:root { --bg-color: #ffffff; --text-main: #333; --neo-yellow: 
:#FFD700; --border-color: #e0e0e0; }
* { margin: 0; padding: 0; box-sizing: border-box; font-family: 
'Segoe UI', sans-serif; } body { background: var(--bg-color); 
color: var(--text-main); line-height: 1.6; } .container { 
max-width: 900px; margin: 0 auto; padding: 20px; } header { 
display: flex; justify-content: space-between; align-items: 
center; padding-bottom: 20px; border-bottom: 2px solid 
var(--border-color); margin-bottom: 30px; } .logo { font-size: 
32px; font-weight: 800; color: var(--neo-yellow); text-transform: 
uppercase; display: flex; align-items: center; gap: 10px; 
text-shadow: 1px 1px 2px rgba(0,0,0,0.1); } .logo i { color: 
var(--text-main); } .search-wrapper { position: relative; width: 
100%; max-width: 500px; margin-bottom: 30px; } .search-input { 
width: 100%; padding: 12px 20px 12px 45px; border: 1px solid 
var(--border-color); border-radius: 8px; font-size: 16px; outline: 
none; } .search-input:focus { border-color: var(--neo-yellow); } 
.search-icon { position: absolute; left: 15px; top: 50%; 
transform: translateY(-50%); color: #666; } .file-list-header { 
display: grid; grid-template-columns: 40px 1fr 100px 80px; 
padding: 10px 15px; background: #f4f4f4; border-radius: 6px; 
font-weight: 600; font-size: 14px; color: #666; margin-bottom: 
10px; } .file-item { display: grid; grid-template-columns: 40px 
1fr 100px 80px; align-items: center; padding: 12px 15px; border: 
1px solid var(--border-color); border-radius: 6px; margin-bottom: 
8px; cursor: pointer; transition: 0.2s; background: #fff; } 
.file-item:hover { background: #f9f9f9; border-color: 
var(--neo-yellow); transform: translateY(-1px); } .file-icon { 
font-size: 20px; color: #666; } .file-info h4 { font-size: 16px; 
font-weight: 600; margin-bottom: 4px; } .file-info p { font-size: 
13px; color: #666; white-space: nowrap; overflow: hidden; 
text-overflow: ellipsis; } .file-size, .file-date { font-size: 
13px; color: #666; text-align: right; } .pagination { display: 
flex; justify-content: center; gap: 5px; margin: 30px 0; } 
.page-btn { padding: 8px 12px; border: 1px solid 
var(--border-color); background: #fff; cursor: pointer; 
border-radius: 4px; } .page-btn.active { background: 
var(--neo-yellow); font-weight: bold; border-color: #e6c200; } 
.upload-section { border: 2px dashed var(--border-color); 
border-radius: 12px; padding: 30px; text-align: center; 
margin-top: 40px; background: #fff; } .upload-section:hover { 
border-color: var(--neo-yellow); background: #fffdf5; } 
.form-group { margin-bottom: 15px; text-align: left; } .form-label 
{ display: block; margin-bottom: 5px; font-weight: 600; color: 
#666; font-size: 14px; }
.form-input, .form-textarea { width: 100%; padding: 10px; border: 
1px solid var(--border-color); border-radius: 6px; font-size: 
14px; } .form-textarea { height: 80px; resize: vertical; } 
.file-drop-area { border: 1px solid var(--border-color); padding: 
20px; background: #fafafa; border-radius: 6px; position: relative; 
cursor: pointer; } .fake-btn { background: #333; color: #fff; 
padding: 8px 16px; border-radius: 4px; font-size: 13px; display: 
inline-block; } .upload-btn { background: var(--neo-yellow); 
color: #000; border: none; padding: 12px 30px; font-size: 16px; 
font-weight: 700; border-radius: 6px; cursor: pointer; margin-top: 
20px; width: 100%; max-width: 300px; } .upload-btn:hover { 
background: #e6c200; } .hidden-input { position: absolute; width: 
100%; height: 100%; top: 0; left: 0; opacity: 0; cursor: pointer; 
}
.loading, .empty-state { text-align: center; padding: 20px; color: 
#999; }
@media (max-width: 600px) { .file-list-header { display: none; } 
    .file-item { grid-template-columns: 40px 1fr; gap: 10px; } 
    .file-size, .file-date { grid-column: 2; text-align: left; 
    font-size: 12px; }
}