body {
    background: #f7f7f7;
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
}
.container {
    max-width: 500px;
    margin: 40px auto;
    background: #fff;
    padding: 32px 24px;
    border-radius: 12px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.07);
}
h1 {
    text-align: center;
    margin-bottom: 24px;
    color: #333;
}
.upload-area {
    border: 2px dashed #bbb;
    border-radius: 8px;
    padding: 32px;
    text-align: center;
    margin-bottom: 24px;
    background: #fafafa;
    cursor: pointer;
    transition: border-color 0.2s;
}
.upload-area.dragover {
    border-color: #0078d4;
}
label, fieldset {
    display: block;
    margin-bottom: 8px;
    color: #444;
}
input[type="text"] {
    width: 100%;
    padding: 8px;
    margin-top: 2px;
    margin-bottom: 2px;
    border-radius: 4px;
    border: 1px solid #ccc;
    box-sizing: border-box;
}
input[type="checkbox"] {
    margin-right: 8px;
}
button, .add-dep {
    background: #0078d4;
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.2s;
}
button:hover, .add-dep:hover {
    background: #005fa3;
}
.hidden {
    display: none;
}
.dep-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}
fieldset {
    border: none;
    padding: 0;
    margin-bottom: 16px;
}
#download-btn {
    width: 100%;
    margin-top: 24px;
}
#file-preview {
    background: #f3f3f9;
    border: 1px solid #ddd;
    border-radius: 8px;
    margin-bottom: 24px;
    padding: 16px;
    max-height: 220px;
    overflow: auto;
}
#file-preview-header {
    font-weight: bold;
    margin-bottom: 8px;
    color: #0078d4;
}
.remove-dep {
    background: #e74c3c;
    color: #fff;
    border: none;
    padding: 0 12px;
    border-radius: 6px;
    cursor: pointer;
    margin-left: 4px;
    margin-top: 0;
    height: 32px;
}
.remove-dep:hover {
    background: #c0392b;
}
.add-dep-list {
    display: block;
    margin: 8px 0 0 0;
    background: #0078d4;
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    cursor: pointer;
    width: 40px;
}
.add-dep-list:hover {
    background: #005fa3;
}
.required-highlight {
    border: 2px solid #e74c3c !important;
    background: #fff0f0;
}