@import"https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap";:root{--primary: #4F46E5;--primary-hover: #4338CA;--primary-light: #EEF2FF;--secondary: #10B981;--accent: #F59E0B;--danger: #EF4444;--bg-main: #F8FAFC;--bg-sidebar: #FFFFFF;--surface: #FFFFFF;--border: #E2E8F0;--text-main: #0F172A;--text-muted: #64748B;--text-inverse: #FFFFFF;--shadow-sm: 0 1px 2px 0 rgb(0 0 0 / .05);--shadow-md: 0 4px 6px -1px rgb(0 0 0 / .1), 0 2px 4px -2px rgb(0 0 0 / .1);--shadow-lg: 0 10px 15px -3px rgb(0 0 0 / .1), 0 4px 6px -4px rgb(0 0 0 / .1);--radius-md: 12px;--radius-lg: 16px;--sidebar-width: 280px;--header-height: 72px}*{box-sizing:border-box}body,html{margin:0;padding:0;height:100%;font-family:Plus Jakarta Sans,sans-serif;background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;overflow:hidden}#root{height:100%}.app-layout{display:flex;height:100vh;width:100vw}.sidebar{width:var(--sidebar-width);background:var(--bg-sidebar);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px;flex-shrink:0;z-index:50}.sidebar-logo{font-size:20px;font-weight:800;color:var(--primary);margin-bottom:40px;display:flex;align-items:center;gap:12px;letter-spacing:-.5px}.nav-menu{display:flex;flex-direction:column;gap:8px}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--radius-md);text-decoration:none;color:var(--text-muted);font-weight:600;font-size:14px;transition:all .2s}.nav-item:hover{background:var(--primary-light);color:var(--primary)}.nav-item.active{background:var(--primary);color:var(--text-inverse);box-shadow:0 4px 12px #4f46e54d}.main-content{flex-grow:1;overflow-y:auto;display:flex;flex-direction:column;position:relative}.content-header{height:var(--header-height);background:rgba(255,255,255,.8);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);padding:0 40px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:40}.explorer-container{padding:40px;max-width:1400px;margin:0 auto;width:100%}.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px;gap:24px}.search-box{flex-grow:1;position:relative;max-width:500px}.search-input{width:100%;padding:14px 20px 14px 52px;border:1px solid var(--border);border-radius:14px;background:var(--surface);font-size:15px;font-weight:500;transition:all .2s;box-shadow:var(--shadow-sm)}.search-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px #4f46e51a}.search-box:before{content:"\1f50d";position:absolute;left:20px;top:50%;transform:translateY(-50%);opacity:.5;font-size:18px}.folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:24px;margin-bottom:48px}.folder-item{background:var(--surface);padding:24px;border-radius:var(--radius-lg);border:1px solid var(--border);display:flex;flex-direction:column;gap:12px;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1);box-shadow:var(--shadow-sm)}.folder-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--primary)}.folder-icon{font-size:40px;background:#FFFBEB;width:64px;height:64px;display:flex;align-items:center;justify-content:center;border-radius:16px}.folder-name{font-weight:700;font-size:16px;color:var(--text-main)}.content-list{background:var(--surface);border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow-sm);overflow:hidden}.content-row{display:grid;grid-template-columns:48px 48px 1fr auto;align-items:center;padding:20px 32px;border-bottom:1px solid var(--border);transition:background .2s}.content-row:last-child{border-bottom:none}.content-row:hover{background:var(--bg-main)}.content-checkbox{width:20px;height:20px;accent-color:var(--primary)}.content-icon{font-size:24px}.content-title{font-weight:600;font-size:16px;color:var(--text-main)}.content-meta{font-size:13px;color:var(--text-muted);margin-top:4px;display:flex;gap:16px}.tag-pill{background:var(--primary-light);color:var(--primary);padding:2px 10px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase}.btn{padding:10px 20px;border-radius:12px;font-weight:700;font-size:14px;cursor:pointer;transition:all .2s;border:none;display:inline-flex;align-items:center;gap:8px;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px)}.btn-outline{background:transparent;border:1px solid var(--border);color:var(--text-muted)}.btn-outline:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.modal-overlay{background:rgba(15,23,42,.6);backdrop-filter:blur(4px);position:fixed;inset:0;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal-content{background:var(--surface);width:100%;max-width:560px;border-radius:24px;padding:32px;box-shadow:var(--shadow-lg);border:1px solid var(--border)}.folder-tree-container{background:var(--bg-main);border-radius:var(--radius-md);padding:12px;margin:20px 0;max-height:400px;overflow-y:auto;border:1px solid var(--border)}.hierarchy-sidebar{width:300px;background:white;border-left:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;height:100vh}.sidebar-header{padding:24px;display:flex;justify-content:space-between;align-items:center}.tree-scroll-area{flex-grow:1;overflow-y:auto;padding:0 0 40px}.tree-node{padding:10px 16px;border-radius:8px;cursor:pointer;font-weight:600;font-size:13px;transition:all .2s;display:flex;align-items:center;color:var(--text-muted);margin:0 12px 2px}.tree-node:hover{background:var(--bg-main);color:var(--primary)}.tree-node.selected{background:var(--primary-light);color:var(--primary);box-shadow:0 2px 4px #4f46e51a}.content-node{font-weight:500;color:var(--text-main)}.tree-text{flex-grow:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.tree-children{margin-top:2px}.explorer-container{padding:40px;width:100%}.bulk-actions-bar{background:var(--text-main);color:#fff;padding:16px 32px;border-radius:var(--radius-lg);margin-bottom:32px;display:flex;justify-content:space-between;align-items:center;box-shadow:var(--shadow-lg)}.no-content{padding:80px;text-align:center;background:var(--surface);border-radius:var(--radius-lg);border:2px dashed var(--border);color:var(--text-muted)}