body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f0f0f0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background-color: #ffffff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    padding: 10px 0;


    .header-content {
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
}

.logo {
    width: 200px;
    height: auto;

    img {
        width: 100%;
        height: auto;
    }
}

.system-name {
    font-size: 24px;
    font-weight: bold;
}

.user-icon {
    width: 40px;
    height: 40px;
    background-color: #ddd;
    border-radius: 50%;
}

.drop-area-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-direction: row;
    gap: 20px;

    .drop-area {
        background-color: #ffffff;
        border: 2px dashed #aaa;
        border-radius: 10px;
        padding: 80px 40px;
        text-align: center;
        margin-top: 20px;
        font-size: 18px;
        color: #666;
        transition: all 0.3s ease;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        min-height: 300px;
        width: 100%;

        &:hover, &.drag-over {
            background-color: #f8f8f8;
            border-color: #4CAF50;
        }

        i {
            font-size: 48px;
            margin-bottom: 20px;
            color: #4CAF50;
        }

        p.small {
            font-size: 0.8em;
        }

        &:not(.uploaded) {
            .if-uploaded {
                display: none;
            }
        }

        i.if-uploading {
            animation: spin 1s linear infinite;
        }

        &:not(.uploading) {
            .if-uploading {
                display: none;
            }
        }

        &:not(.not-uploaded) {
            .if-not-uploaded {
                display: none;
            }
        }
    }
}


@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.download-area {
    background-color: #ffffff;
    border-radius: 10px;
    padding: 15px;
    margin-top: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;

    #download-button {
        background-color: #4CAF50;
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        font-size: 16px;

        &:disabled {
            background-color: #ccc;
            cursor: not-allowed;
        }
    }
}

.btn-primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
    padding: 10px 20px;
    font-size: 16px;
    border-radius: 5px;
    text-decoration: none;
    transition: background-color 0.3s ease;

    &:hover {
        background-color: #0056b3;
        border-color: #0056b3;
    }
}

.status-filter-section {
    display: flex;
    gap: 40px;
    margin: 30px 0;
    padding: 20px;
    background-color: #ffffff;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);

    .filter-group {
        flex: 1;

        h3 {
            margin: 0 0 15px 0;
            font-size: 18px;
            color: #333;
        }

        .checkbox-group {
            display: flex;
            flex-direction: column;
            gap: 10px;

            label {
                display: flex;
                align-items: center;
                cursor: pointer;
                font-size: 14px;
                color: #555;
                transition: color 0.2s;

                &:hover {
                    color: #333;
                }

                input[type="checkbox"] {
                    margin-right: 8px;
                    width: 18px;
                    height: 18px;
                    cursor: pointer;
                }
            }
        }
    }
}