.settings-section {
    background: white;
    padding: 30px;
    margin: 20px 30px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.settings-section h2 {
    margin-bottom: 15px;
    color: #333;
    border-bottom: 2px solid #667eea;
    padding-bottom: 10px;
}

.description {
    color: #666;
    margin-bottom: 20px;
}

.column-settings {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.column-list h3 {
    margin-bottom: 15px;
    color: #555;
}

.columns-container {
    max-height: 400px;
    overflow-y: auto;
    border: 1px solid #e0e0e0;
    border-radius: 5px;
    padding: 15px;
    background: #fafafa;
}

.column-item {
    display: flex;
    align-items: center;
    padding: 10px;
    margin-bottom: 8px;
    background: white;
    border-radius: 5px;
    border: 1px solid #e0e0e0;
    transition: all 0.2s;
}

.column-item:hover {
    background: #f0f0f0;
    border-color: #667eea;
}

.column-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
    margin-right: 10px;
    cursor: pointer;
}

.column-item label {
    flex: 1;
    cursor: pointer;
    font-size: 14px;
    color: #333;
}

.column-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
}

.default-settings {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.setting-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f9f9f9;
    border-radius: 5px;
}

.setting-item label {
    flex: 1;
    font-weight: 500;
    color: #555;
}

.setting-select {
    padding: 8px 15px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 14px;
    min-width: 150px;
}

.settings-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    padding: 20px 30px;
}

/* FTP設定のスタイル */
.ftp-settings {
    display: flex;
    flex-direction: column;
    gap: 15px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 6px;
}

.ftp-settings .form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.ftp-settings .form-group label {
    font-weight: 500;
    color: #333;
    margin-bottom: 5px;
}

.ftp-settings .form-group input {
    padding: 8px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    max-width: 500px;
}

.ftp-settings .form-group small {
    font-size: 12px;
    color: #666;
    margin-top: 3px;
}

/* スクロールバーのスタイル */
.columns-container::-webkit-scrollbar {
    width: 8px;
}

.columns-container::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 4px;
}

.columns-container::-webkit-scrollbar-thumb {
    background: #667eea;
    border-radius: 4px;
}

.columns-container::-webkit-scrollbar-thumb:hover {
    background: #5568d3;
}

.sortable-list .column-item {
    cursor: move;
    user-select: none;
}

.sortable-list .column-item.dragging {
    opacity: 0.5;
    background: #e3f2fd;
}

.sortable-list .column-item::before {
    content: "☰";
    margin-right: 10px;
    color: #999;
    font-size: 18px;
}

/* トースト通知のスタイル */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    min-width: 300px;
    max-width: 500px;
    padding: 16px 24px;
    background: #333;
    color: white;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    font-size: 14px;
    font-weight: 500;
    z-index: 10000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease-in-out;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.toast.success {
    background: #4caf50;
    color: white;
}

.toast.error {
    background: #f44336;
    color: white;
}

.toast.warning {
    background: #ff9800;
    color: white;
}

.toast.info {
    background: #2196f3;
    color: white;
}