:8px;font-size:14px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:14px;font-weight:500;color:var(--text);margin-bottom:6px}.form-group input{width:100%;padding:10px 14px;font-size:15px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);transition:border-color .2s,box-shadow .2s;outline:none}.form-group input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.form-group select,.form-group textarea{width:100%;padding:10px 14px;font-size:15px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--text);transition:border-color .2s,box-shadow .2s;outline:none;font-family:inherit}.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px #4f46e51a}.form-group textarea{resize:vertical;min-height:80px}.form-group .error-text{color:var(--error);font-size:13px;margin-top:4px}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;font-size:15px;font-weight:500;border:none;border-radius:var(--radius);cursor:pointer;transition:all .2s;text-decoration:none;gap:8px}.btn-primary{background:var(--primary);color:#fff;width:100%}.btn-primary:hover{background:var(--primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{background:transparent;color:var(--primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--primary-light)}.btn-danger{background:var(--error);color:#fff}.btn-danger:hover{opacity:.9}.auth-footer{text-align:center;margin-top:24px;font-size:14px;color:var(--text-secondary)}.auth-footer a{color:var(--primary);text-decoration:none;font-weight:500}.auth-footer a:hover{text-decoration:underline}.alert{padding:12px 16px;border-radius:var(--radius);font-size:14px;margin-bottom:20px}.alert-error{background:#fef2f2;color:var(--error);border:1px solid #FECACA}.alert-success{background:#ecfdf5;color:#065f46;border:1px solid #A7F3D0}.app-layout{display:flex;height:100vh}.sidebar{width:260px;background:var(--sidebar);color:var(--sidebar-text);display:flex;flex-direction:column;flex-shrink:0}.sidebar-header{padding:20px 24px;border-bottom:1px solid rgba(255,255,255,.08)}.sidebar-header h2{color:#fff;font-size:20px;font-weight:700;letter-spacing:-.3px}.sidebar-nav{padding:12px;flex:1}.sidebar-nav a{display:flex;align-items:center;gap:12px;padding:10px 12px;color:var(--sidebar-text);text-decoration:none;border-radius:6px;font-size:14px;font-weight:500;transition:all .15s}.sidebar-nav a:hover{background:var(--sidebar-hover);color:#fff}.sidebar-nav a.active{background:var(--primary);color:#fff}.sidebar-footer{padding:16px 24px;border-top:1px solid rgba(255,255,255,.08)}.user-info{display:flex;align-items:center;gap:12px;margin-bottom:12px}.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;font-size:14px}.user-details{flex:1;min-width:0}.user-name{color:#fff;font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.user-email{font-size:12px;color:var(--sidebar-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.logout-btn{width:100%;padding:8px;font-size:13px;background:transparent;border:1px solid rgba(255,255,255,.1);color:var(--sidebar-text);border-radius:6px;cursor:pointer;transition:all .15s}.logout-btn:hover{background:#ffffff0d;color:#fff}.main-content{flex:1;overflow-y:auto;padding:32px}.page-header{margin-bottom:32px}.page-header h1{font-size:24px;font-weight:700;color:var(--text)}.page-header p{color:var(--text-secondary);font-size:14px;margin-top:4px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin-bottom:32px}.stat-card{background:var(--surface);border-radius:12px;padding:24px;box-shadow:var(--shadow)}.stat-card h3{font-size:13px;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px}.stat-card .stat-value{font-size:32px;font-weight:700;color:var(--text);margin-top:8px}.card{background:var(--surface);border-radius:12px;box-shadow:var(--shadow);padding:24px}.card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.card-header h2{font-size:18px;font-weight:600}.data-table{width:100%;border-collapse:collapse}.data-table th{text-align:left;padding:10px 16px;font-size:12px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.5px;border-bottom:2px solid var(--border)}.data-table td{padding:12px 16px;font-size:14px;border-bottom:1px solid var(--border)}.data-table tr:last-child td{border-bottom:none}.data-table tr:hover td{background:#f9fafb}.badge{display:inline-flex;align-items:center;padding:2px 10px;border-radius:9999px;font-size:12px;font-weight:500}.badge-user{background:#f3f4f6;color:#374151}.badge-role{background:#fff7ed;color:#c2410c}.badge-admin{background:#eef2ff;color:#4f46e5}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:100;padding:24px}.modal{background:var(--surface);border-radius:16px;width:100%;max-width:480px;padding:32px;box-shadow:var(--shadow-lg)}.modal h2{font-size:20px;font-weight:600;margin-bottom:24px}.modal-actions{display:flex;gap:12px;margin-top:24px}.modal-actions .btn{flex:1}.context-menu-item:hover{background:#f3f4f6}.context-menu-danger:hover{background:#fef2f2}.doc-item:hover{background:#f9fafb}.doc-item-selected{background:var(--primary-light)!important}.doc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:16px;padding:20px}.doc-grid-item{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px 16px 16px;cursor:pointer;transition:all .15s;position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;gap:8px}.doc-grid-item:hover{border-color:var(--primary);box-shadow:0 4px 12px #4f46e51a;transform:translateY(-2px)}.doc-grid-item-selected{border-color:var(--primary);background:var(--primary-light);box-shadow:0 4px 12px #4f46e526}.doc-grid-icon{font-size:40px;line-height:1;margin-bottom:4px}.doc-grid-name{font-size:13px;font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}.doc-grid-info{font-size:11px;color:var(--text-secondary)}.doc-grid-author{font-size:11px;color:var(--text-secondary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:100%}@media(max-width:768px){.sidebar{width:100%;position:fixed;bottom:0;z-index:50;flex-direction:row;height:64px}.sidebar-header,.sidebar-footer{display:none}.sidebar-nav{display:flex;padding:0;flex:1}.sidebar-nav a{flex:1;justify-content:center;border-radius:0;padding:8px;font-size:12px;flex-direction:column;gap:4px}.main-content{padding:16px 16px 80px}.doc-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:12px;padding:12px}.doc-grid-icon{font-size:32px}.doc-grid-name{font-size:12px}.doc-list-header{display:none!important}.doc-item{grid-template-columns:1fr!important}.doc-item>span:nth-child(2),.doc-item>span:nth-child(3),.doc-item>span:nth-child(4),.doc-item>span:nth-child(5),.doc-item>div:last-child{display:none}}