:root{--primary: #6366f1;--primary-hover: #4f46e5;--primary-light: #eef2ff;--primary-dark: #4338ca;--sidebar-bg: #0f172a;--sidebar-hover: rgba(255,255,255,.06);--sidebar-active: rgba(99,102,241,.2);--sidebar-text: #94a3b8;--sidebar-text-active: #ffffff;--bg: #f1f5f9;--surface: #ffffff;--border: #e2e8f0;--border-light: #f1f5f9;--text: #0f172a;--text-secondary: #475569;--text-muted: #94a3b8;--success: #10b981;--success-light: #d1fae5;--danger: #ef4444;--danger-light: #fee2e2;--warning: #f59e0b;--warning-light: #fef3c7;--info: #3b82f6;--info-light: #dbeafe;--radius: 8px;--radius-sm: 6px;--radius-lg: 12px;--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 -1px rgba(0,0,0,.1), 0 2px 4px -1px 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)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--bg);color:var(--text);font-size:14px;line-height:1.5}#root{min-height:100vh}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#94a3b8}.fm-nav-item{display:flex;align-items:center;gap:12px;padding:9px 16px;cursor:pointer;color:var(--sidebar-text);transition:all .15s ease;border-radius:var(--radius-sm);margin:2px 8px;font-size:13px;font-weight:500;text-decoration:none;border:none;background:none;width:calc(100% - 16px);text-align:left}.fm-nav-item:hover{background:var(--sidebar-hover);color:var(--sidebar-text-active)}.fm-nav-item.active{background:var(--sidebar-active);color:var(--primary)}.fm-tree-item{display:flex;align-items:center;gap:8px;padding:6px 12px;cursor:pointer;color:var(--sidebar-text);transition:all .12s ease;border-radius:var(--radius-sm);margin:1px 8px;font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;user-select:none}.fm-tree-item:hover{background:var(--sidebar-hover);color:var(--sidebar-text-active)}.fm-tree-item.active{background:var(--sidebar-active);color:var(--primary);font-weight:600}.fm-tree-toggle{width:16px;height:16px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:9px;opacity:.6;transition:transform .15s ease}.fm-tree-toggle.expanded{transform:rotate(90deg)}.fm-file-row{display:flex;align-items:center;padding:8px 16px;gap:12px;border-bottom:1px solid var(--border-light);cursor:pointer;transition:background .1s ease;position:relative}.fm-file-row:hover{background:var(--primary-light)}.fm-file-row.selected{background:#e0e7ff}.fm-file-row .fm-actions{opacity:0;transition:opacity .15s}.fm-file-row:hover .fm-actions{opacity:1}.fm-file-card{border:2px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:all .15s ease;background:var(--surface);position:relative}.fm-file-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md);transform:translateY(-2px)}.fm-file-card.selected{border-color:var(--primary);background:var(--primary-light)}.fm-file-card .fm-card-actions{position:absolute;top:8px;right:8px;opacity:0;transition:opacity .15s}.fm-file-card:hover .fm-card-actions{opacity:1}.fm-folder-card{border:2px solid var(--border);border-radius:var(--radius);padding:14px 16px;cursor:pointer;transition:all .15s ease;background:#fefce8;display:flex;align-items:center;gap:12px}.fm-folder-card:hover{border-color:#eab308;box-shadow:var(--shadow-md);transform:translateY(-1px)}.fm-folder-row{display:flex;align-items:center;padding:8px 16px;gap:12px;border-bottom:1px solid var(--border-light);cursor:pointer;transition:background .1s ease;background:#fffef5}.fm-folder-row:hover{background:#fef9c3}.fm-context-menu{position:fixed;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow-lg);border:1px solid var(--border);padding:4px 0;z-index:9999;min-width:200px;animation:contextIn .12s ease-out}.fm-context-item{display:flex;align-items:center;gap:12px;padding:8px 16px;cursor:pointer;font-size:13px;transition:background .08s ease;color:var(--text);border:none;background:none;width:100%;text-align:left}.fm-context-item:hover{background:var(--primary-light);color:var(--primary)}.fm-context-item.danger{color:var(--danger)}.fm-context-item.danger:hover{background:var(--danger-light);color:var(--danger)}.fm-context-sep{height:1px;background:var(--border);margin:4px 0}@keyframes contextIn{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.fm-toast-container{position:fixed;top:20px;right:20px;z-index:99999;display:flex;flex-direction:column;gap:8px;pointer-events:none}.fm-toast{padding:12px 20px;border-radius:var(--radius);color:#fff;font-size:13px;font-weight:500;box-shadow:var(--shadow-lg);animation:toastIn .3s ease-out;display:flex;align-items:center;gap:10px;pointer-events:auto;max-width:380px}.fm-toast.success{background:var(--success)}.fm-toast.error{background:var(--danger)}.fm-toast.info{background:var(--info)}.fm-toast.warning{background:var(--warning)}@keyframes toastIn{0%{opacity:0;transform:translate(100px)}to{opacity:1;transform:translate(0)}}.fm-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:7px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;font-size:13px;font-weight:500;background:var(--surface);color:var(--text);transition:all .15s ease;white-space:nowrap;text-decoration:none}.fm-btn:hover{background:var(--bg);border-color:var(--text-muted)}.fm-btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.fm-btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.fm-btn-success{background:var(--success);color:#fff;border-color:var(--success)}.fm-btn-success:hover{background:#059669}.fm-btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.fm-btn-danger:hover{background:#dc2626}.fm-btn-ghost{background:transparent;border-color:transparent}.fm-btn-ghost:hover{background:var(--bg)}.fm-btn-sm{padding:4px 10px;font-size:12px}.fm-btn-icon{width:32px;height:32px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);border:none;background:transparent;cursor:pointer;transition:background .15s;color:var(--text-secondary)}.fm-btn-icon:hover{background:var(--bg);color:var(--text)}.fm-dropdown{position:absolute;top:calc(100% + 4px);right:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);min-width:220px;padding:4px 0;z-index:9999;animation:contextIn .12s ease-out}.fm-dropdown-item{display:flex;align-items:center;gap:12px;padding:9px 16px;cursor:pointer;font-size:13px;transition:background .1s;color:var(--text);text-decoration:none;border:none;background:none;width:100%;text-align:left}.fm-dropdown-item:hover{background:var(--primary-light)}.fm-dropdown-sep{height:1px;background:var(--border);margin:4px 0}.fm-drop-overlay{position:fixed;inset:0;background:#6366f114;backdrop-filter:blur(2px);z-index:9998;display:flex;align-items:center;justify-content:center;border:3px dashed var(--primary);pointer-events:none}.fm-modal-overlay{position:fixed;inset:0;background:#0006;backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:10000;animation:fadeIn .15s ease}.fm-modal{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-width:500px;width:90%;max-height:80vh;overflow:auto;animation:modalIn .2s ease-out}.fm-modal-header{padding:20px 24px 0;font-size:18px;font-weight:600}.fm-modal-body{padding:16px 24px}.fm-modal-footer{padding:0 24px 20px;display:flex;gap:10px;justify-content:flex-end}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalIn{0%{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.fm-input{width:100%;padding:9px 14px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;color:var(--text);background:var(--surface);transition:border-color .15s,box-shadow .15s;outline:none}.fm-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}.fm-input-search{padding-left:36px;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M21 21l-6-6m2-5a7 7 0 11-14 0 7 7 0 0114 0z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:10px center;background-size:18px}.fm-progress{width:100%;height:6px;background:var(--border);border-radius:3px;overflow:hidden}.fm-progress-bar{height:100%;background:linear-gradient(90deg,var(--primary),var(--primary-hover));border-radius:3px;transition:width .3s ease}.fm-badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:600}.fm-badge-success{background:var(--success-light);color:var(--success)}.fm-badge-info{background:var(--info-light);color:var(--info)}.fm-badge-warning{background:var(--warning-light);color:var(--warning)}.fm-checkbox{width:16px;height:16px;border:2px solid var(--border);border-radius:3px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .15s;flex-shrink:0;background:var(--surface)}.fm-checkbox.checked{background:var(--primary);border-color:var(--primary)}.fm-checkbox:hover{border-color:var(--primary)}.fm-skeleton{background:linear-gradient(90deg,var(--border-light) 25%,var(--border) 50%,var(--border-light) 75%);background-size:200% 100%;animation:skeleton 1.5s ease infinite;border-radius:var(--radius-sm)}@keyframes skeleton{0%{background-position:200% 0}to{background-position:-200% 0}}@media (max-width: 900px){.fm-sidebar-hide{display:none!important}}.fm-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--text-muted);text-align:center}.fm-empty-icon{font-size:64px;margin-bottom:16px;opacity:.5}.fm-empty-title{font-size:18px;font-weight:600;color:var(--text-secondary);margin-bottom:8px}.fm-empty-desc{font-size:14px;max-width:400px}.fm-select{padding:7px 30px 7px 10px;border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;color:var(--text);background:var(--surface);cursor:pointer;outline:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 8px center;background-size:14px}.fm-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #6366f11a}